Airbnb is hiring a Machine Learning Engineer, Assistance Engineering to join the Core ML team in Assistance Engineering. This is a US – Remote Eligible role. Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe.

The Community You Will Join:

Machine Learning and Artificial Intelligence are at the heart of the Airbnb product. From Trust to Payments, and from Customer Service to Marketing, we rely on ML to ensure that guests and hosts have the best possible experience with Airbnb. The Core ML team in Assistance Engineering is the team responsible for adopting the Agentic AI technologies to enable an intelligent, scalable and exceptional customer service experience. We are responsible for developing the Chat AI Assistant, Voice AI Assistant and more. The team is constantly exploring the state-of-the-art Agentic architecture, develops and enhances various AI models and ML services, and leverages tools including SFT, Reinforcement learning, Distillation, RAG/Search, LLM evaluation and testing automation, feedback-based learning and guardrails for a wide range of applications in Airbnb.

The Difference You Will Make:

We believe our current customer experiences in these domains are only scratching the surface of the innovations that are possible, and that science is at the heart of delivering a step-function change for our Guest and Host on Airbnb. You will build and leverage cutting edge AI technologies to transform Airbnb’s customer service by delivering personalized, easy-to-use and proactive customer service experience. Many of the initiatives you’ll tackle are in their early conceptual stages. You will have the opportunity to shape these ideas from inception to production, turning visionary concepts into impactful realities.

A Typical Day:

• Champion the development of novel ML systems, product integrations, and performance optimizations
• Work cross-functionally with product, design, and other engineering counterparts to design and build ML systems
• Learn and share the latest AI/ML technologies with the team

Your Expertise:

• PhD or Master’s degree w/ 3+ YOE in Computer Science, Machine Learning, Artificial Intelligence, or a related field
• Hands-on expertise in LLM, including pretraining, fine-tuning (SFT, RLHF, GRPO), prompt engineering
• Experience building Agentic AI systems – including multi-agent orchestration, tool-use, and planning
• Experience of shipping production-grade ML/AI systems at scale
• Excellent communication skills with the ability to collaborate effectively across Engineering, Product and Design

Your Location: This position is US – Remote Eligible. The role may include occasional work at an Airbnb office or attendance at offsites, as agreed with your manager.

Pay Range: $162,000 – $186,000 USD. Our job titles may span more than one career level. The actual base pay is dependent upon many factors.

Source: Airbnb. Apply here: https://careers.airbnb.com/positions/7826337?gh_jid=7826337