Full Stack Software Developer Interview Questions

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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.

I do not want to disclose too much about the exact questions, but they asked about the principles of OOP and your previous project experience. They also asked you to design a real-world thing (like a library, chess game, etc for example) using OOP design principles.
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Full Stack Software Engineering Intern

Interviewed at Fidelity Investments

4.1
Apr 29, 2022

I do not want to disclose too much about the exact questions, but they asked about the principles of OOP and your previous project experience. They also asked you to design a real-world thing (like a library, chess game, etc for example) using OOP design principles.

- 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

3.1
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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