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# Open-Source Machine Learning Engineer

- **Company:** Hugging Face
- **Location:** Paris, France
- **Contract:** Permanent contract
- **Skills:** Distributed Computing Environment, Github, Python (Programming Language), Machine Learning, Open Source Technology, Inference Optimization, Tensorflow, Pytorch, Deep Learning, Scikit Learn, HuggingFace, Transformer Architectures, Discord
- **Published:** October 29, 2026
- **Apply:** https://www.welcometothejungle.com/en/companies/hugging-face/jobs/open-source-machine-learning-engineer_paris_iu62f372

## About the Role

* You have a public track record of open-source work, and you enjoy collaborating with a community out in the open on GitHub
 * You love open source, you're passionate about making complex technology more accessible, and you want to contribute to one of the fastest-growing ML ecosystems. If that's you, we can't wait to see your application
 * Experience collaborating with a technical community in the open (GitHub issues and reviews, forums, Slack or Discord)
 * Fluent written English for asynchronous collaboration across a distributed, global community
 * Solid understanding of modern machine learning and deep learning, including transformer architectures
 * Practical experience with the Hugging Face open-source stack (Transformers, Datasets, Accelerate) or comparable ML libraries
 * A public track record of open-source contributions, for example merged pull requests to ML or data libraries, that we can review on GitHub
 * Deep hands-on experience with a modern deep-learning framework, especially PyTorch (JAX or TensorFlow a plus)
 * Strong Python skills, with experience writing clean, well-tested, maintainable library code
 * If you're interested in joining us but don't tick every box above, we still encourage you to apply
 * Prior contributions to Transformers, Datasets, Accelerate, or similar libraries
 * Familiarity with distributed training, inference optimization, or GPU/accelerator performance work
 * Experience maintaining an open-source project
 * Experience training or fine-tuning models at scale

## Description

* As an Open-Source Machine Learning Engineer, you'll work to improve the open-source machine learning ecosystem
 * You'll mainly work on existing open-source libraries such as Transformers, Datasets, Pytorch and vLLM, and you'll interact with users and contributors across the broad open-source ML ecosystem
 * We'll brainstorm with you to put you in a position to do the work that interests you and that is impactful
 * You'll help foster one of the most active machine learning communities, helping users contribute to and use the tools you buil
 * You'll work with researchers, ML practitioners, and data scientists every day through GitHub, our forums, and Slack