Can you explain the Node.js event loop and how it handles non-blocking I/O? Describe a time you had to optimize a slow database query. What was your approach? How would you design a rate-limiter for an API gateway? How would you ensure data consistency in a microservices architecture? Tell me about a time a project you were on failed. What did you learn? How do you handle error logging and monitoring in a distributed system?
Backend Software Engineer Interview Questions
9,111 backend software engineer interview questions shared by candidates
- Write a function to test whether string is a palindrome? - Write a function to find missing number in a list?
Explain technical terms in layman's terms. Not every client or stakeholder we work with will have a deep understanding of technical terms, thus, as consultants, it's our job to bridge that gap.
Difference between a struct and a object?
About my life experience, what I have worked on, and how many years. In the tech test, implement a transaction code as if you had to implement it ( I meant if it does not exists ) .
Code Signal Industry Coding Framework
How is OOPs in C++ better than that of Java. What are friend function?
Check if a Parentheses String Can Be Valid (LeetCode 2116)
Code an API for tracking statistics Code a function that, given a string, finds the first non-repeated letter in the string What are the advantages and disadvantages of using microservices
Where does a cache fit in this picture (of a server/application layout) Given unknown number of Transactions coming into your website, how do you derive statistics on the total for the 'last' 30 minute period using constant memory (the answering is bucketing) Draw a java 8 lambda that returns the sum of a collection of objects where total is greater than x ( a ridiculous question, I dont see how this relates to any particular job skill )
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