Senior ML Engineer - Ad Retrieval & Matching (NLP/Scale)

Apple Inc.; Cupertino (CA); On-site; USD 184,700 - 277,600; Full time

Job summary

Apple Inc. in Cupertino, CA is seeking a Senior Machine Learning Engineer for Matching within Apple Ads to design and implement ML algorithms for our retrieval system, improving ad relevance and scale across services such as the App Store and Apple News.

You will own end‑to‑end ideation, development, testing, and productization of these algorithms, collaborating with product and business leadership. This role requires 4+ years of experience, strong NLP/IR foundations, and a privacy‑conscious,

Qualifications

• 4+ years of experience building ML capabilities at scale across product areas.
• Proven experience in NLP, information retrieval and search.
• Ability to apply research concepts in production‑level code.
• Experience defining clear, testable research hypotheses with business impact.
• Deep understanding of experimental design and online experimentation at scale.
• Experience contributing to or reviewing research for top conferences/publications.
• Master's, or equivalent, in NLP/ML/Statistics/Forecasting/Optimization or RL with production systems exposure.

Responsibilities

• Develop algorithms for our ads retrieval system and iterate on model improvements.
• Own end‑to‑end ideation, development, testing and productization of these algorithms.
• Work with cross‑functional teams to ensure feasibility, privacy compliance, and robustness.
• Present findings across the organization and contribute to strategic roadmap discussions.

Skills

NLP

Information retrieval

Production code

Design of experiments

Online experimentation

Research publications

Collaboration

Education

Master's or PhD in NLP/ML/Statistics/Forecasting/Optimization/RL

Job description

Apple Inc. in Cupertino, CA is seeking a Senior Machine Learning Engineer for Matching within Apple Ads to design and implement ML algorithms for our retrieval system, improving ad relevance and scale across services such as the App Store and Apple News.

You will own end‑to‑end ideation, development, testing, and productization of these algorithms, collaborating with product and business leadership. This role requires 4+ years of experience, strong NLP/IR foundations, and a privacy‑conscious,