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Principal AI Data Scientist - F/M/X

Issy-les-Moulineaux, IDF, fr🌐 Remote💼 Full-time🗓 2026-09-09 → 2026-09-26

Core

Senior technical leader driving the design, development, and deployment of machine learning, generative AI, and agentic AI solutions, including LLM-based platforms, to maximize business impact on customer experience and hotel operations.

Role type

Principal AI Data Scientist (Technical Lead)

Builds

Scalable AI architectures, LLM-based conversational assistants, agentic workflows, and industrialized AI solutions.

Domain

Hospitality & Travel / Generative AI & Machine Learning

Deliverable

production ML models

Required skills

Deep learning, Generative AI, LLMs, Prompt engineering, RAG, Vector databases, Agent orchestration, MLOps, LLMOps, Python, PyTorch, LangChain, LangGraph

Preferred skills

Hospitality, travel, retail, or large-scale B2C/B2B domain experience

Technologies

PyTorch, LangChain, LangGraph, AWS, MLflow

Responsibilities

Define and lead Accor's AI architecture; Establish best practices in prompt engineering, model evaluation, and technical documentation; Mentor the Data & Engineering community on AI architectures and software engineering best practices; Drive technology watch activities and lead POCs to evaluate new models and tools.

Seniority

Principal, hands-on technical leader with mentorship responsibilities

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