Senior Machine Learning Engineer - ai Initiatives W - M - Nb H/F Ubisoft

We are seeking a strong ML practitioner with both deep technical expertise and production-oriented engineering mindset.

Must-Have Qualifications:

- Experience: Solid experience in machine learning engineering or applied AI, with proven experience delivering ML systems in production.
- Programming & Frameworks: Strong proficiency in Python and hands-on experience with ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent.
- LLMs & Modern AI: Practical experience with Large Language Models, embeddings, transformer architectures, and fine-tuning or prompt engineering techniques.
- RAG & Retrieval: Experience designing or implementing RAG pipelines, including vector databases, hybrid search, and query optimization strategies.
- Model Deployment & Cloud: Experience deploying models via APIs using Docker and cloud platforms such as AWS, GCP, or Azure.
- Data & System Thinking: Solid understanding of data pipelines, experimentation, evaluation metrics, and ML systems operating within distributed, scalable architectures.

Nice-to-Have Qualifications:

- Experience building or integrating AI agents and multi-agent systems (e.g., LangGraph, CrewAI, Strands Agents).
- Familiarity with inference optimization techniques such as quantization, distillation, batching, or caching.
- Experience working with multimodal models (text, vision, audio).
- Knowledge of MLOps best practices, including model registries, CI/CD for ML, monitoring, and drift detection.
- Experience operating AI workloads in cloud-native environments (e.g., Kubernetes, serverless) and/or contributing to open-source or research initiatives.

Growth Opportunities

Joining our team as a Machine Learning Engineer in AI Initiatives offers the opportunity to:

- Build AI systems that directly impact creative workflows and decision-making across Ubisoft.
- Work on cutting-edge AI paradigms including agentic systems, and multimodal reasoning.
- Influence the evolution of AI standards and best practices within a global organization.
- Grow toward senior technical leadership roles or specialized AI positions.

Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin's Creed, Rainbow Six to Just Dance and more. We believe diverse perspectives help both players and teams thrive. Ifyou'repassionate about innovation and pushing entertainment boundaries, join our journey and help us create the unknown!