Can you describe the SOLID principles?
Senior Backend Developer Interview Questions
1,024 senior backend developer interview questions shared by candidates
write a basic http server that accepts a json request and stores in memory
- Building a Golang HTTP Api with Unit Testing (take home challenge)
What is difference between abstract and interface. What is the difference between == and equals method in java. What is hashcode. How to write good hashcode. How does hashcode relate to equals method.
How to speed up performance on multiple data analysis on sql tables.
Questions were based on knowledge of NodeJs and computer science in general. One of the questions asked was, 'How would you efficiently calculate the square root of each element in a very large array?'
I got standard HR questions and also a few technical ones. Not very difficult, every senior person should be able to answer.
Problem solving rounds were based around how efficiently I can code and also tested my DS Algo skills. In the technical round, there were questions on SQL, HTTP methods, Request Cycle etc
Can you tell me a bit more about the back-end experience you have? In what environments you worked before in terms of the team?
They go over all your experience regarding to the role you applied for. If you applied for a python dev role, then expect python oriented questions. A senior dev does the tech screening so expect tricky questions. Example: In Python what's the difference between using == vs is?
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