Describe projects you've worked on and your role
Backend Developer Interview Questions
9,198 backend developer interview questions shared by candidates
This is a design question, they asked me to design a server control system for a survey website, there would be two basic functions, one is next() and the other one is getQuestions(), the next() function would check if the answer to the survey is valid , and the function getQuestions() would return the questions in the next page. You should write out what you need.
The unexpected thing was being asked a technical question immediately after picking up the phone and since I was taken by surprise I stumbled a bit. I was promptly kicked out of the phone interview while I was still trying to get my head into the problem.
They like LCA
They asked me to take an “English aptitude test,” but it turned out to be more of an IQ or logical reasoning test, which was unexpected and not clearly communicated beforehand.
How to find a sub-string in a string? How to convert a ternary expression into a binary tree structure?
Top K most frequent numbers in a array. Follow-up, in a stream. Implement strStr().
The phone interview consists of two coding questions: 1. number of 1's 2. remove duplicates in a Linkedlist and some other questions like semaphore in Java, TCP vs UDP
Promises, Map, filter, object, freeze object
A normal stack-based problem, if you have done competitive programming it would be very easy for you.
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