Snapshot array, one merge k sorted array-like question
Backend Engineer Interview Questions
15,491 backend engineer interview questions shared by candidates
Tell me about yourself, Hobbies
Questions were pretty standard, with a focus on culture, style, and experience. The "project retro" was a fun exercise that covered areas of technical implementation and project execution.
Tell me about yourself. Why did you leave all previous employers?
Given two sets, find the intersection and check for duplicates. Solve with O(max(m+n), mlogm, nlogn)
They presented me some shapes and i had to answer which i think are similar and why.
Can we schedule a call? Can we reschedule the call? Can we schedule the call again? (technical questions: they have a bank of 4 coding questions, you will find them in a discussion on Leetcode)
5 System Design (20 Mins): - Adv/Dis of singular/multiple servers for music streaming service - Gaming arcade with auto top-up credit card server, handling 125k machines concurrently, limitation? - File storage service, find issue with current process (duplicate file detection done by comparing byte by byte) - Password validation, deny if English word or fails length check or doesn't have upper/lower/symbol 2 Coding (30 mins): - Modified 2 sum (find pair of songs that match 7 minutes) - DFS longest path (find longest 'chain' of song titles where the last word of the song is start word of another song)
What are 3 things you would add to BambooHR
Most of the questions are experience related so just be confident about what you did and explain it in a clear way. For the coding questions, he went for Maximal Square from LeetCode.
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