Senior Full Stack Developer Interview Questions

1,159 senior full stack developer interview questions shared by candidates

1. Application not starting in production — how do you troubleshoot? 2. Is it important to investigate bean initiation issues in Spring Boot? Why? 3. How do you avoid replication when managing S3 buckets across multiple AWS accounts? 4. What would you do if a Terraform apply failed due to a missing resource? 5. Tell me about an AWS-based Spring Boot project you’ve done. 6. Have you designed REST APIs? How do you secure them? 7. Have you used JWT, API keys, or certificates for security?
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Senior Full Stack Developer

Interviewed at Bank of New Zealand

3.9
Nov 4, 2025

1. Application not starting in production — how do you troubleshoot? 2. Is it important to investigate bean initiation issues in Spring Boot? Why? 3. How do you avoid replication when managing S3 buckets across multiple AWS accounts? 4. What would you do if a Terraform apply failed due to a missing resource? 5. Tell me about an AWS-based Spring Boot project you’ve done. 6. Have you designed REST APIs? How do you secure them? 7. Have you used JWT, API keys, or certificates for security?

EntityFramework questions, from my perspective it looked like they needed someone with alot of experience with it. What is the difference between IEnumerable and IQueryable? What is an attribute? Have you used it? How do you pass a value type param as reference?
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Senior Full Stack Developer

Interviewed at ARHS Group

3.7
Mar 19, 2024

EntityFramework questions, from my perspective it looked like they needed someone with alot of experience with it. What is the difference between IEnumerable and IQueryable? What is an attribute? Have you used it? How do you pass a value type param as reference?

- 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?

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