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1,487 full stack web developer interview questions shared by candidates

Build a Web Application: Create express.js: “Server1” will have users schema Create express.js “Server2” will have setting schema (with nested json data) Use the same MongoDB connection Server1 need to speek with server2 AES encryption. server2 answer srver one with AES encryption. do curd for the settings collection. front end need to speak with server1 with Authentication via passport.js (JWT) (React \ EJS Client application) Buttons for: create, update and delete Additional Information: ES6 + MVC Architecture Data Encryption transport Audit log Clean code
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Full Stack Web Developer

Interviewed at Cymulate

3.4★
Dec 26, 2020

Build a Web Application: Create express.js: “Server1” will have users schema Create express.js “Server2” will have setting schema (with nested json data) Use the same MongoDB connection Server1 need to speek with server2 AES encryption. server2 answer srver one with AES encryption. do curd for the settings collection. front end need to speak with server1 with Authentication via passport.js (JWT) (React \ EJS Client application) Buttons for: create, update and delete Additional Information: ES6 + MVC Architecture Data Encryption transport Audit log Clean code

All were only theory questions. The interviewer was not ready to accept me; he was demotivated from the beginning. If I answered one question, he would raise another question. He gave me one coding problem but did not allow me to run it and kept on saying I was wrong and all. It was the worst interview experience I have had in my life
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Full Stack Web Developer

Interviewed at Qualcomm

3.8★
Apr 11, 2025

All were only theory questions. The interviewer was not ready to accept me; he was demotivated from the beginning. If I answered one question, he would raise another question. He gave me one coding problem but did not allow me to run it and kept on saying I was wrong and all. It was the worst interview experience I have had in my life

Coding questions: 1. Given a service, use https module of node.js to call a service and based on the result, call second service multiple number times and generate response in requested format (had to use promises and lot of json manipulation) 2. Given array of integers, find distinct sets of 2 integers that sum to a particular value Ex: Input: 3 2 5 2 3 4 1 Output: 2 Explanation :{(3,2),(4,1)} 3. Don't remember exact question, but it 's something like this: All the characters of string are encoded to ASCII and result is reversed. Input: Above reversed ASCII code of string Ouput: Decode above code to get the string
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Full Stack Web Developer

Interviewed at ColorTokens

3.4★
Oct 7, 2017

Coding questions: 1. Given a service, use https module of node.js to call a service and based on the result, call second service multiple number times and generate response in requested format (had to use promises and lot of json manipulation) 2. Given array of integers, find distinct sets of 2 integers that sum to a particular value Ex: Input: 3 2 5 2 3 4 1 Output: 2 Explanation :{(3,2),(4,1)} 3. Don't remember exact question, but it 's something like this: All the characters of string are encoded to ASCII and result is reversed. Input: Above reversed ASCII code of string Ouput: Decode above code to get the string

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