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Senior Machine Learning Engineer, Assistance Engineering

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. Every day, hosts

Company

Airbnb

Location

Remote-USA

Status

Open

Posted

2026-06-18T17:34:30+00:00

Airbnb's Assistance Engineering ML team is hiring a senior engineer to apply agentic AI to customer service, building a chat assistant, voice assistant and human-agent assistant. The work covers LLM pretraining and fine-tuning (SFT, RLHF, GRPO), prompt engineering, retrieval-augmented generation, multi-agent orchestration with tool use and planning, and LLM evaluation, plus production ML systems and MLOps. The posting asks for a PhD or master's with six or more years of experience, or equivalent industry experience. It is US-remote; many initiatives are early-stage.