Senior ML Engineer (Remote) - Recommender & Search Lead

AHU Technologies Inc.; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

AHU Technologies Inc. is seeking a Senior Machine Learning Engineer for a fully remote role based in the United States.

You will own end-to-end ML systems, from model development to production, with a strong focus on discovery, recommendation, search, and content continuation. Collaborate with product and engineering teams to design, launch, and analyze experiments; implement two-tower models, embedding retrieval, candidate generation, and ranking; and optimize online/offline evaluation to

Qualifications

• 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.

Responsibilities

• 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.

Skills

Production ML systems

Senior ownership

Recommendation systems

Search ranking

Two-tower models

Embedding retrieval

Online/offline evaluation

Education

Bachelor's degree (China)

Job description

AHU Technologies Inc. is seeking a Senior Machine Learning Engineer for a fully remote role based in the United States.

You will own end-to-end ML systems, from model development to production, with a strong focus on discovery, recommendation, search, and content continuation. Collaborate with product and engineering teams to design, launch, and analyze experiments; implement two-tower models, embedding retrieval, candidate generation, and ranking; and optimize online/offline evaluation to