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circle software engineer interview: Modern Software Engineering David Farley, 2021-11-16 Improve Your Creativity, Effectiveness, and Ultimately, Your Code In Modern Software Engineering, continuous delivery pioneer David Farley helps software professionals think about their work more effectively, manage it more successfully, and genuinely improve the quality of their applications, their lives, and the lives of their colleagues. Writing for programmers, managers, and technical leads at all levels of experience, Farley illuminates durable principles at the heart of effective software development. He distills the discipline into two core exercises: learning and exploration and managing complexity. For each, he defines principles that can help you improve everything from your mindset to the quality of your code, and describes approaches proven to promote success. Farley's ideas and techniques cohere into a unified, scientific, and foundational approach to solving practical software development problems within realistic economic constraints. This general, durable, and pervasive approach to software engineering can help you solve problems you haven't encountered yet, using today's technologies and tomorrow's. It offers you deeper insight into what you do every day, helping you create better software, faster, with more pleasure and personal fulfillment. Clarify what you're trying to accomplish Choose your tools based on sensible criteria Organize work and systems to facilitate continuing incremental progress Evaluate your progress toward thriving systems, not just more legacy code Gain more value from experimentation and empiricism Stay in control as systems grow more complex Achieve rigor without too much rigidity Learn from history and experience Distinguish good new software development ideas from bad ones Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details. |
circle software engineer interview: Cracking the Coding Interview Gayle Laakmann McDowell, 2011 Now in the 5th edition, Cracking the Coding Interview gives you the interview preparation you need to get the top software developer jobs. This book provides: 150 Programming Interview Questions and Solutions: From binary trees to binary search, this list of 150 questions includes the most common and most useful questions in data structures, algorithms, and knowledge based questions. 5 Algorithm Approaches: Stop being blind-sided by tough algorithm questions, and learn these five approaches to tackle the trickiest problems. Behind the Scenes of the interview processes at Google, Amazon, Microsoft, Facebook, Yahoo, and Apple: Learn what really goes on during your interview day and how decisions get made. Ten Mistakes Candidates Make -- And How to Avoid Them: Don't lose your dream job by making these common mistakes. Learn what many candidates do wrong, and how to avoid these issues. Steps to Prepare for Behavioral and Technical Questions: Stop meandering through an endless set of questions, while missing some of the most important preparation techniques. Follow these steps to more thoroughly prepare in less time. |
circle software engineer interview: Smart and Gets Things Done Avram Joel Spolsky, 2007-10-17 A good programmer can outproduce five, ten, and sometimes more run-of-the-mill programmers. The secret to success for any software company then is to hire the good programmers. But how to do that? In Joel on Hiring, Joel Spolsky draws from his experience both at Microsoft and running his own successful software company based in New York City. He writes humorously, but seriously about his methods for sorting resumes, for finding great candidates, and for interviewing, in person and by phone. Joel’s methods are not complex, but they do get to the heart of the matter: how to recognize a great developer when you see one. |
circle software engineer interview: Elements of Programming Interviews Adnan Aziz, Tsung-Hsien Lee, Amit Prakash, 2012 The core of EPI is a collection of over 300 problems with detailed solutions, including 100 figures, 250 tested programs, and 150 variants. The problems are representative of questions asked at the leading software companies. The book begins with a summary of the nontechnical aspects of interviewing, such as common mistakes, strategies for a great interview, perspectives from the other side of the table, tips on negotiating the best offer, and a guide to the best ways to use EPI. The technical core of EPI is a sequence of chapters on basic and advanced data structures, searching, sorting, broad algorithmic principles, concurrency, and system design. Each chapter consists of a brief review, followed by a broad and thought-provoking series of problems. We include a summary of data structure, algorithm, and problem solving patterns. |
circle software engineer interview: The Complete Software Developer's Career Guide John Z. Sonmez, 2017 Early in his software developer career, John Sonmez discovered that technical knowledge alone isn't enough to break through to the next income level - developers need soft skills like the ability to learn new technologies just in time, communicate clearly with management and consulting clients, negotiate a fair hourly rate, and unite teammates and coworkers in working toward a common goal. Today John helps more than 1.4 million programmers every year to increase their income by developing this unique blend of skills. Who Should Read This Book? Entry-Level Developers - This book will show you how to ensure you have the technical skills your future boss is looking for, create a resume that leaps off a hiring manager's desk, and escape the no work experience trap. Mid-Career Developers - You'll see how to find and fill in gaps in your technical knowledge, position yourself as the one team member your boss can't live without, and turn those dreaded annual reviews into chance to make an iron-clad case for your salary bump. Senior Developers - This book will show you how to become a specialist who can command above-market wages, how building a name for yourself can make opportunities come to you, and how to decide whether consulting or entrepreneurship are paths you should pursue. Brand New Developers - In this book you'll discover what it's like to be a professional software developer, how to go from I know some code to possessing the skills to work on a development team, how to speed along your learning by avoiding common beginner traps, and how to decide whether you should invest in a programming degree or 'bootcamp.'-- |
circle software engineer interview: Ace the Software Engineering Interview Ryan Ylitalo, 2015-12-10 Having Trouble with the Technical Interview? Are you contemplating a job change? Are you ready to begin the interview process? Is this your first interview experience? Perhaps you have been through this process multiple times. Do you find the programming interview process intimidating and overwhelming? Don't let fear and apprehension keep you from performing at your best during your next coding interview. A Technical Interview Preparation Framework During my years in the software engineering industry, I've been on both sides of the technical interview table numerous times. I have interviewed hundreds of Java developers and software engineers. I've played key roles in improving the software engineer hiring and recruiting processes at some large organizations. I've conducted the coding or programming interview, the generic technical interview, the core Java interview, the case interview, and the problem-solving interview. During this process, I've discovered that not all programming interviews are created equal. There are numerous coding and non-coding questions that can be used to help indicate the quality of a particular software engineering candidate. Leveraging those experiences, I will outline a framework that will help you understand the ideal time to change jobs, provide guidance on which organizations to seek out or avoid, and