Principal Machine Learning Engineer- LLM Fine-tuning and Optimization is open at Airbnb in United States. The posting gives a salary of $292K - $365K. Posted on May 24, 2026, and still on Airbnb’s careers page when we last checked, on Nov 14, 2026.
About the role
As a principal machine learning engineer, you will be responsible for fine-tuning state-of-the-art LLMs for diverse use cases while optimizing models for high-performance deployment on Airbnb’s ML Infrastructure. You will partner with product managers, software engineers, data scientists and operation teams to brainstorm, design and develop AI products such as AI Assistant, Autonomous agent, recommendation, travel…
The opening lines of the posting. The rest is on Airbnb’s careers page.
Hiring at Airbnb
Airbnb has 214 open roles right now, 22 of them remote. Most are in Engineering, Sales & Business Development and Marketing & Community. The median advertised salary across its roles with a published range is $220K. See all its roles
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