Research Engineer, Machine Learning – Paris/London/Zurich/Warsaw

Job Description

About Mistral

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At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life.

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We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. Our offerings include Le Chat, La Plateforme, Mistral Code and Mistral Compute – a suite that brings frontier intelligence to end-users.

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We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.

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Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on https://mistral.ai/careers.

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Mistral AI participates in the E-Verify program

nRole Summaryn

About the Research Engineering team. The team spans Platform (shared infra & clean code) and Embedded (inside research squads). Engineers can move along the research↔production spectrum as needs or interests evolve.

nLocationn

Paris / London (hybrid) or remote from EU/UK

nWhat will you don

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• Accelerate researchers by taking on the heavy parts of large‑scale ML pipelines and building robust tools.

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• Interface cutting‑edge research with production: integrate checkpoints, streamline evaluation, and expose APIs.

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• Conduct experiments on the latest deep‑learning techniques (sparsified 70 B + runs, distributed training on thousands of GPUs).

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• Design, implement and benchmark ML algorithms; write clear, efficient code in Python.

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• Deliver prototypes that become production‑grade components for Le Chat and our enterprise API.

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nAbout youn

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• Master’s or PhD in Computer Science (or equivalent proven track record).

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• 4 + years working on large‑scale ML codebases.

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• Hands‑on with PyTorch, JAX or TensorFlow; comfortable with distributed training (DeepSpeed / FSDP / SLURM / K8s).

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• Experience in deep learning, NLP or LLMs; bonus for CUDA or data‑pipeline chops.

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• Strong software‑design instincts: testing, code review, CI/CD.

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• Self‑starter, low‑ego, collaborative.

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nBenefitsnFrancen

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• Competitive cash salary and equity

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• …