Robinhood Software Engineer Mock Interview

Practice 30 Robinhood Software Engineer questions covering system design, trading systems, and fintech scalability.

WRITTEN BY WILLIAM SWANSEN
QUESTION 14 OF 30

Can you describe a tough software development problem you encountered in your last job and discuss how you solved it?

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Prepare for coding challenges and architecture decisions that Robinhood engineers face daily.

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30 Robinhood Interview Questions & Answers

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01 Robinhood is very proud of their products and the people who develop them. In your opinion, what distinguishes a great software engineer from an average one? COMPATIBILITY 02 Here at Robinhood, we value work life balance and initiative. What personal software development projects have you worked on outside of work? PERSONAL 03 If hired by Robinhood, can you estimate what portion of your day will involve coding and other activities you will perform when not coding? BEHAVIORAL 04 Walk me through your process for designing scalable applications. BEHAVIORAL 05 Describe the process you use to create a program, from requirements definition to delivery. BEHAVIORAL 06 How do you go about addressing errors in your code? BEHAVIORAL 07 What process do you use to test and find bugs in an application you've developed? BEHAVIORAL 08 How would you implement Dijkstra's Shortest Path using a programming language with which you are familiar? BEHAVIORAL 09 Many Robinhood Software Engineers prefer to program in Java. Can you describe how you would implement linear search in JavaScript? EXPERIENCE 10 How do you go about organizing CSS files, and why do you prefer this approach? BEHAVIORAL 11 Walk me through the steps to build a single page application with multiple sections using the programming framework in which you typically work. BEHAVIORAL 12 Which do you prefer - a micro-service approach or a monolithic app? COMPETENCY 13 How would you accelerate the response time of a website you created for us here at Robinhood? BEHAVIORAL 14 Can you describe a tough software development problem you encountered in your last job and discuss how you solved it? CREATIVE THINKING 15 What do you look for or check when reviewing another team member's code? BEHAVIORAL 16 What do you feel are the critical principles of good software engineering? COMPETENCY 17 Can you describe Robinhood's software development life cycle as you understand it? COMPETENCY 18 Here at Robinhood, we have embraced Agile methodology. How experienced are you with the Agile software development process? EXPERIENCE 19 Please describe responsive design and the difference between fixed and fluid layouts. COMPETENCY 20 What are the differences between an array and a stack? COMPETENCY 21 Please describe a stack and the two operations it performs. COMPETENCY 22 What are the differences between blocking and non-blocking calls in the context of Node.js? COMPETENCY 23 Robinhood web developers are incorporating HTML5 in their most recent websites. Can you describe the functions of web workers in HTML5? COMPETENCY 24 Can you define black box testing and white box testing and discuss the differences between them? COMPETENCY 25 What are some of the programming languages you are familiar with, and which ones do you prefer? EXPERIENCE 26 How would you go about explaining cloud computing to someone here at Robinhood that doesn't have a technical background? COMMUNICATION 27 In your opinion, what is the difference between computer software and a computer program? COMMUNICATION 28 Which design patterns do you use, and in what situations do you use them? BEHAVIORAL 29 Can you describe what you know about object-oriented programming? COMPETENCY 30 Her at Robinhood, we prefer to create software that scales to keep up with our growth. What methodologies do you use to ensure that your program will scale? COMPETENCY

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Robinhood hires for several roles, and each one gets its own set of questions.

Main set All Robinhood questions Role Data Scientist 30 questions
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William Swansen
Written by William Swansen
30 QUESTIONS & ANSWERS · ROBINHOOD
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