Applied Scientist/Research Engineer, EMEA

Mistral; Paris; Hybrid; EUR 90,000 - 150,000; Full time

Benefits offered by this job

Healthcare coverage

Parental leave

Retirement plans

Relocation support

Wellness programs

Meal and transportation allowances

Job summary

Mistral invites applications for an Applied Scientist/Research Engineer to drive research on text, image, and speech models, collaborating with science, engineering and product teams to deliver AI solutions with tangible impact.

You will run pre-training, evaluations and deployment at scale, contribute to a large codebase in Python with PyTorch or JAX, and explain complex ideas to both technical and non-technical audiences in fluent English.

Qualifications

• Fluent in English with ability to explain complex concepts to diverse audiences.
• Expert with PyTorch or JAX.
• Proven ability to navigate large codebases independently with minimal guidance.
• Writes clean, readable, high-performance Python code.
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Responsibilities

• Run pre-training, post-training and deploy state-of-the-art models on clusters with thousands of GPUs.
• Generate and curate data for pre-training and post-training, evaluating model performance against expectations.
• Develop tools and frameworks to enable data generation, training, evaluation and deployment.
• Collaborate with cross-functional teams to tackle complex use cases using agents and retrieval pipelines.
• Manage research projects and communications with client research teams.

Skills

English fluency

Python

PyTorch

JAX

Independent contributor

Collaborative mindset

Education

PhD / Master in ML related field

Research experience in ML domains

Tools

Python tooling

Job description

About Mistral

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.

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.

The Role

As an Applied Scientist/Research Engineer on the Mistral AI research team, you will drive key research efforts and partner with clients to solve challenging problems in artificial intelligence. Your work will focus on building and applying advanced models across text, image, and speech, aiming to deliver real, measurable impact. Collaborating closely with internal and external teams in science, engineering, and product, you will play a central role in developing AI solutions with tangible results.

What You Will Do

• Run pre-training, post-training and deploy state of the art models on clusters with thousands of GPUs.
• Generate and curate data for pre-training and post-training, working on evaluations and making sure the model's performance beats expectations.
• Develop the necessary tools and frameworks to facilitate data generation, model training, evaluation and deployment.
• Collaborate with cross-functional teams to tackle complex use cases using agents and retrieval pipelines.
• Manage research projects and communications with client research teams.

What We're Looking For

• Fluent in English with excellent communication skills - at ease explaining complex technical concepts to both technical and non-technical audiences.
• Expert with PyTorch or JAX.
• Not afraid of contributing to a big codebase; finds their way around independently with little guidance.
• Writes clean, readable, high-performance, fault-tolerant Python code.
• Doesn't need roadmaps: moves independently and navigates uncertainty with confidence.
• Low-ego, collaborative and eager to learn.
• Track record of success through personal projects, professional projects or academia.

Nice to have

• PhD / Master in a relevant field (Mathematics, Physics, Machine Learning) - exceptional candidates from other backgrounds welcome.
• Research experience in agents, multimodal models, world models, robotics, diffusion models, cybersecurity, 3D understanding/generation, or time-series analysis.
• Contributions to a large open-source or industry codebase.
• Publications in top academic journals or conferences.
• Enjoys improving existing code: typing, tests, CI pipelines.

What We Offer

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.

For the most up-to-date details on benefits available in your location, please refer to our Benefits page.

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