Senior Staff Machine Learning Engineer, Post Training at Airbnb

Department: Software Engineering

Compensation

$248,000 – $310,000/yr

Setup: Remote
Type: Full-time
Level: staff+
Posted: May 5, 2026

Description

Airbnb is hiring a Senior Staff Machine Learning Engineer for its CS AI product team to fine-tune and optimize large language models for customer support, autonomous agents, recommendations, travel planning, and other AI products. The role involves building and productionizing LLM pipelines, evaluating models, contributing to ML platform architecture, and creating a multi-year technology roadmap. It requires a PhD in a relevant technical field, 10+ years of experience developing machine learning models and products at scale, Python and PyTorch expertise, and experience with LLM training, alignment, evaluation, or runtime optimization. The position is US-remote eligible, may include occasional office or offsite work, and pays $248,000–$310,000 USD annually.

Required Skills

Python
PyTorch
LLM fine-tuning
LLM alignment
RAG/Search
Model quantization
GPU inference

Additional Information

Minimum Education: PhD in Computer Science, Machine Learning, Mathematics, Statistics, or a related technical field
Required Previous Experiences: 10+ years developing machine learning models and products at scale
Experience training, fine-tuning, optimizing models, and inference runtime
Post-training experience in LLM data processing, alignment, reinforcement learning, evaluation, or multimodal modeling
Specialized experience in runtime optimization, quantization, compression, inference, PyTorch, or kernel development
Translation Company Name: Airbnb