Flip the keys & values in a hash table / dictionary / array (PHP style)
Senior Backend Engineer Interview Questions
2,786 senior backend engineer interview questions shared by candidates
Implementing member functions for a given class.
The initial interview was about my tech background and work history. It was about an hour and covered culture fit and technical fit.
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?
Wrote a SQL query and asked issues with it? and How the issue can be exploited by attacker
1. Optimize a hypothetical backend system 2. Implement LFU cache
What do you know about AO? Why do you want to work for AO? What is the reason you are leaving your current job?
Provided a TYPED python class, which uses the async library, with some functionality (one function stubbed out), extend/build that functionality in order to pass a pre-written test. Then, augment another test to pass.
In the system design interview, how would you design a banking app.
Nothing out of ordinary Woven test regular design question STAR questions
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