then guide you through the preparation and interview process in a way that will help you best represent yourself when it is time to showcase your talents and skills. Preparation is the key to a successful coding interview. This book will help set the expectations on what things an interviewer looks for in a technical candidate. Interview Questions and Answers There are a number of questions that you should have answered prior to your next interview. You need to understand what motivations are driving your job search. You should know what kinds of questions an interviewer is likely to ask you, and what level of importance is applied to your answers to various questions and question types. While a Java developer would expect to see core Java questions, and a .Net developer would expect to see core .Net questions, there are a host of other topic areas that are important to the interviewer. You will find the following included in this book. Questions you should ask yourself when thinking about a job switch. Questions to ask your interviewer to help determine the organizational health of your potential employer. Characteristics of a great software engineer. Essential software engineer skills and competencies, both coding and non-coding related. The types of interview questions you may encounter. Checklist to help you prepare for your next interview. Interview questions you may be asked, and what the interviewer is looking for in your answers. Questions you should ask your interviewer, and the answers you should be looking for. |
circle software engineer interview: Who Geoff Smart, Randy Street, 2008-09-30 In this instant New York Times Bestseller, Geoff Smart and Randy Street provide a simple, practical, and effective solution to what The Economist calls “the single biggest problem in business today”: unsuccessful hiring. The average hiring mistake costs a company $1.5 million or more a year and countless wasted hours. This statistic becomes even more startling when you consider that the typical hiring success rate of managers is only 50 percent. The silver lining is that “who” problems are easily preventable. Based on more than 1,300 hours of interviews with more than 20 billionaires and 300 CEOs, Who presents Smart and Street’s A Method for Hiring. Refined through the largest research study of its kind ever undertaken, the A Method stresses fundamental elements that anyone can implement–and it has a 90 percent success rate. Whether you’re a member of a board of directors looking for a new CEO, the owner of a small business searching for the right people to make your company grow, or a parent in need of a new babysitter, it’s all about Who. Inside you’ll learn how to • avoid common “voodoo hiring” methods • define the outcomes you seek • generate a flow of A Players to your team–by implementing the #1 tactic used by successful businesspeople • ask the right interview questions to dramatically improve your ability to quickly distinguish an A Player from a B or C candidate • attract the person you want to hire, by emphasizing the points the candidate cares about most In business, you are who you hire. In Who, Geoff Smart and Randy Street offer simple, easy-to-follow steps that will put the right people in place for optimal success. |
circle software engineer interview: Programming Interviews Exposed John Mongan, Noah Suojanen Kindler, Eric Giguère, 2011-08-10 The pressure is on during the interview process but with the right preparation, you can walk away with your dream job. This classic book uncovers what interviews are really like at America's top software and computer companies and provides you with the tools to succeed in any situation. The authors take you step-by-step through new problems and complex brainteasers they were asked during recent technical interviews. 50 interview scenarios are presented along with in-depth analysis of the possible solutions. The problem-solving process is clearly illustrated so you'll be able to easily apply what you've learned during crunch time. You'll also find expert tips on what questions to ask, how to approach a problem, and how to recover if you become stuck. All of this will help you ace the interview and get the job you want. What you will learn from this book Tips for effectively completing the job application Ways to prepare for the entire programming interview process How to find the kind of programming job that fits you best Strategies for choosing a solution and what your approach says about you How to improve your interviewing skills so that you can respond to any question or situation Techniques for solving knowledge-based problems, logic puzzles, and programming problems Who this book is for This book is for programmers and developers applying for jobs in the software industry or in IT departments of major corporations. Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved. |
circle software engineer interview: An Elegant Puzzle Will Larson, 2019-05-20 A human-centric guide to solving complex problems in engineering management, from sizing teams to handling technical debt. There’s a saying that people don’t leave companies, they leave managers. Management is a key part of any organization, yet the discipline is often self-taught and unstructured. Getting to the good solutions for complex management challenges can make the difference between fulfillment and frustration for teams—and, ultimately, between the success and failure of companies. Will Larson’s An Elegant Puzzle focuses on the particular challenges of engineering management—from sizing teams to handling technical debt to performing succession planning—and provides a path to the good solutions. Drawing from his experience at Digg, Uber, and Stripe, Larson has developed a thoughtful approach to engineering management for leaders of all levels at companies of all sizes. An Elegant Puzzle balances structured principles and human-centric thinking to help any leader create more effective and rewarding organizations for engineers to thrive in. |
circle software engineer interview: The Circle Dave Eggers, 2013-10-08 INTERNATIONAL BESTSELLER • A bestselling dystopian novel that tackles surveillance, privacy and the frightening intrusions of technology in our lives—a “compulsively readable parable for the 21st century” (Vanity Fair). When Mae Holland is hired to work for the Circle, the world’s most powerful internet company, she feels she’s been given the opportunity of a lifetime. The Circle, run out of a sprawling California campus, links users’ personal emails, social media, banking, and purchasing with their universal operating system, resulting in one online identity and a new age of civility and transparency. As Mae tours the open-plan office spaces, the towering glass dining facilities, the cozy dorms for those who spend nights at work, she is thrilled with the company’s modernity and activity. There are parties that last through the night, there are famous musicians playing on the lawn, there are athletic activities and clubs and brunches, and even an aquarium of rare fish retrieved from the Marianas Trench by the CEO. Mae can’t believe her luck, her great fortune to work for the most influential company in the world—even as life beyond the campus grows distant, even as a strange encounter with a colleague leaves her shaken, even as her role at the Circle becomes increasingly public. What begins as the captivating story of one woman’s ambition and idealism soon becomes a heart-racing novel of suspense, raising questions about memory, history, privacy, democracy, and the limits of human knowledge. |
