Senior Staff Machine Learning Engineer, Post Training

Airbnb is a global travel platform that connects hosts and guests through stays and experiences. The Senior Staff Machine Learning Engineer will fine-tune, optimize, evaluate, and productionize large language models and AI pipelines at scale, while driving AI architecture and long-term technical strategy for products such as AI assistants, autonomous agents, recommendations, and travel planning.

Responsibilities:

• Work with large scale structured and unstructured data; explore, experiment, build and continuously improve foundation models for Airbnb product, business and operational use cases
• Create a multi-year tech roadmap that enables our team to stay on the leading edge of the rapidly evolving AI landscape and leverage the best in class technologies to deliver customer benefits
• Continuously evaluate recent and upcoming large foundational models, ensuring the selection and refinement of the highest quality models for enhanced performance and efficiency
• Hands-on prototype, develop and productionize LLM models and pipelines at scale, including both batch and real-time use cases
• Drive key AI architectural decisions for products, and contribute to Airbnb’s ML platform architecture and strategy

Requirements:

• PhD in Computer Science,  Machine Learning, Mathematics, Statistics, or related technical field
• 10+ years of experience with developing machine learning models and products at scale from inception to business impact
• Programming experience in Python and hands-on experience with frameworks such as PyTorch
• Proven record of training, fine tuning, optimizing models and inference run-time
• Post-training experience in areas like data processing for fine-tuning; responsible LLMs; LLM alignment; reinforcement learning; efficient training and inference; language model evaluation; and/or multilingual and multimodal modeling
• Or specialized experience in runtime optimizations, model quantization, compression, on-device inference, GPU inference, pytorch, kernel development
• This position is US - Remote Eligible. The role may include occasional work at an Airbnb office or attendance at offsites, as agreed to with your manager. While the position is Remote Eligible, you must live in a state where Airbnb, Inc. has a registered entity. Click here for the up-to-date list of excluded states. This list is continuously evolving, so please check back with us if the state you live in is on the exclusion list. If your position is employed by another Airbnb entity, your recruiter will inform you what states you are eligible to work from