Full Stack Developer Interview Questions and Answers

Full stack interviews cover both sides of an application: the user interface and the server, database and APIs behind it. Here are common questions with short answers.

Get the full eBook · ₹199

Sample questions and answers

What is a REST API?

Sample answer

An API style where resources are accessed with standard HTTP methods such as GET, POST, PUT and DELETE, usually returning data as JSON.

What is the difference between SQL and NoSQL databases?

Sample answer

SQL databases store data in structured tables with fixed schemas and relations. NoSQL databases such as MongoDB store flexible formats like documents, which suits changing or very large data.

How does token based authentication (JWT) work?

Sample answer

After login the server issues a signed token. The client sends it with later requests and the server verifies the signature to identify the user without storing a session.

What is inside the full eBook

The free answers above are only a small sample.

✓Interview questions and answers

✓Hiring companies and interview rounds

✓Salary range

✓Resume templates for freshers and experienced candidates

✓Roadmap and important topics

✓Books and YouTube channels to learn from

Full Stack Interview Q&A Top 200

₹199

Frequently asked questions

What does a full stack developer do?

A full stack developer works on both the user facing front end and the server, database and APIs behind it.

Which stack should I learn for full stack jobs?

A common choice is JavaScript with React on the front end, Node.js on the back end and a database such as PostgreSQL or MongoDB. Pick one stack and learn it deeply.