Full Stack Software Engineer Interview Questions

1,663 full stack software engineer interview questions shared by candidates

1.) Create a tree in React or Express JS 2.) Review the Hinge Health Application and discuss how it can be enhanced and how you can execute these enhancements. 3.) Coding challenge Review (Delete a node from a tree) they may also ask for requirements that weren't listed in the requirements section. Don't expect the questions the recruiter or coding challenge provide you with to be the ones asked during the interview. The questions are arbitrary and random. 4.) Technical Review of a past project 5.) Hiring Manager recap.
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Software Engineer II, Full Stack

Interviewed at Hinge Health

3.7
Apr 20, 2023

1.) Create a tree in React or Express JS 2.) Review the Hinge Health Application and discuss how it can be enhanced and how you can execute these enhancements. 3.) Coding challenge Review (Delete a node from a tree) they may also ask for requirements that weren't listed in the requirements section. Don't expect the questions the recruiter or coding challenge provide you with to be the ones asked during the interview. The questions are arbitrary and random. 4.) Technical Review of a past project 5.) Hiring Manager recap.

There are 10 piles of candies, 9 piles weigh 1g each, and one pile weighs 2g. How can you use a scale to determine which weighs 2g? There are 3 versions of this question: with x piles weighing 1g, y piles weighing 2g, x + y = 10, how can you find how many 1g piles there are?
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Intermediate Full Stack Software Engineer

Interviewed at D3 Security Management Systems

3.3
Nov 12, 2024

There are 10 piles of candies, 9 piles weigh 1g each, and one pile weighs 2g. How can you use a scale to determine which weighs 2g? There are 3 versions of this question: with x piles weighing 1g, y piles weighing 2g, x + y = 10, how can you find how many 1g piles there are?

The written test was divided into four sections, mostly multiple-choice (single and multiple select): a 90-minute logical reasoning section with pattern/algorithm-style questions (no coding), a 30-minute frontend section focused on class-style React/JS fundamentals, a 30-minute backend section where you analyze screenshots of code and fill in missing lines based on expected output, and a database section that tested MongoDB concepts and query optimization.
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Intermediate Full Stack Software Engineer

Interviewed at D3 Security Management Systems

3.3
Nov 21, 2025

The written test was divided into four sections, mostly multiple-choice (single and multiple select): a 90-minute logical reasoning section with pattern/algorithm-style questions (no coding), a 30-minute frontend section focused on class-style React/JS fundamentals, a 30-minute backend section where you analyze screenshots of code and fill in missing lines based on expected output, and a database section that tested MongoDB concepts and query optimization.

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