Senior Machine Learning Engineer

Airbnb's Assistance Engineering ML team is responsible for adopting Agentic AI technologies to enable an intelligent, scalable and exceptional customer service experience. The team develops the Chat AI assistant, Voice AI Assistant, and Human agent Assistant, and explores state-of-the-art agentic architectures, 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.

• Champion the development of novel ML systems, product integrations, and performance optimizations to solve real-world problems.
• Work cross-functionally with product, design, and other engineering counterparts to design and build efficient AI solutions for Airbnb customer service products.
• Learn and share the latest AI/ML technologies with the team.

• PhD or Master's degree with 6+ years of experience 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 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.

Base pay range: $196,000—$227,000 USD. This role may also be eligible for bonus, equity, benefits, and Employee Travel Credits.

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. You must live in a state where Airbnb, Inc. has a registered entity.

Apply through the provided link. For disability accommodations, contact reasonableaccommodations@airbnb.com.