Machine Learning Engineer - Recommendation Systems - Mandarin Required
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AI Summary
Own the recommendation, search, ranking, and discovery systems for Sekai's content ecosystem. Design, launch, and analyze experiments to improve retrieval and serving quality.
JD in one line
Own recommendation, search, ranking, retrieval, and discovery for Sekai’s content ecosystem.
What you will own
· Build recommendation and search across feed, discovery, search, and content continuation.
· Own retrieval/ranking: candidate generation, embeddings, two-tower models, features, and serving quality.
· Design, launch, and analyze recommendation/search experiments.
Requirements
· years industry experience building production ML systems with senior ownership.
· 5+ Hands-on recommendation, search, ranking, ads ranking, feed ranking, or content discovery systems.
· Consumer apps, entertainment, social, gaming, creator, or engagement-driven products.
· Two-tower models, embedding retrieval, candidate generation, ranking, and online/offline evaluation.
Hard filters
· 5+ years industry experience building production ML systems with senior ownership.
· Hands-on recommendation, search, ranking, ads ranking, feed ranking, or content discovery systems.
· Consumer apps, entertainment, social, gaming, creator, or engagement-driven products.
· Two-tower models, embedding retrieval, candidate generation, ranking, and online/offline evaluation.
Strong fit
· Build recommendation and search across feed, discovery, search, and content continuation.
· Own retrieval/ranking: candidate generation, embeddings, two-tower models, features, and serving quality.
· Design, launch, and analyze recommendation/search experiments.
Bonus:
Bonus signal: 5+ years production ML
Bonus signal: recommendation systems
Bonus signal: search ranking
Bonus signal: embedding retrieval
Anti-signals
· Cannot show core Senior Machine Learning Engineer, Recommendation experience
· Not comfortable with the listed work mode
Low ownership, coordination-only, or no shipped examples
This is a remote position.
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