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Applied Scientist (Internship in Paris or London)

Mistral AISeoulSolutions
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Salary
Not listed
Job type
Full-time
Posted
18 Sept 2026
Status
Open · checked 7d ago

About this role

Mistral AI is hiring Applied Scientist Interns for a unique six-month opportunity based in Paris or London, with a direct pathway to a full-time position in the new Seoul office. This role suits ambitious candidates based in Korea who want to develop cutting-edge multimodal artificial intelligence models and transition into a permanent role locally.

Role Overview

The Applied Scientist Internship is a six-month program starting in Paris or London, featuring visa sponsorship and relocation support. Upon successful completion, interns will transition into full-time team members at the newly established Seoul office. The position involves creating state-of-the-art models spanning text, image, and speech modalities, applying novel research to complex domain-specific use cases, and collaborating closely with cross-functional product and engineering groups.

Key Responsibilities

Execute pre-training, post-training, and deployment procedures for state-of-the-art models on large-scale clusters containing thousands of GPUs.
Generate and curate datasets for model training and evaluation while ensuring performance metrics exceed expectations.
Build internal tools and frameworks that streamline data generation, model training, evaluation, and deployment processes.
Partner with cross-functional colleagues to solve sophisticated technical challenges involving retrieval pipelines and agents.
Handle research project management and maintain communications with external client research teams.

Requirements

Fluent in English with strong communication skills capable of explaining technical topics to diverse audiences.
Expert proficiency utilizing PyTorch or JAX.
Independent problem-solver comfortable navigating large codebases and high uncertainty without a strict roadmap.
Capable of writing clean, readable, high-performance, fault-tolerant Python code.
Demonstrable track record of achievement through academic, personal, or professional projects.
Candidates must be based in Korea and remain eligible to work there following the internship.

Nice to Have

Current enrollment in or completion of a Master's or PhD degree in relevant disciplines such as Machine Learning, Physics, or Mathematics.
Research background in areas like agents, multimodal models, robotics, diffusion models, world models, time-series analysis, cybersecurity, or 3D generation.
Prior contributions to major industry or open-source codebases.
Authored publications in top-tier academic conferences or journals.
Passion for enhancing existing codebases through typing, testing, and CI pipelines.

Skills and Tools

Python
PyTorch
JAX
Large-scale GPU clusters
Retrieval pipelines and agents

Salary and Benefits

Relocation support and visa sponsorship provided for the initial duration in Paris or London.
Comprehensive benefits package depending on location, which may include healthcare, retirement plans, parental leave, wellness initiatives, and commuting allowances.

About the Company

Mistral AI delivers full-stack artificial intelligence solutions ranging from foundational models to developer tools and enterprise applications. The company partners with high-stakes sectors like healthcare, finance, manufacturing, defense, and the public sector to co-create customized systems. Driven by a collaborative, low-ego, and dynamic team culture, the organization maintains a distributed workforce spanning Asia, Europe, North America, and the Middle East.

How to Apply

Interested candidates should visit the official company careers page on mistral.ai to submit their application.

Skills and tech stack

Questions candidates ask

Where is this internship located?

The internship spans six months based in Paris or London, with visa sponsorship and relocation support provided. It serves as a direct pathway to a full-time role in the Seoul office.

Who is eligible to apply for this position?

Candidates must be based in Korea and eligible to work in Korea following the completion of the internship.

What technical frameworks are required?

Applicants must be experts in PyTorch or JAX and write clean, fault-tolerant Python code.

What happens after the six-month internship ends?

Successful interns will be offered a permanent, full-time role at the company's new office in Seoul.

What specific AI modalities will interns work on?

Interns will work on state-of-the-art models across various modalities, including text, image, and speech.

Ready to apply?

The application is on the official Mistral AI careers page.

Apply on company site