CareerPlan

Senior Staff Machine Learning Engineer

USARemoteFull-time$248k2026-10-12 → 2026-11-10
Based in United States

Core

Fine-tuning state-of-the-art LLMs and optimizing models for high-performance deployment on Airbnb's ML Infrastructure to drive Customer Support x AI initiatives.

Role type

Principal machine learning engineer (Generative AI/LLMs)

Builds

AI products including AI Assistant, Autonomous agents, recommendation systems, and travel planning tools

Domain

Travel industry + Generative AI / Large Language Models

Deliverable

production ML models

Required skills

LLM fine-tuning, model optimization, inference runtime optimization, PyTorch, data processing for fine-tuning, LLM alignment, reinforcement learning, model evaluation, multilingual/multimodal modeling

Preferred skills

Model quantization, compression, on-device inference, GPU inference, kernel development

Technologies

PyTorch, LLMs, RAG/Search

Responsibilities

Create a multi-year tech roadmap for AI landscape evolution; evaluate and refine foundational models; prototype, develop, and productionize LLM models and pipelines at scale; drive key AI architectural decisions

Seniority

Principal, hands-on IC with strategy & mentorship