Applied Scientist / Research Engineer (Internship)

About Mistral

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. 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 needs, whether on-premises or in cloud environments. Our offerings include Le Chat, the AI assistant for life and work. 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. 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 mistral.ai/careers.

Role Summary

Mistral AI is seeking Applied Scientists Interns and Research Engineers 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. This position is open for our local offices in Paris and London.

What you will do

• Run pre-training, post-training and deploy state-of-the-art models on clusters with thousands of GPUs. You should manage out-of-memory issues and NCCL integration.
• Generate and curate data for pre-training and post-training, engage in evaluations, and ensure the model’s performance meets 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 RAG pipelines.
• Manage research projects and communications with client research teams.

About you

• You are fluent in English, with excellent communication skills and the ability to explain complex technical concepts to technical and non-technical audiences.
• You are an expert with PyTorch or JAX.
• You are comfortable contributing to a large codebase and can work independently with minimal guidance.
• You write clean, readable, high-performance, fault-tolerant Python code.
• You are self-motivated and ship without requiring detailed roadmaps or management.
• You are low-ego, collaborative and eager to learn.
• You have a track record of success through personal projects, professional projects or in academia.

It would be great if

• You are pursuing a PhD or master's in a relevant field (e.g., Mathematics, Physics, Machine Learning), but exceptional candidates from other backgrounds are encouraged to apply.
• We’d love to have you for at least 3 months, ideally 6 months. We prioritise candidates who are about to finalise their studies.
• You can bring a variety of research experiences, such as working with agents, multi-modality, robotics, diffusion models, or time-series analysis.
• You have contributed to a large codebase used by many (open source or in the industry).
• You have a track record of publications in top academic journals or conferences.
• You enjoy improving existing code by fixing typing issues, adding tests and enhancing CI pipelines.
• We warmly welcome applicants of every gender, background, and life experience.

Benefits

• Competitive salary
• Food: Daily lunch vouchers
• Sport: Monthly contribution to a Gympass subscription
• Transportation: Monthly contribution to a mobility pass

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