Senior Machine Learning Engineer

Job Description Job Title: Senior Machine Learning Engineer Location: United States - remote Salary: 150k- 300k+ equity Visa: Not specified Fluency in Chinese/Mandarin is required, so only reach out exclusively to candidates of Chinese ethnic background. What you will ownBuild 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.Requirements5+ years industry experience building production ML systems with senior ownership.Bachelor's degree from a recognized university in China is required 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 filters5+ 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 fitBuild 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 MLBonus signal: recommendation systemsBonus signal: search rankingBonus signal: embedding retrievalAnti-signalsCannot show core Senior Machine Learning Engineer, Recommendation experienceNot comfortable with the listed work modeLow ownership, coordination-only, or no shipped examples