# Senior Staff Machine Learning Engineer, Post Training at Airbnb

Airbnb is seeking a Senior Staff Machine Learning Engineer to lead post-training initiatives within its Customer Support AI team. You'll focus on fine-tuning and optimizing large language models for diverse applications across the platform, from AI assistants and autonomous agents to recommendation and travel planning tools. Working with massive datasets, you'll prototype and deploy LLM pipelines at scale while shaping multi-year technical roadmaps that keep Airbnb at the forefront of generative AI innovation.

This role suits experienced ML practitioners with deep expertise in LLM post-training—whether that's fine-tuning, alignment, reinforcement learning, model evaluation, or efficient inference. You should have a PhD in a technical field like Computer Science or Machine Learning, plus 10+ years building production ML systems from conception through business impact. Strong Python and PyTorch proficiency is essential, along with hands-on experience optimizing models and deploying them at runtime.

The position is remote-eligible across the US, though occasional office visits and offsites may occur by agreement with your manager. You'll need to reside in a state where Airbnb maintains a registered entity.

Location: Remote - USA

Apply: https://getfoundi.com/apply/senior-staff-machine-learning-engineer-post-training-airbnb-f5adc645

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