Open-Source AI Scientist — Frontier Models & Impact

Mistral AI; Greater London; On-site; GBP 110,000 - 170,000; Full time

Benefits offered by this job

Healthcare coverage

Relocation support

Wellness programs

Job summary

Mistral AI is seeking an AI Scientist to push the boundaries of frontier models and scale cutting-edge AI systems. You will work with a global team to design, build, and deploy models solving real-world problems across reasoning, code, and multimodal applications.

You will collaborate with scientists, engineers, and product teams to ship AI systems with tangible impact, contributing to open-source and practical deployments across diverse domains.

Qualifications

• Publications or open-source contributions in AI.
• Experience with PyTorch or JAX and distributed systems like Ray or Kubernetes.
• Proficiency in Python, Rust, Go, or Java.
• Ability to design complex software systems and productionize them.
• Experience training large transformer models in distributed settings and MLOps stack.

Responsibilities

• Research and develop methods to advance LLM capabilities.
• Build tooling and infrastructure for training, evaluating, and analyzing models at scale.
• Collaborate with scientists, engineers, and product teams to ship AI systems.
• Explore use cases across reasoning, code generation, and multimodal data.
• Work with multimodal data (text, image, speech) to expand model capabilities.
• Optimize distributed training systems for efficiency and scalability.
• Contribute to open-source by releasing frontier models.

Skills

AI frameworks (PyTorch / JAX)

Distributed systems (Ray / Kubernetes)

Programming (Python / Rust / Go / Java

MLOps experience (finetuning/eval/depl

Research publications / OSS

Tools

PyTorch

JAX

Ray

Kubernetes

Job description

Mistral AI is seeking an AI Scientist to push the boundaries of frontier models and scale cutting-edge AI systems. You will work with a global team to design, build, and deploy models solving real-world problems across reasoning, code, and multimodal applications.

You will collaborate with scientists, engineers, and product teams to ship AI systems with tangible impact, contributing to open-source and practical deployments across diverse domains.