I will develop scalable restapi backend using drf, fastapi or flask


About this gig
I build secure, high-performance REST APIs for web and mobile applications that actually scale under real traffic. Whether you need Django's robust ecosystem, FastAPI's speed, or Flask's simplicity, I deliver clean, production-ready code with full documentation.
What I Build:
- Custom REST APIs: Secure backends designed to handle growth, built with best practices for authentication, validation, and error handling.
- Authentication Systems: JWT, OAuth2, social login (Google, GitHub), session management, and role-based access control (RBAC).
- Database Architecture: Optimized PostgreSQL, MySQL, or MongoDB schemas with proper indexing and query optimization.
- API Documentation: Complete Swagger/OpenAPI docs so your frontend team knows exactly what to expect.
- Advanced Features: Celery background tasks, Redis caching, rate limiting, WebSocket support, file uploads (S3), payment integration (Stripe).
Tech Stack:
- Frameworks: Django REST Framework, FastAPI, Flask
- Tools: Docker, Nginx, Gunicorn, Pydantic, SQLAlchemy
- Deployment: AWS, DigitalOcean, Railway, Render
You Get:
- Type-safe endpoints (perfect for React/TypeScript frontends)
- Proper error handling and logging
- Secure data
Get to know Wasim R
Full Stack Ai Developer
- FromPakistan
- Member sinceFeb 2026
- Avg. response time1 hour
Languages
Urdu, Hindi, English
My Portfolio
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FAQ
Which framework should I choose - DRF, FastAPI, or Flask?
It depends on your needs. DRF is great for complex systems with lots of features. FastAPI is super fast and perfect for modern, high-performance APIs. Flask is lightweight and ideal for simple services. I'll help you decide based on your project.
Can you integrate third-party services?
Absolutely. Payment gateways (Stripe, PayPal), email services, SMS, AI APIs, CRMs, analytics tools - you name it.
Can you deploy the backend?
Yes! I handle deployment on AWS, DigitalOcean, VPS, or your preferred hosting. Includes Docker setup, SSL, and production configuration.
Is the code scalable and easy to maintain?
Yes. I follow clean architecture principles and write code that's organized, documented, and easy for other developers to work with later.
Can you fix or optimize my existing API?
Absolutely. I can refactor messy code, improve performance, fix security issues, and add proper documentation to existing APIs.
Do you support real-time features?
Yes! WebSockets for real-time updates, background tasks with Celery, async operations, and scheduled jobs.
Can you add rate limiting and caching?
Yes. I implement rate limiting to prevent abuse and caching (Redis) to improve performance and reduce database load.
Will you provide support after delivery?
Yes! I provide documentation, setup instructions, and post-delivery support. Also available for ongoing development and maintenance.

