Preguntas de OOP Principios SOLID Conceptos de Javascript: Promises vs callback, etc
Senior Backend Engineer Interview Questions
2,034 senior backend engineer interview questions shared by candidates
Various questions about coding challenge during a screenshare.
What would a user guide about you contain?
Create an API based on the existing DB
Setup specific endpoints for a simplified version of their service given a PostgreSQL database with mock data
we have a request that takes 100 ms and then the number of users is doubled and the request now takes 900 ms. What can be the reasons?
coding question - implement cache function and then test it. should fetch from db/3rd party only if the item doesn't exist in cache or is expired. test on the following: 1. get get sleep (to make entry expire in cache) get should fetch from remote twice 2. promise.all(get, get, get) should fetch from remote once
Have you ever used the lock class (ReentrantLock)? Have you ever used CountDownLatch or Barrier?
Can a stream be reused? i.e. can you try to finalise a stream twice? i.e. can you call collect on a stream twice?
How do you find using annotations? Do you like it? What is the tradeoff?
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