Open-Source Software, Machine Learning Engineer at Mistral
May no longer be active — verify on the employer site
At a glance
- Company
- Mistral
- Location
- France
- Work arrangement
- On-site
- Employment type
- Full-time
- Experience
- 2–5 years
- Working hours
- 40 hours
- Visa sponsorship
- Offered, according to the listing
- Posted
- Added to The Stack
✨ The Stack take on this Mistral job
- 🏢 Mistral has 25 jobs here, 25 with visa sponsorship see all
- 🛂 Visa: Talent passport. EU Blue Card salary: €59,373 a year (1.5 times the average salary) guide
- 💡 No salary shown. Ask Mistral if it is above the minimum.
Updated 2026-11-05, from our data and official sources.
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About the role
Responsibilities:
- Publish and maintain open-source models and libraries on platforms like GitHub and Hugging Face.
- Develop internal and external tooling (training pipelines, inference helpers, docs, examples) to support research and users.
- Improve library performance, reliability and accuracy; implement profiling and optimization for training and inference.
- Collaborate with research, engineering and external OSS communities to incorporate feedback and contributions.
- Ensure production readiness: tests, CI, packaging and deployment guidance.
Requirements:
- Master’s degree in Computer Science, Machine Learning, Data Science or equivalent experience.
- Demonstrated contributions to prominent ML OSS projects (PyTorch, Transformers, vLLM, Hugging Face).
- Strong Python, PyTorch and MLOps experience; familiarity with fine-tuning, distillation and inference optimization.
- Experience with GPU cluster tooling (Slurm or cloud), CI/CD, testing and performance benchmarking.
- Good documentation, collaboration and open-source community engagement skills.
Responsibilities
Responsible for open-sourcing state-of-the-art models and maintaining Mistral's publicly available libraries. This includes implementing and optimizing internal and external tooling to ensure production readiness and performance.
Requirements
Requires a Master's degree in Computer Science or a related field with expert skills in Python, PyTorch, and MLOps. Candidates should have a proven track record of contributing to popular open-source ML libraries and a deep understanding of LLMs.
Key skills
- Python — in 1200 other listings on The Stack
- PyTorch — in 92 other listings on The Stack
- MLOps — in 72 other listings on The Stack
- Large Language Models — in 46 other listings on The Stack
- Open-Source Contribution — not in any other listing on The Stack
- vLLM — in 8 other listings on The Stack
- Hugging Face — in 3 other listings on The Stack
- GitHub — in 25 other listings on The Stack
- Slurm
- Fine-tuning
- Distillation
- Supervised Fine-tuning
- Policy Optimization
- Machine Learning Algorithms
- Software Engineering
- Data Science
On The Stack (as of 2026-11-05)
Frequently asked questions about Mistral
Is this Open-Source Software, Machine Learning Engineer role still open?
It was posted on 2026-04-22. Listings more than 30 days old may no longer be active, so check Mistral's site before applying.
Does Mistral offer visa sponsorship?
This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Mistral's site.
Where is this role located?
The listing gives the location as France. It is marked on-site.
What skills does this role ask for?
The listing names: Python, PyTorch, MLOps, Large Language Models, Open-Source Contribution, vLLM, Hugging Face, GitHub, Slurm, Fine-tuning, Distillation, Supervised Fine-tuning, Policy Optimization, Machine Learning Algorithms, Software Engineering, Data Science.