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# Développeur IA Senior - Environnement SIRH (SuccessFactors / HR Access) H/F

- **Company:** Collective
- **Location:** Saint-Ouen-sur-Seine, France
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cloud Computing, Continuous Integration, Human Resources Information System (HRIS), Github, Python (Programming Language), Redis, SuccessFactors, SQLAlchemy, Large Language Models, Prompt Engineering, Generative AI, Build Server, Backend, Fastapi, HR Access, Restful APIs, Docker, Microservices
- **Published:** June 5, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=a38ee3f574ac8975

## About the Role

Backend & Cloud

 * Python, FastAPI, programmation asynchrone.
 * Architecture microservices.
 * API REST sécurisées.
 * GCP : Cloud Run, Cloud Functions, Cloud Build, Vertex AI.
 * Docker, GitHub, CI/CD.

Data

 * Firestore.
 * Redis.
 * Pydantic, SQLAlchemy.

IA Générative

 * Expérience sur OpenAI, Anthropic ou Vertex AI., * 5 ans d'expérience minimum en développement Python.
 * Expérience significative sur des projets GenAI en production.
 * Capacité à évoluer dans un environnement international.

Gros plus

 * Expérience sur SAP SuccessFactors, HR Access ou autre SIRH.
 * Bonne compréhension des processus RH.
 * Expérience de projets IA appliqués aux Ressources Humaines.

## Description

* Développer des microservices et APIs en Python / FastAPI.
 * Concevoir et intégrer des solutions basées sur les LLMs (OpenAI, Anthropic, Vertex AI).
 * Développer des agents IA, assistants RH et solutions RAG.
 * Intégrer les applications aux systèmes SIRH existants.
 * Participer aux choix d'architecture, aux bonnes pratiques de sécurité et à l'industrialisation des solutions.
 * Déployer et maintenir les applications sur GCP., * Prompt Engineering.
 * Agents IA et orchestration LLM.
 * RAG.
 * AI Safety et validation des réponses.


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