Hugging Face
Open-Source Machine Learning Engineer - US Remote
New York, New York · Remote · Full-time · Posted May 29, 2026
About the job
Improve Hugging Face’s open-source machine-learning libraries and help users and contributors build and use tools across the ML ecosystem.
What you'll do
- Develop and improve open-source machine-learning libraries, including Transformers, Datasets, PyTorch, and vLLM.
- Collaborate with researchers, ML practitioners, data scientists, users, and contributors through GitHub, forums, and Slack.
- Help foster the open-source community and make complex technology more accessible.
What they ask for
- Strong Python skills and experience writing clean, well-tested, maintainable library code.
- Deep hands-on experience with a modern deep-learning framework, especially PyTorch; practical experience with the Hugging Face open-source stack or comparable ML libraries.
- Public track record of open-source contributions, such as merged pull requests to ML or data libraries.
- Solid understanding of modern machine learning and deep learning, including transformer architectures; experience collaborating in technical communities and fluent written English.
Nice to have
- Experience maintaining an open-source project or prior contributions to Transformers, Datasets, Accelerate, or similar libraries.
- Familiarity with distributed training, inference optimization, GPU/accelerator performance, or training or fine-tuning models at scale.
Tools
Python, PyTorch, JAX, TensorFlow, Transformers, Datasets, Accelerate, vLLM
AI focus
Improve open-source machine-learning tools and make AI technology more accessible; work may involve model training, fine-tuning, distributed training, inference optimization, or GPU/accelerator performance.
Model-written summary · the original posting is authoritative