Job Title: Senior Machine Learning Engineer
Location: United States (Remote)
JD in One Line
Own recommendation, search, ranking, retrieval, and discovery for a consumer content ecosystem.
What You Will Own
- ย Build recommendation and search across feed, discovery, search, and content continuation.ย
- ย Own retrieval and ranking systems, including candidate generation, embeddings, two-tower models, feature engineering, and serving quality.ย
- ย Design, launch, and analyze recommendation and search experiments.ย
Requirements
- ย 5+ years of industry experience building production ML systems with senior-level ownership.ย
- ย Hands-on experience with recommendation, search, ranking, ads ranking, feed ranking, or content discovery systems.ย
- ย Experience working on consumer applications, entertainment, social media, gaming, creator platforms, or other engagement-driven products.ย
- ย Strong knowledge of two-tower models, embedding retrieval, candidate generation, ranking systems, and online/offline evaluation.ย
Hard Filters
- ย 5+ years of industry experience building production ML systems with senior-level ownership.ย
- ย Hands-on experience with recommendation, search, ranking, ads ranking, feed ranking, or content discovery systems.ย
- ย Experience with consumer applications, entertainment, social, gaming, creator, or engagement-driven products.ย
- ย Expertise in two-tower models, embedding retrieval, candidate generation, ranking, and online/offline evaluation.ย
- ย Fluency in Chinese (Mandarin) is required.ย
Strong Fit
- ย Built recommendation and search systems across feed, discovery, search, and content continuation.ย
- ย Owned retrieval and ranking systems, including candidate generation, embeddings, two-tower models, features, and serving quality.ย
- ย Designed, launched, and analyzed recommendation/search experiments.ย
Bonus Signals
- ย 5+ years of production ML experience.ย
- ย Strong background in recommendation systems.ย
- ย Experience with search ranking.ย
- ย Experience with embedding retrieval.ย
Anti-Signals
- ย Cannot demonstrate core Senior Machine Learning Engineer experience focused on recommendation systems.ย
- ย Not comfortable with the specified remote work arrangement.ย
- ย Primarily coordination-focused with limited technical ownership or no shipped production examples.ย
Interview Process
- ย Initial recruiter screen.ย
- ย Senior Machine Learning Engineer (Recommendation) technical/product deep dive.ย
- ย Team/founder conversation.ย
Culture
- ย AI-native, fast-paced startup environment with strong ownership expectations.ย
- ย Focus on building consumer AI products at the intersection of AI, social, mobile, and interactive entertainment.ย
- ย Looking for engineers who ship quickly, learn from users, and take end-to-end ownership.
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This is a remote position.