Skip to contentSkip to footer

Fullstack Developer Interview Questions

Salaries
Interviews

3,983 fullstack developer interview questions shared by candidates

Technical Subjects: Basic questions about web development concepts, such as: what are CDNs, NoSQL and SQL Databases, Commonly used back-end architectures etc.. Basic questions about HTTP requests, and REST API. Basic React concepts like useCallback, and useMemo hooks. Basic coding challenge of a simple string traversal. Basic questions desiging a UI tree structure of a front-end page. Basic questions about designing and implementing a simple URL-shortener product from scratch.
avatar

Fullstack Engineer

Interviewed at Snappy

3.4★
Dec 7, 2023

Technical Subjects: Basic questions about web development concepts, such as: what are CDNs, NoSQL and SQL Databases, Commonly used back-end architectures etc.. Basic questions about HTTP requests, and REST API. Basic React concepts like useCallback, and useMemo hooks. Basic coding challenge of a simple string traversal. Basic questions desiging a UI tree structure of a front-end page. Basic questions about designing and implementing a simple URL-shortener product from scratch.

- Resolve multiple issues in the application. No codebase documentation. - Compose data and persist using localStorage. - Implement filters for a data table component. - Develop other data models based on the current models. - Develop simulation for data changing and show it in the UI (no layout defined) Only 3 hours to code.
avatar

Fullstack Developer

Interviewed at Planhat

4.4★
Feb 24, 2023

- Resolve multiple issues in the application. No codebase documentation. - Compose data and persist using localStorage. - Implement filters for a data table component. - Develop other data models based on the current models. - Develop simulation for data changing and show it in the UI (no layout defined) Only 3 hours to code.

Given an array arr[] of integers and an integer k, your task is to find the maximum value for each contiguous subarray of size k. The output should be an array of maximum values corresponding to each contiguous subarray.
avatar

Fullstack Developer

Interviewed at Testpress

3.9★
Jun 30, 2025

Given an array arr[] of integers and an integer k, your task is to find the maximum value for each contiguous subarray of size k. The output should be an array of maximum values corresponding to each contiguous subarray.

1. You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Return the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any combination of the coins, return -1. You may assume that you have an infinite number of each kind of coin.
avatar

Fullstack Developer

Interviewed at Testpress

3.9★
Jun 30, 2025

1. You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Return the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any combination of the coins, return -1. You may assume that you have an infinite number of each kind of coin.

Viewing 3531 - 3540 interview questions

Glassdoor has 3,983 interview questions and reports from Fullstack developer interviews. Prepare for your interview. Get hired. Love your job.