Senior Python Developer with React

Role Overview

As a Full Stack Developer , you will be responsible for building the end-to-end product—from backend APIs to a clean, responsive frontend. You’ll take full ownership of the development process, ensuring quality, scalability, and performance.

Key Responsibilities

• Develop, test, and deploy the SaaS platform using FastAPI , React 18 , and PostgreSQL .
• Implement a split → process → reduce pipeline for breaking down user prompts and aggregating responses.
• Integrate OpenAI SDK (GPT-5 High) and manage structured outputs, token / cost estimations, and performance limits.
• Build a responsive and intuitive web interface using React + Vite + Tailwind , including WebSockets for real-time updates.
• Implement file upload and parsing (PDF, TXT, DOCX, CSV) with basic OCR support .
• Generate PDF and DOCX exports (using Puppeteer, docx / docxtemplater).
• Deploy on Railway , manage environment variables, and implement monitoring via Sentry and Plausible .
• Maintain database structure and metrics logging in PostgreSQL .
• Collaborate closely with the technical lead to ensure code quality, scalability, and security.

Required Experience :

Required Technical Skills

Backend (FastAPI & Python 3.11+) :

Frontend (React + Vite + Tailwind) :

Infra & Database :