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Senior Python Developer with React
Skills Agencyamritsar, punjab, in9 days ago
Job description4–6 years of full-stack experience. At least one SaaS product built and delivered using FastAPI + React . Able to work independently with minimal supervision and deliver production-ready code quickly. Experience with OpenAI SDK or LLM orchestration. Expertise in asynchronous programming (asyncio), retry / backoff strategies with jitter, and timeout management. Experience integrating OpenAI SDK, handling structured outputs, and managing token usage (tiktoken). Strong understanding of dependency management, concurrency, and parallel execution. Proficiency in modern React (v18), WebSockets, and responsive UI implementation. Ability to build clean UIs from wireframes without complex design dependency. Hands-on experience deploying to Railway or similar environments. Knowledge of structured logging, secrets management, and Twelve-Factor configuration. Familiarity with PostgreSQL , including query optimization and schema design.
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 :
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Senior Developer Python • amritsar, punjab, in
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