I build fast, production-ready backend systems using Python and FastAPI.
As the sole developer of checkapi.io — a live API monitoring SaaS — I've built and maintained a full backend stack in production, including authentication, payment integration, task queues, and alert pipelines.
What I can build:
- REST API design and development
- Database modeling with PostgreSQL and SQLAlchemy
- Background task processing with Celery + Redis
- Payment integration (Stripe, Toss Payments)
- Docker deployment on Railway or any cloud platform
- Admin dashboards and internal tooling
Tech stack: Python · FastAPI · PostgreSQL · SQLAlchemy · Celery · Redis · Docker · Railway
Clean architecture, proper error handling, and API documentation included as standard. Includes 1 month of free bug fixes after delivery.