NestJS Interview Questions
Check out 30 of the most common NestJS interview questions and take an AI-powered practice interview
What is NestJS and its architecture?
How do you create a basic server in NestJS?
What is middleware in NestJS?
How do you handle HTTP requests in NestJS?
What is routing in NestJS?
How do you handle request/response in NestJS?
What are controllers in NestJS?
How do you work with templates/views in NestJS?
What is RESTful API design in NestJS?
How do you handle static files in NestJS?
What are environment variables in NestJS?
How do you structure a NestJS application?
How do you implement authentication in NestJS?
What is database integration in NestJS?
How do you handle file uploads in NestJS?
What is caching strategy in NestJS?
How do you implement websockets in NestJS?
What is error handling middleware in NestJS?
How do you implement pagination in NestJS?
What is session management in NestJS?
How do you handle CORS in NestJS?
What is input validation in NestJS?
How do you implement rate limiting in NestJS?
What is logging and monitoring in NestJS?
How do you handle background jobs in NestJS?
How do you implement microservices with NestJS?
What are scaling strategies for NestJS?
How do you implement event-driven architecture in NestJS?
What is distributed tracing in NestJS?
How do you handle distributed transactions in NestJS?
Frequently Asked Questions
What is NestJS used for?
NestJS is widely used for creating server-side applications, APIs, and microservices. It's valued for its performance, reliability, and extensive ecosystem.
How long does it take to learn NestJS?
Learning NestJS basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.
What are the job prospects for NestJS developers?
NestJS developers are in high demand across industries. With strong NestJS skills, you can pursue roles in backend development, API development, DevOps, with competitive salaries ranging from ₹8-25 LPA.
What prerequisites are needed for learning NestJS?
Programming basics and understanding of web architecture are helpful prerequisites for learning NestJS.
Which companies use NestJS?
Major companies using NestJS include Google, Amazon, Microsoft, Meta, Netflix, and many more. NestJS is adopted across startups to enterprise organizations.
Introduction
Ready to ace your NestJS backend developer interview? NestJS powers server-side applications for countless companies worldwide.
NestJS is crucial for building scalable APIs, microservices, and server applications. This guide covers everything from basic concepts to advanced architectural patterns.
We'll explore commonly asked NestJS interview questions about request handling, database integration, authentication, performance optimization, and deployment strategies.
Master these questions to demonstrate your ability to build robust, secure, and efficient backend systems.
