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I will build a scalable rest api backend in python with fastapi flask and django
Ihor N.
About this gig
Hi, I'm Ihor - a Python developer with 7+ years of commercial experience building production-grade REST APIs and backend systems. I specialize in FastAPI, Flask and Django REST Framework, and I love clean, well-tested, readable code that doesn't break in production.
WHAT YOU GET:
- Modern REST API with proper schemas (Pydantic / DRF serializers)
- Authentication: JWT, OAuth2, API keys, or session-based
- Database integration: PostgreSQL, MySQL, MongoDB, SQLite
- Auto-generated OpenAPI / Swagger documentation
- Proper error handling, validation, logging
- Unit & integration tests (pytest)
- Docker & docker-compose setup on request
- Async endpoints when needed (FastAPI)
USE CASES I COVER:
- Backends for web & mobile apps
- Microservices and internal tools
- Third-party API integrations (Stripe, Twilio, OpenAI, etc.)
- Data APIs on top of existing databases
- Refactoring & speeding up slow endpoints
WHY ME:
- 7+ years of real production Python
- Strong with system design, DB schemas and performance
- I write code I would maintain myself.
Get to know Ihor N.
Ihor N.
Python Developer for Bots Automation and REST APIs AI ML
- FromUkraine
- Member sinceMar 2022
- Last delivery4 years
Languages
English, Russian, Ukrainian
Hi, I'm Ihor, a Full-Stack and AI/ML developer with 7+ years of experience in Python. I build production-grade backends, microservices and REST APIs, AI/ML solutions (NLP, LLM, OCR, classification, chatbots), data pipelines and high-load systems. I also work with TypeScript (NestJS, Next.js, React), PostgreSQL/DynamoDB, AWS/GCP/Azure, Docker and CI/CD. I deliver clean code, clear communication and reliable results, from MVPs to enterprise services
FAQ
Which framework do you use FastAPI Flask or Django?
All three. I recommend FastAPI for fast modern APIs, Django REST Framework for larger apps with an admin panel, and Flask for lightweight services. Tell me your project and I will suggest the best fit, or use the stack you already have.
Will you deploy the API and write documentation?
Yes. I can deploy to your cloud (AWS, GCP, Render, Railway) with Docker, set up the database and environment, and deliver auto-generated OpenAPI / Swagger docs so your team and frontend can use the API right away.
Can you connect the API to my existing app or database?
Yes. I can build a new backend or extend your existing one, connect to PostgreSQL, MySQL, MongoDB or SQLite, and integrate third-party APIs and payments. Message me with your project details before ordering and I will send a clear plan and price.
