I will build a scalable backend for your web application using python


About this gig
Need a reliable backend for your website, application, or business idea? I can help you build it from scratch or improve your existing Python backend.
I develop custom backend systems and REST APIs using Python, FastAPI, and Flask, designed around your application's requirements.
What I can build:
- Custom Backend Development: Build the server-side logic that powers your web application.
- REST API Development: Create APIs that connect your frontend, mobile app, or other services.
- User Authentication: Implement secure registration, login, JWT authentication, and role-based access.
- Database Integration: Connect and manage data using PostgreSQL, SQLite, or MongoDB.
- Third-Party API Integration: Connect external services and integrate their functionality into your application.
- Backend Maintenance: Fix bugs, improve existing code, and optimize API performance.
What you'll receive:
- Clean, organized, maintainable Python code.
- Proper database integration and API structure.
- API documentation using Swagger UI / OpenAPI.
- Requirements file and setup instructions.
- Testing and revisions according to the agreed scope.
Whether you're starting a new project, need a backend for an existing frontend, or
Get to know Haider A
Python Developer, Automation, AI Integration and Web Scraping
- FromPakistan
- Member sinceJun 2025
- Avg. response time1 hour
- Last delivery5 months
Languages
Urdu, English
My Portfolio
Other Software Development Services I Offer
FAQ
Do I need to provide hosting or deployment?
No, I deliver the code ready to run. If you need help deploying it (Docker, cloud platforms, etc.), let me know and we can discuss that separately.
Can you work with my existing codebase?
Yes — send it over before ordering and I'll review it to scope the work accurately.
What database do you support?
PostgreSQL, MongoDB, SQLite, and most common databases. Let me know your preference in the requirements.
Will I get API documentation?
Yes, FastAPI generates Swagger/OpenAPI docs automatically. For Flask, I'll add documentation using Flask-RESTX or similar.
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
H 
hasnaine987

Pakistan
Excellent work! The seller delivered exactly as requested and completed the project on time. Communication was clear and professional throughout the process. The quality of the work exceeded my expectations, and I am very satisfied with the final result. I highly recommend this seller and would definitely...
$50
Price
1 day
Duration
Helpful?
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
H 
hasnaine987

Pakistan
Excellent work! The seller delivered exactly as requested and completed the project on time. Communication was clear and professional throughout the process. The quality of the work exceeded my expectations, and I am very satisfied with the final result. I highly recommend this seller and would definitely...
$50
Price
1 day
Duration
Helpful?