circle software engineer interview: Ace the Programming Interview Edward Guiness, 2013-06-24 Be prepared to answer the most relevant interview questions and land the job Programmers are in demand, but to land the job, you must demonstrate knowledge of those things expected by today's employers. This guide sets you up for success. Not only does it provide 160 of the most commonly asked interview questions and model answers, but it also offers insight into the context and motivation of hiring managers in today's marketplace. Written by a veteran hiring manager, this book is a comprehensive guide for experienced and first-time programmers alike. Provides insight into what drives the recruitment process and how hiring managers think Covers both practical knowledge and recommendations for handling the interview process Features 160 actual interview questions, including some related to code samples that are available for download on a companion website Includes information on landing an interview, preparing a cheat-sheet for a phone interview, how to demonstrate your programming wisdom, and more Ace the Programming Interview, like the earlier Wiley bestseller Programming Interviews Exposed, helps you approach the job interview with the confidence that comes from being prepared. |
circle software engineer interview: Developer Hegemony Erik Dietrich, It’s been said that software is eating the planet. The modern economy—the world itself—relies on technology. Demand for the people who can produce it far outweighs the supply. So why do developers occupy largely subordinate roles in the corporate structure? Developer Hegemony explores the past, present, and future of the corporation and what it means for developers. While it outlines problems with the modern corporate structure, it’s ultimately a play-by-play of how to leave the corporate carnival and control your own destiny. And it’s an emboldening, specific vision of what software development looks like in the world of developer hegemony—one where developers band together into partner firms of “efficiencers,” finally able to command the pay, respect, and freedom that’s earned by solving problems no one else can. Developers, if you grow tired of being treated like geeks who can only be trusted to take orders and churn out code, consider this your call to arms. Bring about the autonomous future that’s rightfully yours. It’s time for developer hegemony. |
circle software engineer interview: Optimized C++ Kurt Guntheroth, 2016-04-27 In today’s fast and competitive world, a program’s performance is just as important to customers as the features it provides. This practical guide teaches developers performance-tuning principles that enable optimization in C++. You’ll learn how to make code that already embodies best practices of C++ design run faster and consume fewer resources on any computer—whether it’s a watch, phone, workstation, supercomputer, or globe-spanning network of servers. Author Kurt Guntheroth provides several running examples that demonstrate how to apply these principles incrementally to improve existing code so it meets customer requirements for responsiveness and throughput. The advice in this book will prove itself the first time you hear a colleague exclaim, “Wow, that was fast. Who fixed something?” Locate performance hot spots using the profiler and software timers Learn to perform repeatable experiments to measure performance of code changes Optimize use of dynamically allocated variables Improve performance of hot loops and functions Speed up string handling functions Recognize efficient algorithms and optimization patterns Learn the strengths—and weaknesses—of C++ container classes View searching and sorting through an optimizer’s eye Make efficient use of C++ streaming I/O functions Use C++ thread-based concurrency features effectively |
circle software engineer interview: Trading Systems Developer Interview Guide (C++ Edition) Jeff Vogels, This book will help you with interview preparation for landing high-paying software engineering jobs in the financial markets industry – Hedge Funds, Banks, Algo Trading firms, HFT firms, Exchanges, etc. This book contains 120+ questions with solutions/answers fully explained. Covers all topics in breadth and depth. Questions that are comparable difficulty level to those asked at top financial firms. Resources are provided to help you fill your gaps. Who this book is for: 1)This book is written to help software developers who want to get into the financial markets/trading industry as trading systems developers operating in algorithmic trading, high-frequency trading, market-making, electronic trading, brokerages, exchanges, hedge funds, investment banks, and proprietary trading firms. You can work across firms involved in various asset classes such as equities, derivatives, FX, bonds, commodities, and cryptocurrencies, among others. 2)This book serves the best for programmers who already know C++ or who are willing to learn C++. Due to the level of performance expected from these systems, most trading systems are developed in C++. 3) This book can help you improve upon the skills necessary to get into prestigious, high paying tech jobs at financial firms. Resources are provided. Practice questions and answers help you to understand the level and type of questions expected in the interview. What does this book contain: 1)Overview of the financial markets trading industry – types of firms, types of jobs, work environment and culture, compensation, methods to get job interviews, etc. 2)For every chapter, a guideline of what kind of topics are asked in the interviews is mentioned. 3)For every chapter, many questions with full solutions/answers are provided. These are of similar difficulty as those in real interviews, with sufficient breadth and depth. 4)Topics covered – C++, Multithreading, Inter-Process Communication, Network Programming, Lock-free programming, Low Latency Programming and Techniques, Systems Design, Design Patterns, Coding Questions, Math Puzzles, Domain-Specific Tools, Domain Knowledge, and Behavioral Interview. 5)Resources – a list of books for in-depth knowledge. 6) FAQ section related to the career of software engineers in tech/quant financial firms. Upsides of working as Trading Systems Developer at top financial firms: 1)Opportunity to work on cutting-edge technologies. 2)Opportunity to work with quants, traders, and financial engineers to expand your qualitative and quantitative understanding of the financial markets. 3)Opportunity to work with other smart engineers, as these firms tend to hire engineers with a strong engineering caliber. 4)Top compensation with a big base salary and bonus, comparable to those of FAANG companies. 5)Opportunity to move into quant and trader roles for the interested and motivated. This book will be your guideline, seriously cut down your interview preparation time, and give you a huge advantage in landing jobs at top tech/quant firms in finance. |
circle software engineer interview: Become an Effective Software Engineering Manager James Stanier, 2020-06-09 Software startups make global headlines every day. As technology companies succeed and grow, so do their engineering departments. In your career, you'll may suddenly get the opportunity to lead teams: to become a manager. But this is often uncharted territory. How can you decide whether this career move is right for you? And if you do, what do you need to learn to succeed? Where do you start? How do you know that you're doing it right? What does it even mean? And isn't management a dirty word? This book will share the secrets you need to know to manage engineers successfully. Going from engineer to manager doesn't have to be intimidating. Engineers can be managers, and fantastic ones at that. Cast aside the rhetoric and focus on practical, hands-on techniques and tools. You'll become an effective and supportive team leader that your staff will look up to. Start with your transition to being a manager and see how that compares to being an engineer. Learn how to better organize information, feel productive, and delegate, but not micromanage. Discover how to manage your own boss, hire and fire, do performance and salary reviews, and build a great team. You'll also learn the psychology: how to ship while keeping staff happy, coach and mentor, deal with deadline pressure, handle sensitive information, and navigate workplace politics. Consider your whole department. How can you work with other teams to ensure best practice? How do you help form guilds and committees and communicate effectively? How can you create career tracks for individual contributors and managers? How can you support flexible and remote working? How can you improve diversity in the industry through your own actions? This book will show you how. Great managers can make the world a better place. Join us. |
