Senior Data Scientist – Generative AI / Prompt EngineeringLocation- Paris, France. Contract - 9 months (extension).Hybrid - 2 days on-site.NO VISA SPONSOSHIP. We are working with a technology-driven organisation seeking an experienced Data Scientist to join their team and lead the development of Generative AI solutions.You will design and build LLM-powered applications, with a strong focus on prompt engineering, RAG architectures, and AI agents. The role involves prototyping, prompt optimization (including A/B testing), and deploying production-ready GenAI systems in a cloud environment.Key requirements:Strong experience as a Data Scientist or ML EngineerHands-on prompt engineering experience with LLMsExperience building RAG and agent-based GenAI applicationsPython proficiency and familiarity with frameworks such as LangChainCloud experience (AWS, GCP, or Azure)This is an opportunity to work on impactful, real-world GenAI use cases from design through to production.