Applied Scientist - Optimisation, EMEA
Mistral AIVisit Mistral AI website
Paris-based AI company building frontier models, AI applications, developer tools, and compute infrastructure for enterprise and public-sector deployments.
Paris, France
About Mistral AI
Mistral AI develops open-weight and commercial language models and provides a full-stack AI platform spanning agents, application development, custom-model training, APIs, and AI cloud infrastructure.
Skills
About the Role
You will post-train state of the art large language models to formulate and solve optimisation problems and apply them to diverse use cases. You will run training on large GPU clusters, curate datasets and benchmarks for operational research, use solvers to build reward signals, and collaborate with client research teams.
Requirements
- Fluent English with excellent communication skills
- Expert with PyTorch or JAX
- Experience training or fine-tuning LLMs for reasoning, code or mathematics
- Strong background in operational research or mathematical optimisation with solvers and modelling languages
- Comfortable contributing to a big codebase independently
- Clean, high-performance, fault-tolerant Python code
Responsibilities
- Run pre-training and post-training and deploy models on clusters with thousands of GPUs
- Generate and curate datasets for optimisation modelling and build evaluators and benchmarks
- Use solvers as verifiers to build reinforcement learning reward signals
- Develop tools and frameworks for data generation, training, evaluation and deployment
- Collaborate with cross-functional teams
- Manage research projects and communications with client research teams
Benefits
- Healthcare coverage
- Parental leave
- Retirement plans
- Relocation support
- Wellness programs
- Meal and transportation allowances