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Alhassan Alfarran

@alhassanalfarran

Python / Full-Stack Developer at Electroservice (Электросервис), building a document search and RAG platform for internal technical documentation.

Russian Federation

Message

At Electroservice (Электросервис), I’m building a document search and RAG platform for production and technical documentation using the company’s internal data. The work includes indexing PDF, Word, and Excel documents and review comments, with OCR for scanned documents.

I’m also developing hybrid search with sentence-transformers and FAISS, alongside indexing and query pipelines in FastAPI. In freelance client work, I’ve built and maintained responsive web applications with React and TypeScript, and developed Python/FastAPI APIs and integrations, including Pathwise.

At Avenue Group, I designed and built OKKP, an internal operations management platform, from scratch to production. It included a React and TypeScript frontend and a Node.js and Express REST API, with business modules for employee management, violation tracking, reporting, and Excel export.

Experience

Work history, roles, and key accomplishments

Current

Python / Full-Stack Developer

Current

Electroservice (Электросервис)

Jan 2026 - Present (9 months)

Building a document search and RAG platform for PTO (production and technical documentation) — practical AI on the company's real internal data.
• Indexing of document volumes and review comments (PDF/Word/Excel), OCR for scanned documents.
• Hybrid search with sentence-transformers + FAISS.
• Indexing and query pipelines on FastAPI.

Tech stack: Python, FastAPI, sentence-transformers, FAISS, OCR.

Current

Full-Stack Developer

Current

Freelance (parallel client work)

Jan 2020 - Present (6 years 9 months)

Freelance client work alongside full-time roles.
• Built and maintained web applications and responsive, cross-browser websites with React and TypeScript for different clients.
• Backend development in Python/FastAPI: APIs, integrations and scripts — including Pathwise (FastAPI + PostgreSQL + async).
• Gathered requirements with clients, optimized performance and UX, and supported apps after relea

Chief Full Stack Developer

Avenue Group

Jan 2025 - Dec 2025 (11 months)

Designed and built OKKP, an internal operations management platform, from scratch to production (product ownership).

• Frontend: React + TypeScript SPA with Tailwind CSS.
• Backend: Node.js/Express REST API with PostgreSQL and MongoDB, role-based access and audit logging.
• Media and document uploads via Cloudinary + Multer.
• Business modules: employee management, violation tracking, reporting a