I will develop a python backend API with fastapi and postgresql

A
alex_ngr1
A
alex_ngr1
Alex
develop a python backend API with fastapi and postgresql
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develop a python backend API with fastapi and postgresql

About this gig

I build reliable Python backends and REST APIs that power mobile apps, web platforms and automation tools.


What I can build for you:

- REST API with FastAPI and PostgreSQL

- User authentication and authorization

- In-app purchases (Apple Pay / Google Play Billing)

- Database design and migrations

- Production environment setup and deployment

- Bug fixing and code review


My experience:

Contributed to the backend of Leela Journey a mobile app launching on App Store & Google Play. Integrated Apple StoreKit and Google Play Billing, configured production environment, fixed critical bugs. Also built a large-scale Python automation system (~30,000 lines of code) with FastAPI admin panel and 35+ REST endpoints.


Why choose me:

Clean, scalable architecture

FastAPI + SQLAlchemy + PostgreSQL

Full source code included

Deployment on your server

API documentation

14 days support after delivery


Message me before ordering to discuss your project!

Get to know Alex

Alex

Building efficient bots and automation tools for you

  • FromUkraine
  • Member sinceJan 2023

  • Languages

    Ukrainian, Russian, English
Python Developer, freelancing since 2022. **What I do:** • Build Telegram bots with aiogram: admin panels, payment systems, Google Sheets, CRM integrations • Develop web scrapers using Playwright and Scrapy, with data stored in PostgreSQL or spreadsheets • Build backends using FastAPI, PostgreSQL, Celery, and Docker • Integrate LLM APIs: tool calling, structured outputs, image recognition • Automate workflows and business processes using APIs and Make.com Tell me what problem you need solved, and I'll explain how I can handle it and provide a quote.

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