What was the most important task that you've done and you are proud of?
Senior Backend Engineer Interview Questions
2,039 senior backend engineer interview questions shared by candidates
How would you design an object storage system like Amazon S3 that supports millions of users and trillions of objects? Walk through how you'd handle metadata, durability, consistency, replication, and scaling.
Usual experience-oriented stuff, salary expectations etc
The coding challenge was to extend a demo application where some key limits were missing, such as daily transaction count and total money spent, and I had to add them.
My personal work experience and expectations from new company, tools that I prefer to use, my attitude to quality over quantity, general approaches and principles that I follow during my work etc.
The hackerrank is probably easy/medium difficulty. 5 questions, around 3hrs total time. 1 express, 1 nodejs queue, 1 javascript promises 1 mysql (yes has to be mysql/mssql even tho its not a requirement???) 1 LC easy/medium style question with array
save relations between nodes and then print the tree.
Do you have experience using Kafka?
Nontechnical: 1) How do you lead your team? 2) What is your key to success? 3) How do you approach problems? Technical, where you went from one topic to another: 1) What are micro services and why would you use them? What about monolith? 2) How would you identify a bottleneck in the system? 3) How do you test and why? 4) What a RESTful services? 5) ...
I asked them what kind of person they’re looking for and even answered with ‘the way you described yourself is what we’re looking for’. Why having this answer? You can probably understand that this gives a message that it went well.
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