Senior Machine Learning Engineer, Customer Support Engineering

• PhD or Master's degree w/ 6+ YOE in Computer Science, Machine Learning, Artificial Intelligence, or a related technical field — or equivalent industry experience
• Hands-on expertise in LLM, including pretraining, fine-tuning (SFT, RLHF, GRPO), prompt engineering, RAG architectures, and LLM evaluation frameworks
• Experience building Agentic AI systems — including multi-agent orchestration, tool-use, planning, memory, and autonomous reasoning pipelines (e.g., ReAct, LangGraph, AutoGen, or similar)
• Experience of shipping production-grade ML/AI systems at scale, with deep understanding of ML infrastructure, model serving, and MLOps best practices
• Excellent communication skills with the ability to collaborate effectively across Engineering, Product, and Design organizations

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.

Airbnb is committed to working with the broadest talent pool possible.

We believe diverse ideas foster innovation and engagement, and allow us to attract creatively-led people, and to develop the best products, services and solutions.

All qualified individuals are encouraged to apply.

We strive to also provide a disability inclusive application and interview process.

If you are a candidate with a disability and require reasonable accommodation in order to submit an application, please contact us at: reasonableaccommodations@airbnb.com .

Please include your full name, the role you’re applying for and the accommodation necessary to assist you with the recruiting process.

We ask that you only reach out to us if you are a candidate whose disability prevents you from being able to complete our online application.

Our job titles may span more than one career level.

The actual base pay is dependent upon many factors, such as: training, transferable skills, work experience, business needs and market demands.

The base pay range is subject to change and may be modified in the future.

This role may also be eligible for bonus, equity, benefits, and Employee Travel Credits.