log events of users who have currently logged in or logged out and find the intervals in which n users are concurrently logged in.
Senior Backend Developer Interview Questions
741 senior backend developer interview questions shared by candidates
My past experience was important to them, and also general programming expertise (e.g. SOLID principles).
SQL queries And leetcode code question
Implement pup sub in c#
why would you like to switch your employer?
Expectation is you are able to start from scratch to the end. Preferable full stack developer.
They asked about CI (Continuous Integration) and unit testing.
The developer interviews were not too technical. We discussed technologies I worked with in the past. I didn't have any Node.js experience, so there was a question about if I'd be comfortable with the stack since they're a Node shop. The interview with CEO lasted an hour and we discussed future of LiveScale, current work environment and culture.
What is the difference between a composite and compound index? Have I used Redis queues along with Celery? (again, a question that is irrelevant to my position)
Really, no questions, just a generic, two hours long talk, about how to implement pretty common scenarios.
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