I will develop fastapi backend rest API with python database and authentication


About this gig
Need a fast, secure, and scalable backend for your application?
I will develop professional REST APIs and backend systems using FastAPI and Python. Whether you need a new API, database integration, authentication system, or AI-powered backend, I can help build reliable and maintainable solutions.
Services I Offer:
FastAPI Backend Development
REST API Development
CRUD Operations
JWT Authentication & Authorization
Database Integration (PostgreSQL, MySQL, SQLite)
Third-Party API Integration
AI & LLM API Integration
API Documentation (Swagger/OpenAPI)
Docker Support
Deployment Assistance
Tech Stack:
Python, FastAPI, PostgreSQL, MySQL, SQLite, Docker, JWT, Git, OpenAPI
Why Choose Me?
Clean and scalable code
Secure API architecture
Complete source code included
Fast communication and support
Experience building AI-powered backend systems
Please contact me before placing an order to discuss your project requirements.
Get to know Mathavan M
AI Engineer LLM Automation Specialist
- FromIndia
- Member sinceAug 2025
Languages
Tamil, English, Hindi, Kannada
FAQ
What databases do you support?
PostgreSQL, MySQL, SQLite, and MongoDB.
Can you create REST APIs from scratch?
Yes, I can develop complete backend systems from the ground up.
Do you provide API documentation?
Yes, Swagger/OpenAPI documentation is included.
Can you integrate third-party APIs?
Yes, payment gateways, AI APIs, social media APIs, and custom APIs.
Can you add authentication?
Yes, JWT Authentication, Role-Based Access Control, and secure login systems.
Will I receive the source code?
Yes, source code is included in all packages.
Can you deploy the backend?
Yes, I can assist with deployment on VPS, cloud servers, Render, Railway, and Docker environments.

