Research Engineer, Machine Learning — Opportunihub
Job

Research Engineer, Machine Learning

Mistral.ai · Paris

At a glance

Type
Job
Organisation
Mistral.ai
Location
Paris
Work mode
On-site
Deadline
Rolling / not stated
Posted
26 Oct 2026

About this job

<h2><strong>About Mistral</strong></h2><p style="min-height:1.5em">Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.</p><p style="min-height:1.5em">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 Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.</p><p style="min-height:1.5em"></p><h2><strong>About the Research Engineering team</strong></h2><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">The team spans <strong>Platform</strong> (shared infra &amp; clean code) and <strong>Embedded </strong>(inside research squads). Engineers can move along the research↔production spectrum as needs or interests evolve.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">As a Research Engineer – ML track, you’ll build and optimise the large-scale learning systems that power our open-weight models. Working hand-in-hand with Research Scientists, you’ll either join:</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">- Platform RE Team: Enhance the shared training framework, data pipelines and cluster tooling used by every team; or</p><p style="min-height:1.5em">- Embedded RE Team: Sit inside a research squad (Alignment, Pre-training, Multimodal, Safety …) and turn fresh ideas into repeatable, scalable code.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>What You Will Do</strong></p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">• Accelerate researchers by taking on the heavy parts of large-scale ML pipelines and building robust tools.</p><p style="min-height:1.5em">• Interface cutting-edge research with production: integrate checkpoints, streamline evaluation, and expose APIs.</p><p style="min-height:1.5em">• Design, implement and benchmark ML algorithms; write clear, efficient code in <strong>Python</strong>.</p><p style="min-height:1.5em">• Deliver prototypes that become production-grade components for <em>Vibe</em> and our enterprise API.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>What We're Looking For</strong></p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">• Master’s or PhD in Computer Science (or equivalent proven track record).</p><p style="min-height:1.5em">• 4 + years working on large-scale ML codebases.</p><p style="min-height:1.5em">• Hands-on with PyTorch, JAX or TensorFlow; comfortable with distributed training (DeepSpeed / FSDP / SLURM / K8s).</p><p style="min-height:1.5em">• Experience in deep learning, NLP or LLMs; bonus for CUDA or data-pipeline chops.</p><p style="min-height:1.5em">• Strong software-design instincts: testing, code review, CI/CD.</p><p style="min-height:1.5em">• Self-starter, low-ego, collaborative.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"></p><h2><strong>What We Offer</strong></h2><p style="min-height:1.5em">We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.</p><p style="min-height:1.5em">For the most up-to-date details on benefits available in your location, please refer to our <a target="_blank" rel="noopener noreferrer nofollow" href="https://app.notion.com/p/mistralai/Benefits-at-Mistral-36e6ba59a7fe836b93dd01737fcc27ef?source=copy_link">Benefits page</a>.</p><p style="min-height:1.5em"></p><h2><strong>Privacy Policy</strong></h2><p style="min-height:1.5em">Your privacy matters to us. You can learn more about how we handle your personal data in our <a target="_blank" rel="noopener noreferrer nofollow" href="https://legal.mistral.ai/terms/applicant-privacy-policy"><u>Applicant Privacy Policy</u></a>.</p><p>Find <a href="https://www.arbeitnow.fr">Jobs in France</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Mistral.ai’s official page.
  4. 4 Submit as early as possible — many close once filled.
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Frequently asked questions

How do I apply for Research Engineer, Machine Learning?

Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Mistral.ai’s official page.

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This opportunity is based in Paris. Check the official listing for any relocation or on-site requirements.

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