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 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
- 5+ 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 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.