circle software engineer interview: Mulrox and the Malcognitos Kerelyn Smith, 2020-03-29 A wildly fun adventure about friendship, imagination, and embracing your imperfections. When an ogre poet’s bad ideas come to life, he must go on a quest to save them before his world descends into chaos. For ages 8-12, fans of The Phantom Tollbooth, Charlie and the Chocolate Factory, and The Wonderful Wizard of Oz will delight in this wacky and insightful children’s fantasy novel. A bad idea is nothing to worry about… until it knocks on your door. Mulrox the ogre harbors a secret desire to become the world's greatest poet. Unfortunately, all of his ideas are rotten. But when his terrible ideas come to life, Mulrox soon finds himself on a quest to protect the very ideas he loathes, the malcognitos as they call themselves. Accompanied by his sassy pet toad, quirky neighbor, and a hoard of mischievous bad ideas, Mulrox must travel to the malcognitos' realm, uncover the mystery of the beast hunting them, and return home in time to deliver the best poem of his life. If you like prophetic rodents, spellbinding sneezes, and ferocious sheep, you'll love this book. Join Mulrox and his friends for a wild ride full of antics, strange new creatures, and lots of bad poetry. |
circle software engineer interview: Software Engineering at Google Titus Winters, Tom Manshreck, Hyrum Wright, 2020-02-28 Today, software engineers need to know not only how to program effectively but also how to develop proper engineering practices to make their codebase sustainable and healthy. This book emphasizes this difference between programming and software engineering. How can software engineers manage a living codebase that evolves and responds to changing requirements and demands over the length of its life? Based on their experience at Google, software engineers Titus Winters and Hyrum Wright, along with technical writer Tom Manshreck, present a candid and insightful look at how some of the worldâ??s leading practitioners construct and maintain software. This book covers Googleâ??s unique engineering culture, processes, and tools and how these aspects contribute to the effectiveness of an engineering organization. Youâ??ll explore three fundamental principles that software organizations should keep in mind when designing, architecting, writing, and maintaining code: How time affects the sustainability of software and how to make your code resilient over time How scale affects the viability of software practices within an engineering organization What trade-offs a typical engineer needs to make when evaluating design and development decisions |
circle software engineer interview: Pragmatic Thinking and Learning Andy Hunt, 2008-10-28 Printed in full color. Software development happens in your head. Not in an editor, IDE, or designtool. You're well educated on how to work with software and hardware, but what about wetware--our own brains? Learning new skills and new technology is critical to your career, and it's all in your head. In this book by Andy Hunt, you'll learn how our brains are wired, and how to take advantage of your brain's architecture. You'll learn new tricks and tipsto learn more, faster, and retain more of what you learn. You need a pragmatic approach to thinking and learning. You need to Refactor Your Wetware. Programmers have to learn constantly; not just the stereotypical new technologies, but also the problem domain of the application, the whims of the user community, the quirks of your teammates, the shifting sands of the industry, and the evolving characteristics of the project itself as it is built. We'll journey together through bits of cognitive and neuroscience, learning and behavioral theory. You'll see some surprising aspects of how our brains work, and how you can take advantage of the system to improve your own learning and thinking skills. In this book you'll learn how to: Use the Dreyfus Model of Skill Acquisition to become more expert Leverage the architecture of the brain to strengthen different thinking modes Avoid common known bugs in your mind Learn more deliberately and more effectively Manage knowledge more efficiently |
circle software engineer interview: Ask a Manager Alison Green, 2018-05-01 From the creator of the popular website Ask a Manager and New York’s work-advice columnist comes a witty, practical guide to 200 difficult professional conversations—featuring all-new advice! There’s a reason Alison Green has been called “the Dear Abby of the work world.” Ten years as a workplace-advice columnist have taught her that people avoid awkward conversations in the office because they simply don’t know what to say. Thankfully, Green does—and in this incredibly helpful book, she tackles the tough discussions you may need to have during your career. You’ll learn what to say when • coworkers push their work on you—then take credit for it • you accidentally trash-talk someone in an email then hit “reply all” • you’re being micromanaged—or not being managed at all • you catch a colleague in a lie • your boss seems unhappy with your work • your cubemate’s loud speakerphone is making you homicidal • you got drunk at the holiday party Praise for Ask a Manager “A must-read for anyone who works . . . [Alison Green’s] advice boils down to the idea that you should be professional (even when others are not) and that communicating in a straightforward manner with candor and kindness will get you far, no matter where you work.”—Booklist (starred review) “The author’s friendly, warm, no-nonsense writing is a pleasure to read, and her advice can be widely applied to relationships in all areas of readers’ lives. Ideal for anyone new to the job market or new to management, or anyone hoping to improve their work experience.”—Library Journal (starred review) “I am a huge fan of Alison Green’s Ask a Manager column. This book is even better. It teaches us how to deal with many of the most vexing big and little problems in our workplaces—and to do so with grace, confidence, and a sense of humor.”—Robert Sutton, Stanford professor and author of The No Asshole Rule and The Asshole Survival Guide “Ask a Manager is the ultimate playbook for navigating the traditional workforce in a diplomatic but firm way.”—Erin Lowry, author of Broke Millennial: Stop Scraping By and Get Your Financial Life Together |
circle software engineer interview: Cracking the Tech Career Gayle Laakmann McDowell, 2014-09-15 Become the applicant Google can't turn down Cracking the Tech Career is the job seeker's guide to landing a coveted position at one of the top tech firms. A follow-up to The Google Resume, this book provides new information on what these companies want, and how to show them you have what it takes to succeed in the role. Early planners will learn what to study, and established professionals will discover how to make their skillset and experience set them apart from the crowd. Author Gayle Laakmann McDowell worked in engineering at Google, and interviewed over 120 candidates as a member of the hiring committee – in this book, she shares her perspectives on what works and what doesn't, what makes you desirable, and what gets your resume saved or deleted. Apple, Microsoft, and Google are the coveted companies in the current job market. They field hundreds of resumes every day, and have their pick of the cream of the crop when it comes to selecting new hires. If you think the right alma mater is all it takes, you need to update your thinking. Top companies, especially in the tech sector, are looking for more. This book is the complete guide to becoming the candidate they just cannot turn away. Discover the career paths that run through the top tech firms Learn how to craft the prefect resume and prepare for the interview Find ways to make yourself stand out from the hordes of other applicants Understand what the top companies are looking for, and how to demonstrate that you're it These companies need certain skillsets, but they also want a great culture fit. Grades aren't everything, experience matters, and a certain type of applicant tends to succeed. Cracking the Tech Career reveals what the hiring committee wants, and shows you how to get it. |
