I will build scalable python fastapi backend apis and web services


About this gig
Looking for a reliable backend developer who can build secure, scalable and maintainable APIs?
I'm a Senior Full Stack Developer with over 8 years of professional experience developing production-grade backend systems used by startups and enterprise companies.
I specialize in designing clean architectures, building high-performance REST APIs, integrating databases, and delivering maintainable code that's ready for production.
I can help you with:
- FastAPI development
- Python backend development
- REST API development
- Database design
- SQLAlchemy ORM
- PostgreSQL
- MySQL
- SQLite
- Authentication (JWT, OAuth2)
- API integrations
- Bug fixing
- Performance optimization
- Refactoring legacy code
- Docker support
- Swagger / OpenAPI documentation
Technologies:
- Python
- FastAPI
- SQLAlchemy
- Pydantic
- PostgreSQL
- MySQL
- SQLite
- Alembic
- Docker
- JWT Authentication
- OAuth2
- Redis
- Celery
- AWS
- REST APIs
- OpenAPI
Why choose me?
- Clean, maintainable code
- Production-ready architecture
- Fast communication
- On-time delivery
- Scalable backend solutions
- Long-term support
If you're unsure which package fits your project, feel free to contact me before ordering.
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Get to know Lena L
Web site developer with more than 6 years of experience
- FromIsrael
- Member sinceMar 2025
- Avg. response time1 hour
- Last delivery1 year
Languages
English, Hebrew
FAQ
Can you work on existing FastAPI projects?
Yes
Can you migrate Flask or Django APIs to FastAPI?
Yes
Do you build APIs from scratch?
Absolutely
Do you provide database design?
Yes
Which databases do you support?
PostgreSQL MySQL SQLite MongoDB
Can you deploy the backend?
Yes. Docker AWS Linux VPS
