Senior ML Engineer, Agentic AI & LLM Systems (Remote)

Airbnb; United States; Remote; USD 196,000 - 227,000; Full time

Job summary

Airbnb is advancing its ML and AI capabilities to transform customer service. You will develop novel ML systems and agentic AI solutions, collaborating with product, design, and engineering teams to deliver scalable, customer-focused AI experiences.

You will influence from concept to production, applying state-of-the-art models, tooling, and evaluation methods while mentoring teammates and shaping the roadmap for Airbnb's Assistance Engineering team.

Qualifications

• PhD or Master's degree in Computer Science, Machine Learning, Artificial Intelligence, or related field.
• 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.

Responsibilities

• 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 efficient AI solutions for Airbnb CS products.
• Learn and share the latest AI/ML technologies with the team.

Skills

LLM expertise

Agentic AI systems design

Production-ready ML

Cross-functional collaboration

Strong communication

Education

PhD or Master's in CS/ML/AI

Tools

SFT

RLHF

GRPO

Prompt engineering

RAG architectures

Job description

Airbnb is advancing its ML and AI capabilities to transform customer service. You will develop novel ML systems and agentic AI solutions, collaborating with product, design, and engineering teams to deliver scalable, customer-focused AI experiences.

You will influence from concept to production, applying state-of-the-art models, tooling, and evaluation methods while mentoring teammates and shaping the roadmap for Airbnb's Assistance Engineering team.