¿Diferencias entre interfaces y clases abstractas? ¿Una clase puede heredar más de una clase? ¿Qué es SOLID? (JUST IN CASE) ¿Para usarias un rollback transaction?
Senior Backend Engineer Interview Questions
2,797 senior backend engineer interview questions shared by candidates
PHP Basics, OOP, general programming
- Design a system and think how it can be scaled up - What's important for you when doing a code review
Relatively simple Ruby objective programming questions.
Design a system that integrates with Live911 and automatically sends a drone to a new 911 call.
Imagine you are looking at an X/Y plane top-down. Now imagine there is a camera at the origin (0,0). The camera has a FOV in degrees, and can rotate 360 degrees so that the FOV can include any X/Y point. Given the camera's FOV in degrees and a list of points, write an algorithm that will ensure the camera captures each point with minimal rotations.
I would say one surprise I had was that database modeling was pretty important for this interview.
What are primitives, event loop. Some other general JavaScript/Node.js topics. Experience with microservices.
LinkedLists : with left and down links( and there could be indefinite levels) Print the list level wise
How to improve the performance of the expensive query to DB?
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