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$
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I will build a rest API with django, drf or fastapi for your web or mobile app
Atif Raza
About this gig
Need a secure, production-ready REST API for your web or mobile app?
I'm a backend engineer with 7 years building Python systems for regulated fintech, including the backend of a platform that has processed USD 3.5B+ for 1.5M+ users and the core backend of a UK digital bank.
WHAT I BUILD:
- REST APIs with Django REST Framework or FastAPI
- PostgreSQL data models and migrations
- JWT authentication, roles and permissions
- Third-party API integrations (payments, email, KYC)
- Bug fixes, code reviews and performance tuning
WHAT YOU GET:
- Clean, tested, well-structured source code
- Interactive Swagger/OpenAPI documentation
- Docker setup and deployment help
- Clear communication and a setup guide
Not sure which package fits? Message me before ordering and I'll recommend the right one.
Get to know Atif Raza
Atif Raza
Fintech Backend Engineer Python Django FastAPI Payments and KYC APIs
- FromPakistan
- Member sinceDec 2020
- Avg. response time1 hour
- Last delivery3 years
Languages
Urdu, English
Senior Python Backend Engineer building production fintech and banking systems. 7+ years in Python, Django, DRF and FastAPI, with 4 fintech and banking platforms across the UK, UAE and Pakistan. Worked on systems processing $3.5B+ for 1.5M+ users, including 2M+ transactions and $1B+ in transfers in 2024. Experienced in payments, remittances, banking APIs, KYC onboarding (SumSub), microservices, gRPC, AWS, Docker and CI/CD. Employee of the Year 2020 with 2 open-source PyPI packages. Clean, tested code and on-time delivery.
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FAQ
Django REST Framework or FastAPI: which should I choose?
DRF is best for apps that need a built-in admin panel and lots of standard CRUD features. FastAPI is best for high-performance or async APIs. Share your idea and I'll recommend the right one.
Can you work on my existing project?
Yes. I can fix bugs, add endpoints or improve performance in your existing Django or FastAPI codebase, following its current structure.
What is included in the Bug Fix or Consultation package?
One bug fix, a focused code review, or a 1-hour consultation. If the work turns out bigger, I'll tell you before starting, so there are no surprises.
Will my API handle growth and heavy traffic?
Yes. I design for scale from day one: optimized database queries and indexes, pagination, caching where it helps, background tasks for slow jobs, and stateless services that run in Docker so you can add servers as traffic grows. I can also profile and speed up an existing API.
