FastAPI Interview Questions
Check out 30 of the most common FastAPI interview questions and take an AI-powered practice interview
What is FastAPI and its architecture?
How do you create a basic server in FastAPI?
What is middleware in FastAPI?
How do you handle HTTP requests in FastAPI?
What is routing in FastAPI?
How do you handle request/response in FastAPI?
What are controllers in FastAPI?
How do you work with templates/views in FastAPI?
What is RESTful API design in FastAPI?
How do you handle static files in FastAPI?
What are environment variables in FastAPI?
How do you structure a FastAPI application?
How do you implement authentication in FastAPI?
What is database integration in FastAPI?
How do you handle file uploads in FastAPI?
What is caching strategy in FastAPI?
How do you implement websockets in FastAPI?
What is error handling middleware in FastAPI?
How do you implement pagination in FastAPI?
What is session management in FastAPI?
How do you handle CORS in FastAPI?
What is input validation in FastAPI?
How do you implement rate limiting in FastAPI?
What is logging and monitoring in FastAPI?
How do you handle background jobs in FastAPI?
How do you implement microservices with FastAPI?
What are scaling strategies for FastAPI?
How do you implement event-driven architecture in FastAPI?
What is distributed tracing in FastAPI?
How do you handle distributed transactions in FastAPI?
Frequently Asked Questions
What is FastAPI used for?
FastAPI 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 FastAPI?
Learning FastAPI 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 FastAPI developers?
FastAPI developers are in high demand across industries. With strong FastAPI skills, you can pursue roles in backend development, API development, DevOps, with competitive salaries ranging from ₹7-24 LPA.
What prerequisites are needed for learning FastAPI?
Programming basics and understanding of web architecture are helpful prerequisites for learning FastAPI.
Which companies use FastAPI?
Major companies using FastAPI include Google, Amazon, Microsoft, Meta, Netflix, and many more. FastAPI is adopted across startups to enterprise organizations.
Introduction
Ready to ace your FastAPI backend developer interview? FastAPI powers server-side applications for countless companies worldwide.
FastAPI 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 FastAPI 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.
