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Machine Learning Engineer

reddit • San Francisco, CA, US • published 2026-10-06 07:33:52.747329

Description

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000\+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com. **Job Duties:** Design, build, and maintain scalable ML infrastructure to support notification relevance, targeting, ranking, and personalization across channels (e.g. push, email, in\-app notifications) for millions of users. Architect and implement end\-to\-end ML pipelines for notifications, including data ingestion, feature computation, model training, evaluation, deployment, and online serving in production environments. Collaborate cross\-functionally with data scientists, product managers, and engineers across teams to define requirements, align on priorities, and deliver end\-to\-end notification solutions. Lead design and implementation of experimentation frameworks (e.g. A/B testing, multi\-armed bandits, or similar methods) ...

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