I will build FastAPI-based Serverless APIs with Python and AWS Lambda for Scalable Web Applications

FastAPI Serverless APIs Built for Real-World Use

If you are building a web or mobile app and your backend is becoming slow, messy, or expensive to maintain, this service is for you. I will build FastAPI-based serverless APIs using Python and AWS Lambda that are easy to manage, fast to respond, and ready for real production traffic.

The Problems I Fix

Many teams struggle with:

• APIs breaking under load
• Long response times
• Confusing backend code that no one wants to touch
• Paying for servers even when traffic is low
• Difficulty deploying or updating backend logic

I solve these issues by moving your backend to a serverless FastAPI architecture on AWS.

How I Build Your API

I use FastAPI with Python because it is clean, predictable, and easy to extend. Your API logic is wrapped into AWS Lambda functions, so it only runs when users hit your endpoints. No idle servers. No constant costs.

I connect FastAPI with:

• AWS API Gateway for routing
• AWS Lambda for execution
• DynamoDB or RDS for data storage (based on your use case)
• IAM roles for controlled access

Each endpoint is structured, documented, and tested so your frontend or mobile app can consume it without confusion.

What You Will Get

• Clean FastAPI project structure
• REST APIs with proper request/response validation
• Error handling that actually makes sense
• Local development setup + AWS deployment
• Easy future updates without breaking existing users

Who This Is For

• Developers who want a clean Python backend
• Startups building MVPs fast
• SaaS builders tired of managing servers
• Teams migrating from Flask, Django, or Express

My Experience

I work daily with Python, FastAPI, AWS Lambda, API Gateway, and cloud-based backends. I focus on practical solutions that work in real products, not demo code.

If you want a backend that is simple to understand, easy to extend, and ready for real users, this setup is a solid choice.

Send me your API idea or existing backend, and I’ll tell you the best way to build or fix it.