circle software engineer interview: The Rock from the Sky Jon Klassen, 2021-04-13 Look up! From the Caldecott Medal–winning creator of the hat trilogy comes a new deadpan gem. There is a spot. It is a good spot. It is the perfect spot to stand. There is no reason to ever leave. But somewhere above there is also a rock. A rock from the sky. Here comes The Rock from the Sky, a hilarious meditation on the workings of friendship, fate, shared futuristic visions, and that funny feeling you get that there’s something off somewhere, but you just can’t put your finger on it. Merging broad visual suspense with wry wit, celebrated picture book creator Jon Klassen gives us a wholly original comedy for the ages. |
circle software engineer interview: Designing Data-Intensive Applications Martin Kleppmann, 2017-03-16 Data is at the center of many challenges in system design today. Difficult issues need to be figured out, such as scalability, consistency, reliability, efficiency, and maintainability. In addition, we have an overwhelming variety of tools, including relational databases, NoSQL datastores, stream or batch processors, and message brokers. What are the right choices for your application? How do you make sense of all these buzzwords? In this practical and comprehensive guide, author Martin Kleppmann helps you navigate this diverse landscape by examining the pros and cons of various technologies for processing and storing data. Software keeps changing, but the fundamental principles remain the same. With this book, software engineers and architects will learn how to apply those ideas in practice, and how to make full use of data in modern applications. Peer under the hood of the systems you already use, and learn how to use and operate them more effectively Make informed decisions by identifying the strengths and weaknesses of different tools Navigate the trade-offs around consistency, scalability, fault tolerance, and complexity Understand the distributed systems research upon which modern databases are built Peek behind the scenes of major online services, and learn from their architectures |
circle software engineer interview: Drive Daniel H. Pink, 2011-04-05 The New York Times bestseller that gives readers a paradigm-shattering new way to think about motivation from the author of When: The Scientific Secrets of Perfect Timing Most people believe that the best way to motivate is with rewards like money—the carrot-and-stick approach. That's a mistake, says Daniel H. Pink (author of To Sell Is Human: The Surprising Truth About Motivating Others). In this provocative and persuasive new book, he asserts that the secret to high performance and satisfaction-at work, at school, and at home—is the deeply human need to direct our own lives, to learn and create new things, and to do better by ourselves and our world. Drawing on four decades of scientific research on human motivation, Pink exposes the mismatch between what science knows and what business does—and how that affects every aspect of life. He examines the three elements of true motivation—autonomy, mastery, and purpose-and offers smart and surprising techniques for putting these into action in a unique book that will change how we think and transform how we live. |
circle software engineer interview: Programming Pearls Jon Bentley, 2016-04-21 When programmers list their favorite books, Jon Bentley’s collection of programming pearls is commonly included among the classics. Just as natural pearls grow from grains of sand that irritate oysters, programming pearls have grown from real problems that have irritated real programmers. With origins beyond solid engineering, in the realm of insight and creativity, Bentley’s pearls offer unique and clever solutions to those nagging problems. Illustrated by programs designed as much for fun as for instruction, the book is filled with lucid and witty descriptions of practical programming techniques and fundamental design principles. It is not at all surprising that Programming Pearls has been so highly valued by programmers at every level of experience. In this revision, the first in 14 years, Bentley has substantially updated his essays to reflect current programming methods and environments. In addition, there are three new essays on testing, debugging, and timing set representations string problems All the original programs have been rewritten, and an equal amount of new code has been generated. Implementations of all the programs, in C or C++, are now available on the Web. What remains the same in this new edition is Bentley’s focus on the hard core of programming problems and his delivery of workable solutions to those problems. Whether you are new to Bentley’s classic or are revisiting his work for some fresh insight, the book is sure to make your own list of favorites. |
circle software engineer interview: How Google Tests Software James A. Whittaker, Jason Arbon, Jeff Carollo, 2012-03-21 2012 Jolt Award finalist! Pioneering the Future of Software Test Do you need to get it right, too? Then, learn from Google. Legendary testing expert James Whittaker, until recently a Google testing leader, and two top Google experts reveal exactly how Google tests software, offering brand-new best practices you can use even if you’re not quite Google’s size...yet! Breakthrough Techniques You Can Actually Use Discover 100% practical, amazingly scalable techniques for analyzing risk and planning tests...thinking like real users...implementing exploratory, black box, white box, and acceptance testing...getting usable feedback...tracking issues...choosing and creating tools...testing “Docs & Mocks,” interfaces, classes, modules, libraries, binaries, services, and infrastructure...reviewing code and refactoring...using test hooks, presubmit scripts, queues, continuous builds, and more. With these techniques, you can transform testing from a bottleneck into an accelerator–and make your whole organization more productive! |
circle software engineer interview: The Holloway Guide to Technical Recruiting and Hiring Osman (Ozzie) Osman, 2022-01-10 Learn how the best teams hire software engineers and fill technical roles. The Holloway Guide to Technical Recruiting and Hiring is the authoritative guide to growing software engineering teams effectively, written by and for hiring managers, recruiters, interviewers, and candidates. Hiring is rated as one of the biggest obstacles to growth by most CEOs. Hiring managers, recruiters, and interviewers all wrestle with how to source candidates, interview fairly and effectively, and ultimately motivate the right candidates to accept offers. Yet the process is costly, frustrating, and often stressful or unfair to candidates. Anyone who cares about building effective software teams will return to this book again and again. Inside, you'll find know-how from some of the most insightful and experienced leaders and practitioners—senior engineers, recruiters, entrepreneurs, and hiring managers—who’ve built teams from early-stage startups to thousand-person engineering organizations. The lead author of this guide, Ozzie Osman, previously led product engineering at Quora and teams at Google, and built (and sold) his own startup. Additional contributors include Aditya Agarwal, former CTO of Dropbox; Jennifer Kim, former head of diversity at Lever; veteran recruiters and startup founders Jose Guardado (founder of Build Talent and former Y Combinator) and Aline Lerner (CEO of Interviewing.io); and over a dozen others. Recruiting and hiring can be done well, in a way that has a positive impact on companies, employees, and every candidate. With the right foundations and practice, teams and candidates can approach a stressful and difficult process with knowledge and confidence. Ask your employer if you can expense this book—it's one of the highest-leverage investments they can make in your team. |
