Staff Machine Learning Engineer, Notifications Relevance
Core
Designing and implementing large-scale recommendation systems for Reddit's notifications to deliver relevant content, communities, and conversations to users via push, email, and in-app channels.
Role type
Staff Machine Learning Engineer (Notifications Relevance)
Builds
Next-generation notification system serving millions of daily active users
Domain
Social media / Recommendation systems / Generative AI
Deliverable
production ML models
Required skills
Large-scale recommendation systems, candidate retrieval, ranking models, budget optimization, LLM integration, Python, Golang
Preferred skills
State-of-the-art model architectures, production Agentic AI frameworks, notifications experience
Technologies
PyTorch, Tensorflow, LLMs
Responsibilities
Design and implement content discovery algorithms, drive vision for notifications relevance team, enhance core recommendation capabilities, deploy state-of-the-art models at scale, collaborate across disciplines
Seniority
Staff, technical leader & strategy
