Senior Staff ML Engineer, Search & Recommendation
Core
Design and build large-scale AI-driven search and recommendation systems to deliver real answers and perspectives from Reddit's user-generated content.
Role type
Senior Staff ML Engineer (Search & Recommendation)
Builds
End-to-end search relevance systems, LLM-based answers, and RAG pipelines for Reddit Search.
Domain
Internet / Search & Recommendation / Large-scale AI
Deliverable
production ML models
Required skills
Large-scale search and recommendation systems, LLM production deployment, lexical and semantic retrieval, PyTorch or Tensorflow, Python, Golang
Preferred skills
Agentic AI frameworks
Technologies
PyTorch, Tensorflow, LLMs, RAG
Responsibilities
Design AI-driven search experiences, drive vision for search relevance, enhance retrieval and ranking, build and scale search indexes, mentor senior and staff engineers, influence org-wide technical direction.
Seniority
Senior Staff, hands-on IC with strategic influence