circle software engineer interview: The Effective Engineer Edmond Lau, 2015-03-19 Introducing The Effective Engineer--the only book designed specifically for today's software engineers, based on extensive interviews with engineering leaders at top tech companies, and packed with hundreds of techniques to accelerate your career. |
circle software engineer interview: Cracking the Behavioral Interview Questions Nazanin Bakhshi, Pooya Amini, 2019-11-17 Over the past several years of interviewing candidates, we have come across a large number of talented engineers who have excellent technical competencies but also have considerable discomfort in explaining the details of a current project and how its design challenges were resolved. In this book, we have collected the behavioral questions most frequently presented in software engineering interviews. We provided strategies for addressing each question, followed by sample responses from engineers currently working in large tech companies. This collection has been validated with a number of hiring managers to ensure that the dialogues are aligned with their expectations. |
circle software engineer interview: The Software Engineering Manager Interview Guide Vidal Graupera, Interviewing can be challenging, time-consuming, stressful, frustrating, and full of disappointments. My goal is to help make things easier for you so you can get the engineering leadership job you want. The Software Engineering Manager Interview Guide is a comprehensive, no-nonsense book about landing an engineering leadership role at a top-tier tech company. You will learn how to master the different kinds of engineering management interview questions. If you only pick up one or two tips from this book, it could make the difference in getting the dream job you want. This guide contains a collection of 150+ real-life management and behavioral questions I was asked on phone screens and by panels during onsite interviews for engineering management positions at a variety of big-name and top-tier tech companies in the San Francisco Bay Area such as Google, Facebook, Amazon, Twitter, LinkedIn, Uber, Lyft, Airbnb, Pinterest, Salesforce, Intuit, Autodesk, et al. In this book, I discuss my experiences and reflections mainly from the candidate’s perspective. Your experience will vary. The random variables include who will be on your panel, what exactly they will ask, the level of training and mood of the interviewers, their preferences, and biases. While you cannot control any of those variables, you can control how prepared you are, and hopefully, this book will help you in that process. I will share with you everything I’ve learned while keeping this book short enough to read on a plane ride. I will share tips I picked up along the way. If you are interviewing this guide will serve you as a playbook to prepare, or if you are hiring give you ideas as to what you might ask an engineering management candidate yourself. CONTENTS: Introduction Chapter 1: Answering Behavioral Interview Questions Chapter 2: The Job Interviews Phone Screens Prep Call with the Recruiter Onsite Company Values Coding, Algorithms and Data structures System Design and Architecture Interviews Generic Design Of A Popular System A Design Specific To A Domain Design Of A System Your Team Worked On Lunch Interview Managerial and Leadership Bar Raiser Unique One-Off Interviews Chapter 3: Tips To Succeed How To Get The Interviews Scheduling and Timelines Interview Feedback Mock Interviews Panelists First Impressions Thank You Notes Ageism Chapter 4: Example Behavioral and Competency Questions General Questions Feedback and Performance Management Prioritization and Execution Strategy and Vision Hiring Talent and Building a Team Working With Tech Leads, Team Leads and Technology Dealing With Conflicts Diversity and Inclusion |
circle software engineer interview: High Growth Handbook Elad Gil, 2018-07-17 High Growth Handbook is the playbook for growing your startup into a global brand. Global technology executive, serial entrepreneur, and angel investor Elad Gil has worked with high-growth tech companies including Airbnb, Twitter, Google, Stripe, and Square as they’ve grown from small companies into global enterprises. Across all of these breakout companies, Gil has identified a set of common patterns and created an accessible playbook for scaling high-growth startups, which he has now codified in High Growth Handbook. In this definitive guide, Gil covers key topics, including: · The role of the CEO · Managing a board · Recruiting and overseeing an executive team · Mergers and acquisitions · Initial public offerings · Late-stage funding. Informed by interviews with some of the biggest names in Silicon Valley, including Reid Hoffman (LinkedIn), Marc Andreessen (Andreessen Horowitz), and Aaron Levie (Box), High Growth Handbook presents crystal-clear guidance for navigating the most complex challenges that confront leaders and operators in high-growth startups. |
circle software engineer interview: The IOS Interview Guide Alex Bush, 2017-05-31 |
circle software engineer interview: Decode and Conquer Lewis C. Lin, 2013-11-28 Land that Dream Product Manager Job...TODAYSeeking a product management position?Get Decode and Conquer, the world's first book on preparing you for the product management (PM) interview. Author and professional interview coach, Lewis C. Lin provides you with an industry insider's perspective on how to conquer the most difficult PM interview questions. Decode and Conquer reveals: Frameworks for tackling product design and metrics questions, including the CIRCLES Method(tm), AARM Method(tm), and DIGS Method(tm) Biggest mistakes PM candidates make at the interview and how to avoid them Insider tips on just what interviewers are looking for and how to answer so they can't say NO to hiring you Sample answers for the most important PM interview questions Questions and answers covered in the book include: Design a new iPad app for Google Spreadsheet. Brainstorm as many algorithms as possible for recommending Twitter followers. You're the CEO of the Yellow Cab taxi service. How do you respond to Uber? You're part of the Google Search web spam team. How would you detect duplicate websites? The billboard industry is under monetized. How can Google create a new product or offering to address this? Get the Book that's Recommended by Executives from Google, Amazon, Microsoft, Oracle & VMWare...TODAY |
circle software engineer interview: Data Structures and Algorithms in Python Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser, 2013-06-17 Based on the authors' market leading data structures books in Java and C++, this book offers a comprehensive, definitive introduction to data structures in Python by authoritative authors. Data Structures and Algorithms in Python is the first authoritative object-oriented book available for Python data structures. Designed to provide a comprehensive introduction to data structures and algorithms, including their design, analysis, and implementation, the text will maintain the same general structure as Data Structures and Algorithms in Java and Data Structures and Algorithms in C++. Begins by discussing Python's conceptually simple syntax, which allows for a greater focus on concepts. Employs a consistent object-oriented viewpoint throughout the text. Presents each data structure using ADTs and their respective implementations and introduces important design patterns as a means to organize those implementations into classes, methods, and objects. Provides a thorough discussion on the analysis and design of fundamental data structures. Includes many helpful Python code examples, with source code provided on the website. Uses illustrations to present data structures and algorithms, as well as their analysis, in a clear, visual manner. Provides hundreds of exercises that promote creativity, help readers learn how to think like programmers, and reinforce important concepts. Contains many Python-code and pseudo-code fragments, and hundreds of exercises, which are divided into roughly 40% reinforcement exercises, 40% creativity exercises, and 20% programming projects. |
