Staff ML Engineer — LLM & RAG Architect

MediaAlpha, a customer acquisition technology company, seeks a Staff Machine Learning Engineer to lead the design and deployment of LLM-powered applications for internal teams and the ad-serving platform. You will own end-to-end systems, drive RAG architectures, tooling patterns, and multi-step reasoning, and mentor engineers to raise the team's quality.

You will design, implement, and integrate LLM-based services, collaborating with product and business stakeholders while maintaining strong