Senior Machine Learning Engineer

Expedia Group is seeking a Senior Machine Learning Engineer to build and operate ML systems for their advertising platform, which generates over $1.3B in annual revenue. This role involves designing and owning high-throughput, low-latency ML systems, building ML infrastructure, automating the ML lifecycle, and developing LLM-powered workflows. The position requires a strong software engineering foundation and experience in production ML systems.

• Design and own high-throughput, low-latency ML systems for advertising
• Build and evolve ML infrastructure and data foundations
• Automate the end-to-end ML lifecycle
• Develop agentic AI and LLM-powered workflows
• Implement ML observability, reliability, and cost guardrails
• Lead technical design and mentor other engineers