circle software engineer interview: The Google Resume Gayle Laakmann McDowell, 2011-01-25 The Google Resume is the only book available on how to win a coveted spot at Google, Microsoft, Apple, or other top tech firms. Gayle Laakmann McDowell worked in Google Engineering for three years, where she served on the hiring committee and interviewed over 120 candidates. She interned for Microsoft and Apple, and interviewed with and received offers from ten tech firms. If you’re a student, you’ll learn what to study and how to prepare while in school, as well as what career paths to consider. If you’re a job seeker, you’ll get an edge on your competition by learning about hiring procedures and making yourself stand out from other candidates. Covers key concerns like what to major in, which extra-curriculars and other experiences look good, how to apply, how to design and tailor your resume, how to prepare for and excel in the interview, and much more Author was on Google’s hiring committee; interned at Microsoft and Apple; has received job offers from more than 10 tech firms; and runs CareerCup.com, a site devoted to tech jobs Get the only comprehensive guide to working at some of America’s most dynamic, innovative, and well-paying tech companies with The Google Resume. |
circle software engineer interview: Staff Engineer Will Larson, 2021-02-28 At most technology companies, you'll reach Senior Software Engineer, the career level for software engineers, in five to eight years. At that career level, you'll no longer be required to work towards the next pro? motion, and being promoted beyond it is exceptional rather than ex? pected. At that point your career path will branch, and you have to decide between remaining at your current level, continuing down the path of technical excellence to become a Staff Engineer, or switching into engineering management. Of course, the specific titles vary by company, and you can replace Senior Engineer and Staff Engineer with whatever titles your company prefers.Over the past few years we've seen a flurry of books unlocking the en? gineering management career path, like Camille Fournier's The Man? ager's Path, Julie Zhuo's The Making of a Manager, Lara Hogan's Re? silient Management and my own, An Elegant Puzzle. The manage? ment career isn't an easy one, but increasingly there are maps avail? able for navigating it.On the other hand, the transition into Staff Engineer, and its further evolutions like Principal and Distinguished Engineer, remains chal? lenging and undocumented. What are the skills you need to develop to reach Staff Engineer? Are technical abilities alone sufficient to reach and succeed in that role? How do most folks reach this role? What is your manager's role in helping you along the way? Will you enjoy being a Staff Engineer or you will toil for years to achieve a role that doesn't suit you?Staff Engineer: Leadership beyond the management track is a pragmatic look at attaining and operate in these Staff-plus roles. |
circle software engineer interview: The Product Manager Interview Lewis C. Lin, 2017-11-06 NOTE: This is the NEWER 3rd edition for the book formerly titled PM Interview Questions. -- 164 Actual PM Interview Questions From the creator of the CIRCLES Method(TM), The Product Manager Interview is a resource you don't want to miss. The world's expert in product management interviews, Lewis C. Lin, gives readers 164 practice questions to gain product management (PM) proficiency and master the PM interview including: Google Facebook Amazon Uber Dropbox Microsoft Fully Solved Solutions The book contains fully solved solutions so readers can learn, improve and do their best at the PM interview. Here are questions and sample answers you'll find in the book: Product Design How would you design an ATM for elderly people? Should Google build a Comcast-like TV cable service? Instagram currently supports 3 to 15 second videos. We're considering supporting videos of unlimited length. How would you modify the UX to accommodate this? Pricing How would you go about pricing UberX or any other new Uber product? Let's say Google created a teleporting device: which market segments would you go after? How would you price it? Metrics Imagine you are the Amazon Web Services (AWS) PM in Sydney. What are the top three metrics you'd look at? Facebook users have declined 20 percent week over week. Diagnose the problem. How would you fix the issue? Ideal Complement to Decode and Conquer Many of you have read the PM interview frameworks revealed in Decode and Conquer, including the CIRCLES(TM), AARM(TM) and DIGS(TM) Methods. The Product Manager Interview is the perfect complement to Decode and Conquer. With over 160 practice questions, you'll see what the best PM interview responses look and feel like. Brand New Third Edition Many of the sample answers have been re-written from scratch. The sample answers are now stronger and easier to follow. In total, thousands of changes have made in this brand new third edition of the book. Preferred by the World's Top Universities Here's what students and staff have to say about the Lewis C. Lin: DUKE UNIVERSITY I was so touched by your presentation this morning. It was really helpful. UNIVERSITY OF MICHIGAN I can say your class is the best that I have ever attended. I will definitely use knowledge I learned today for future interviews. COLUMBIA UNIVERSITY I'd like to let you know that your workshop today is super awesome! It's the best workshop I have been to since I came to Columbia Business School. Thank you very much for the tips, frameworks, and the very clear and well-structured instruction! UNIVERSITY OF TEXAS AT AUSTIN I wanted to reiterate how much I enjoyed your workshops today. Thank you so much for taking time out and teaching us about these much-needed principles and frameworks. I actually plan to print out a few slides and paste them on my walls! CARNEGIE MELLON UNIVERSITY I'm a very big admirer of your work. We, at Tepper, follow your books like the Bible. As a former associate product manager, I was able to connect your concepts back to my work experience back and Pragmatic Marketing training. I'm really looking forward to apply your teachings. |
