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AI Scientist Intern - (Internship, Masters or Phd)

Category
Internships
Posted
November 7, 2026
Region
Europe
Country
France
Sector
Technology & AI
Work mode
On-site
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jobs.ashbyhq.com
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Overview

Mistral.ai offers an internship opportunity for an AI Scientist Intern focusing on the pre-training and fine-tuning of large language models. The position involves a six-month duration and is specifically designated for students seeking an end-of-studies internship. Selected interns work alongside experienced scientists to run autonomous work streams, explore state-of-the-art algorithms, design and implement machine learning models, and contribute to the optimization of large language model systems.

Who can apply

Candidates must currently be enrolled in a Master or PhD program at a tier-one engineering school or university. Applicants should possess a high scientific understanding of generative AI, broad knowledge of the AI field, and specific knowledge or interest in fine-tuning and using language models. Required technical qualifications include strong programming skills in Python, experience with deep learning frameworks such as TensorFlow or PyTorch, familiarity with natural language processing techniques, and experience with version control systems and a Linux shell environment. Prior experience with large language models, fine-tuning, or utilizing complex high-performance computing infrastructure is considered ideal.

What you get

The internship provides a duration of six months working in research and development within a collaborative team environment. Additionally, the employer provides a comprehensive benefits package that may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, and meal and transportation allowances, with specific offerings varying by location. Visa sponsorship may also be offered for suitable candidates.

Requirements

Interns are required to execute various tasks including conducting research on natural language processing advancements, designing software for production use, navigating the full machine learning operations technical stack with an emphasis on architecture development and model evaluation, performing data analysis, documenting research findings, and participating in team meetings. Candidates must be available for an onsite assignment.

Key dates

The duration of the internship is established at six months.

About Mistral.ai

Mistral AI is a private artificial intelligence company headquartered in Paris, France, that develops large language models. It was founded in April 2023 by Arthur Mensch, Guillaume Lample and Timothée Lacroix. The company releases both open and proprietary AI models and offers a consumer chatbot, Le Chat. It has partnerships with technology companies such as Microsoft and NVIDIA.

Official website · Source: Wikipedia

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