Senior Full Stack Engineer Interview Questions

1,780 senior full stack engineer interview questions shared by candidates

- What is your current salary? - How have you applied SOLID principles and clean code in your projects? - How have you made sure that your projects are scalable, clean and maintainable? - Have you worked with micro services in X or Y project? - Why have you left all of those previous companies? - What is your current salary?
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Senior Full Stack Engineer

Interviewed at Fever

3.5
Sep 19, 2023

- What is your current salary? - How have you applied SOLID principles and clean code in your projects? - How have you made sure that your projects are scalable, clean and maintainable? - Have you worked with micro services in X or Y project? - Why have you left all of those previous companies? - What is your current salary?

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

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