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1,670 full stack software developer interview questions shared by candidates

System Design 1) Difference between microservices and monolith systems 2) Types of APIs 3) What is Rest 4) What is Proxy API 5) What does Kubernetes include in its system 6) What is orchestrator 7) How to track so many services in microservices architecture 8) What is CDN 9) What system I would use for a market place.
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Full Stack Software Engineer

Interviewed at Microsoft

4★
Jan 13, 2025

System Design 1) Difference between microservices and monolith systems 2) Types of APIs 3) What is Rest 4) What is Proxy API 5) What does Kubernetes include in its system 6) What is orchestrator 7) How to track so many services in microservices architecture 8) What is CDN 9) What system I would use for a market place.

What language I am most proficient in, what are the projects I worked on, etc. Had to demonstrate Java OOP concepts and how good I am at utilizing the IDE and tools. Also, my documentation reading efficiency and pace was tested.
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Associate Full Stack Software Engineer

Interviewed at Fidelity Investments

4.1★
Mar 20, 2023

What language I am most proficient in, what are the projects I worked on, etc. Had to demonstrate Java OOP concepts and how good I am at utilizing the IDE and tools. Also, my documentation reading efficiency and pace was tested.

- Write an algorithm to return possible n combinations of array elements from left to right - Write a Command Line Interface (CLI) using Node.js that will (a) create an index in Elasticsearch / populate said index - Let’s assume you work at Causaly and you have an argument with your manager. You are 100% sure you are right, but the manager won’t listen. You are concerned going the other way will have a negative impact on the product. What do you do?
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Full Stack Software Engineer

Interviewed at Causaly

3★
Aug 1, 2023

- Write an algorithm to return possible n combinations of array elements from left to right - Write a Command Line Interface (CLI) using Node.js that will (a) create an index in Elasticsearch / populate said index - Let’s assume you work at Causaly and you have an argument with your manager. You are 100% sure you are right, but the manager won’t listen. You are concerned going the other way will have a negative impact on the product. What do you do?

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