Senior Machine Learning Engineer, Assistance Engineering

Airbnb is a hospitality and travel technology company that uses machine learning and artificial intelligence across its products and services. The Senior Machine Learning Engineer will develop agentic AI systems, ML services, and product integrations to transform customer service, taking initiatives from concept through production and collaborating cross-functionally with product, design, and engineering teams.

Responsibilities:

• 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 CS products
• Learn and share the latest AI/ML technologies with the team

Requirements:

• • 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
• While the position is Remote Eligible, you must live in a state where Airbnb, Inc. has a registered entity