- Paris, Île-de-France, France
- 3+ years
Lead AI Engineer responsible for designing, building, and shipping generative AI systems and agentic solutions for Bain’s clients.
Responsibilities
- Contribute to the design, development, and deployment of end-to-end generative AI systems, including multi-agent workflows and production-grade AI applications.
- Build and iterate on multi-component AI pipelines such as Retrieval-Augmented Generation, fine-tuning, embedding generation, hybrid retrieval strategies, reasoning, tool use, and orchestration across AI workflows.
- Build and contribute to agentic systems, applying sound engineering principles around separation of concerns, memory architecture, and tool integration.
- Contribute across the full stack: model experimentation, evaluation design, and production system deployment.
- Build and maintain APIs, microservices, CI/CD pipelines, and cloud-native deployments with attention to observability and reliability.
Requirements
- Nice to have: French language proficiency at C1 level or higher
- Nice to have: experience mentoring peers
- Nice to have: experience with ReAct, RLAIF, and other HITL + feedback loops
- Nice to have: experience with hybrid or graph-based retrieval approaches