circle software engineer interview: Grokking the System Design Interview Design Gurus, 2021-12-18 This book (also available online at www.designgurus.org) by Design Gurus has helped 60k+ readers to crack their system design interview (SDI). System design questions have become a standard part of the software engineering interview process. These interviews determine your ability to work with complex systems and the position and salary you will be offered by the interviewing company. Unfortunately, SDI is difficult for most engineers, partly because they lack experience developing large-scale systems and partly because SDIs are unstructured in nature. Even engineers who've some experience building such systems aren't comfortable with these interviews, mainly due to the open-ended nature of design problems that don't have a standard answer. This book is a comprehensive guide to master SDIs. It was created by hiring managers who have worked for Google, Facebook, Microsoft, and Amazon. The book contains a carefully chosen set of questions that have been repeatedly asked at top companies. What's inside? This book is divided into two parts. The first part includes a step-by-step guide on how to answer a system design question in an interview, followed by famous system design case studies. The second part of the book includes a glossary of system design concepts. Table of Contents First Part: System Design Interviews: A step-by-step guide. Designing a URL Shortening service like TinyURL. Designing Pastebin. Designing Instagram. Designing Dropbox. Designing Facebook Messenger. Designing Twitter. Designing YouTube or Netflix. Designing Typeahead Suggestion. Designing an API Rate Limiter. Designing Twitter Search. Designing a Web Crawler. Designing Facebook's Newsfeed. Designing Yelp or Nearby Friends. Designing Uber backend. Designing Ticketmaster. Second Part: Key Characteristics of Distributed Systems. Load Balancing. Caching. Data Partitioning. Indexes. Proxies. Redundancy and Replication. SQL vs. NoSQL. CAP Theorem. PACELC Theorem. Consistent Hashing. Long-Polling vs. WebSockets vs. Server-Sent Events. Bloom Filters. Quorum. Leader and Follower. Heartbeat. Checksum. About the Authors Designed Gurus is a platform that offers online courses to help software engineers prepare for coding and system design interviews. Learn more about our courses at www.designgurus.org. |
circle software engineer interview: Cracking the PM Career Jackie Bavaro, Gayle Laakmann McDowell, 2022-04 Product management is a big role, and this is a big book. This comprehensive guide teaches new PMs and experienced PMs the skills, frameworks, and practices to become great product managers. ?Product skills: Drive better product decisions by conducting user research, performing data analysis, prototyping, writing product docs, and understanding technology.?Execution skills: Run your team well and deliver your projects quickly, smoothly, and effectively with project management, incremental development, launch processes, and good time management.?Strategic skills: Set a better direction for your team and optimize for long-term impact with vision, strategy, roadmapping, and team goals. Learn what it means to be more strategic.?Leadership skills: Lead more effectively by developing your personal mindset, collaboration, communication, inspiration, and mentorship skills.?People management: Learn leadership skills for managers, including coaching, recruiting, interviewing, and creating organizational structures.?Careers: Navigate your career by understanding the career ladder, setting goals, and translating your accomplishments into advancement. |
circle software engineer interview: Cracking the PM Interview Gayle Laakmann McDowell, Jackie Bavaro, 2013 How many pizzas are delivered in Manhattan? How do you design an alarm clock for the blind? What is your favorite piece of software and why? How would you launch a video rental service in India? This book will teach you how to answer these questions and more. Cracking the PM Interview is a comprehensive book about landing a product management role in a startup or bigger tech company. Learn how the ambiguously-named PM (product manager / program manager) role varies across companies, what experience you need, how to make your existing experience translate, what a great PM resume and cover letter look like, and finally, how to master the interview: estimation questions, behavioral questions, case questions, product questions, technical questions, and the super important pitch. |
circle software engineer interview: Some Of Myself Suzanne D Williams, 2022-02-14 I can't do this again, she cried. I can't. It'll be like last time, and my life will be ruined. I just wanted to start over. Shh. No, it won't. You have me. The last thing Eden Riske expected when she came home was the discernment of fellow teacher Austin Lowell. Football coach, history teacher, fitness buff, Austin is strength and patience in a handsome package. However, it seems even his presence can't stop the rumors swirling around her or the hatred of someone determined to do her harm. But this job is supposed to be her salvation, her way out of her troubled past. Except now, everything is falling apart, and the one thing that might destroy her is the very secret she's held inside for so long. |
Circle | Ressources | Stablecoins
Jun 3, 2025 · Explore Circle’s global stablecoin network, including access to stablecoin liquidity, EURC updates, cross-chain infrastructure, and more.
Circle | The platform for global stablecoin finance
Mar 21, 2025 · Circle is building a new internet financial system, making money movement around the world as seamless as sending an email. Powered by USDC and EURC, and trusted by …
Circle Internet Group, Inc. - Investor Relations
Apr 29, 2025 · Circle Investor Relations. Circle is a global financial technology firm that enables businesses of all sizes to harness the power of digital currencies and public blockchains for …
Circle Alliance Directory
Discover Circle partners and apps. This site contains content and information, including links to other sites and resources, that was prepared by third parties ("Third Party Content") who are …
Job Openings at Circle
Job Openings at Circle. Browse Our Opportunities and apply today to Circle
Join Circle and Build the Financial Future
Join Circle and find a remote-first job that suits your passion. Be a part of a mission & values driven culture where we're building the financial future!
Circle Alliance Directory
Discover Circle partners and apps. Alliance Program members represent a global ecosystem of organizations working together to innovate and expand financial inclusion for billions of people …
Circle Payments Network | Global Stablecoin Payments
Introducing Circle Payments Network — a coordination protocol that enables financial institutions (banks, PSPs, VASPs, etc.) to connect, transact, and move money globally.
Contact Guvenkaya | Circle Alliance Directory
We find vulnerabilities others miss in your Rust code, non-EVM protocols, and Web2 systems. No gaps. No compromises.
Circle | Ressources | Stablecoins
Jul 9, 2024 · Proposez des transferts de fonds, paiements et plus encore quasi instantanés et à faible coût
Circle | Ressources | Stablecoins
Jun 3, 2025 · Explore Circle’s global stablecoin network, including access to stablecoin liquidity, EURC updates, cross-chain infrastructure, and more.
Circle | The platform for global stablecoin finance
Mar 21, 2025 · Circle is building a new internet financial system, making money movement around the world as seamless as sending an email. Powered by USDC and EURC, and trusted by …
Circle Internet Group, Inc. - Investor Relations
Apr 29, 2025 · Circle Investor Relations. Circle is a global financial technology firm that enables businesses of all sizes to harness the power of digital currencies and public blockchains for …
Circle Alliance Directory
Discover Circle partners and apps. This site contains content and information, including links to other sites and resources, that was prepared by third parties ("Third Party Content") who are …
Job Openings at Circle
Job Openings at Circle. Browse Our Opportunities and apply today to Circle
Join Circle and Build the Financial Future
Join Circle and find a remote-first job that suits your passion. Be a part of a mission & values driven culture where we're building the financial future!
Circle Alliance Directory
Discover Circle partners and apps. Alliance Program members represent a global ecosystem of organizations working together to innovate and expand financial inclusion for billions of people …
Circle Payments Network | Global Stablecoin Payments
Introducing Circle Payments Network — a coordination protocol that enables financial institutions (banks, PSPs, VASPs, etc.) to connect, transact, and move money globally.
Contact Guvenkaya | Circle Alliance Directory
We find vulnerabilities others miss in your Rust code, non-EVM protocols, and Web2 systems. No gaps. No compromises.
Circle | Ressources | Stablecoins
Jul 9, 2024 · Proposez des transferts de fonds, paiements et plus encore quasi instantanés et à faible coût