interview#1: 1 hour, project drill down + short coding question interview#2: 1.5 hours coding session, clean code, testable code, interview#3: 1.5 hours, two design questions. describe database etc.
Senior Backend Engineer Interview Questions
2,043 senior backend engineer interview questions shared by candidates
General questions about my experience and background
Questions covered topics such as debugging, database design, and system design.
1. Sellow copy vs deep copy in JS. 2. Generics and Unions in TS.
Why do you wanna join Deel?
System design for a TikTok-like app
What is your testing approach when writing code?
Was asked about my experience and projects.
Async tools to work with teammates
Hiring Manager Interview: The interview focused largely on soft skills and engineering practices, including topics such as the difference between an engineer and a developer, giving and receiving feedback, testing strategies (e.g., the test pyramid), and approaches to code reviews. Coding Challenge: The experience during the coding challenge varied significantly depending on the interviewer (mine was absolutely terrible). The discussion covered topics such as the Dockerfile, dependency/version choices in the pom.xml, log and debug console output, and design decisions. In some cases, I was also questioned about features that were not part of the original challenge requirements.
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