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Senior Full Stack Developer Interview Questions

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1,152 senior full stack developer interview questions shared by candidates

- variable hoisting - event loop - javascript variable scope - difference between let, const, var, function - typecasting in javascript - difference between primary data type & wrapper classes - call by value & call by reference - AWS services like EC2, S3, SQS, SNS, ECR, lambda, step functions - system design for big data download from database using AWS services
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Senior Full Stack Javascript Developer

Interviewed at Velotio

4★
Aug 6, 2023

- variable hoisting - event loop - javascript variable scope - difference between let, const, var, function - typecasting in javascript - difference between primary data type & wrapper classes - call by value & call by reference - AWS services like EC2, S3, SQS, SNS, ECR, lambda, step functions - system design for big data download from database using AWS services

Angular: 1. How to import an Advertisement in Angular Single page component. Given Google/Facebook page and asked to explain the scenario of communicating local component with remote advertisement 2. How many files extracted if we compile and run angular app in browser? 3. Module to module communication in Angular? Java: 1. Program to implement JMS/ActiveMQ (with config)? 2. Difference between ArrayList, Vector and HashTable and Hashmap? 3. Write a Junit use cases where you have 3 methods, one returns void, one returns JSON and another return exception? 4. Multithreading- Request1 having 10 threads and Request 2 have to wait until request 1 process 10 threads? How? 5. Binary Tree Search algorithm? 6. Difference between Collection and Collections? JS: 1. How to write immutable objects in JavaScript? How many ways do we have? 2. Difference between let/var/const? 3. What is Chaining and Throating in JS? 4. Event capturing and event bubbling?
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Senior Full-Stack Developer

Interviewed at Virtusa

3.7★
Nov 21, 2022

Angular: 1. How to import an Advertisement in Angular Single page component. Given Google/Facebook page and asked to explain the scenario of communicating local component with remote advertisement 2. How many files extracted if we compile and run angular app in browser? 3. Module to module communication in Angular? Java: 1. Program to implement JMS/ActiveMQ (with config)? 2. Difference between ArrayList, Vector and HashTable and Hashmap? 3. Write a Junit use cases where you have 3 methods, one returns void, one returns JSON and another return exception? 4. Multithreading- Request1 having 10 threads and Request 2 have to wait until request 1 process 10 threads? How? 5. Binary Tree Search algorithm? 6. Difference between Collection and Collections? JS: 1. How to write immutable objects in JavaScript? How many ways do we have? 2. Difference between let/var/const? 3. What is Chaining and Throating in JS? 4. Event capturing and event bubbling?

Front-end: Fundamental questions about JavaScript. They don't care whether you know Angular, React, or Vue.js. As a smart company, they realized that a good developer can easily switch between libraries/frameworks if given the room to do so. I was challenged with a really fun set of questions that lead to one another within JavaScript. The interviewer was genuinely interested to see how I think, and didn't care much about how precise my code is. Practice on your deep JavaScript understanding and you should be alright. Make sure to be aware of all the quirks of JavaScript.
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Senior Full-stack Software Engineer

Interviewed at DAZN

2.7★
Feb 1, 2019

Front-end: Fundamental questions about JavaScript. They don't care whether you know Angular, React, or Vue.js. As a smart company, they realized that a good developer can easily switch between libraries/frameworks if given the room to do so. I was challenged with a really fun set of questions that lead to one another within JavaScript. The interviewer was genuinely interested to see how I think, and didn't care much about how precise my code is. Practice on your deep JavaScript understanding and you should be alright. Make sure to be aware of all the quirks of JavaScript.

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