About Haitem
English
Fluent
French
Native or bilingual
Experience
- laruchedurableFounder — AI Agents ArchitectDecember 2025 - Today (8 months)Lyon, France• Multi-agent engine LangGraph (Confluence RAG, SQL Data, writing): ETL pipeline vectorizing 10k+ documents via Unstructured → pgvector, hybrid embedding routing + LLM fallback, Zod I/O validation, response latency < 3s.• Stack: LangGraph, n8n, ReAct, Python (FastAPI), TypeScript (Hono), Cloud Run, Vertex AI (Gemini), Langfuse, Docker, CI/CD.Project completed:thefrenchcamp.co.ukcarscity42.frprospect.homemat.fr
- FacilisapFull Stack EngineerMay 2025 - December 2025 (7 months)Aix-en-Provence, France• Business data orchestration system automating mapping between industry ERP and LLM, reducing client integration time by 40%. Playwright + Gemini augmented QA for automatic visual regression detection. Full-stack Python/TypeScript, React.
- Hospimedia (CDI)Full Stack RoR / React DeveloperDecember 2023 - May 2024 (5 months)18 Rue Gosselet, 59000 Lille, France• B2B health editorial platform: Ruby on Rails, React, PostgreSQL, query optimization (-30% response time), CI. Subscription management, article publishing/searching for thousands of health professionals.
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- BTS SIOIRUP2016
- Bachelor of Technology - BTech, Computer ScienceEPITECH Lyon2014