Senior Backend Developer Interview Questions

741 senior backend developer interview questions shared by candidates

How would you design a scalable RESTful API using Node.js? What to Look For: The candidate's understanding of REST principles, knowledge of Express.js or other frameworks, experience with middleware, handling of different HTTP methods, and ability to ensure security and performance. Follow-Up Questions: How would you handle authentication and authorization? What strategies would you use to ensure the API can scale effectively as traffic increases?
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Sr Backend Developer

Interviewed at Crebos Online Solutions

4.7
Jun 19, 2024

How would you design a scalable RESTful API using Node.js? What to Look For: The candidate's understanding of REST principles, knowledge of Express.js or other frameworks, experience with middleware, handling of different HTTP methods, and ability to ensure security and performance. Follow-Up Questions: How would you handle authentication and authorization? What strategies would you use to ensure the API can scale effectively as traffic increases?

The exercise of technical interview seemed invented 2 min after interview started. Two interviewers have jumped in without preparing anything. Finally after a wee pause the one of them asked me to provide Scala implementation of a list. When I asked to precise what kind of list he meant, his answer was - immutable linked list.
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Senior Backend Developer

Interviewed at Ledger

3.9
Nov 14, 2018

The exercise of technical interview seemed invented 2 min after interview started. Two interviewers have jumped in without preparing anything. Finally after a wee pause the one of them asked me to provide Scala implementation of a list. When I asked to precise what kind of list he meant, his answer was - immutable linked list.

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