Senior/Staff Applied Scientist/Research Engineer

Senior/Staff Applied Scientist/Research Engineer

Full-Time 70000 - 90000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Drive AI research and solve complex problems with cutting-edge models.
  • Company: Join a dynamic team at Mistral, leading in full-stack AI solutions.
  • Benefits: Comprehensive benefits, including healthcare, wellness programs, and work-life balance support.
  • Other info: Opportunities for growth in a creative, low-ego environment.
  • Why this job: Make a real impact in AI while collaborating with diverse teams globally.
  • Qualifications: Expertise in PyTorch or JAX, strong Python skills, and collaborative mindset.

The predicted salary is between 70000 - 90000 £ per year.

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 such as 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 a Senior/Staff 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 and post‑training sessions, deploying state‑of‑the‑art models across large GPU clusters.

Generate, curate, and evaluate datasets for model development, ensuring high model performance.

Build and refine tools and frameworks supporting data generation, training, and deployment.

Collaborate with diverse teams to address complex challenges using deep learning agents and retrieval‑augmented generation pipelines.

Lead research projects and maintain clear communication lines with client research groups.

Diagnose and resolve technical challenges in model development and deployment.

Improve existing systems for performance, maintainability, and reliability.

Ensure projects meet or exceed expected outcomes.

What We're Looking For Fluency in English with clear communication skills for technical and non‑technical audiences.

Deep expertise in Py Torch or JAX.

Proven ability to independently contribute to large codebases and write robust Python code.

Experience driving research or engineering projects in personal, academic, or professional settings.

Collaborative approach and openness to feedback.

High initiative, ability to deliver without rigid direction.

Expertise in multiple modalities such as agents, multi‑modality, robotics, diffusion, or time‑series appreciated.

Advanced degree in a relevant field or equivalent experience valued.

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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Senior/Staff Applied Scientist/Research Engineer employer: mistral

Mistral is an exceptional employer located in the vibrant Greater London area, offering a dynamic work culture that fosters innovation and collaboration. Employees benefit from competitive salaries, equity options, comprehensive health insurance, and visa sponsorship, alongside ample opportunities for professional growth within the rapidly evolving field of AI. Joining Mistral means being part of a forward-thinking team dedicated to making a meaningful impact through strategic partnerships with leading publishers and academic institutions.

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Contact Details:

mistral Recruitment Team

We think you need these skills to ace Senior/Staff Applied Scientist/Research Engineer

Fluency in English
Clear Communication Skills
Deep Expertise in PyTorch
Deep Expertise in JAX
Robust Python Coding
Experience in Research or Engineering Projects
Collaborative Approach