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Applied Scientist Internship

Mistral AI
entry-level
Location

London, United Kingdom

Work Type

Onsite

Seniority

entry-level

Posted

September 2, 2026


Total Compensation
€81,250
Yearly Savings (Comfortable)
€-6,668
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Job Description

Who you are

  • 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
  • Pursuing a PhD / Master in a relevant field (Mathematics, Physics, Machine Learning) — exceptional candidates from other backgrounds welcome
  • Preferred duration: at least 6 months. Priority to candidates about to finalise their studies
  • 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 the job involves

  • Mistral AI is seeking Applied Scientist Interns and Research Engineer Interns to drive innovative research and collaborate with clients on complex research projects
  • You will develop SOTA models across different modalities such as text, image, and speech. By developing novel methods and research ideas you will apply these models across a diverse set of use cases and domains. Working cross-functionally with both external and internal science, engineering, and product teams you will deliver high-impact AI solutions that turn the needle
  • 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

Benefits

  • Competitive bonus structure
  • Equity
  • Opportunities for professional growth and development
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