Senior Data Scientist - Experimentation

Apple, Inc.; New York (NY); On-site; USD 185,000 - 278,000; Full time

Benefits offered by this job

RSU awards

Employee stock purchase plan

Medical and dental coverage

Retirement benefits

Product discounts

Educational reimbursement

Bonuses or commissions

Relocation

Job summary

Apple in New York City seeks a Machine Learning Engineer and Statistician to design and build a state-of-the-art experimentation platform for Ads. The role emphasizes rigorous analyses, scalable tools, and data-driven decision making in a fast-paced environment.

You will partner with cross‑functional teams to implement experiments, develop statistical methods, and ensure observability, reliability, and scalability of data products. Mentorship of engineers and scientists is also expected.

Qualifications

• 5+ years in software and data science with SQL and causal inference.
• Proficient in SQL, Python; experience with A/B testing.
• Experience building scalable data pipelines.
• Strong communication and cross-functional collaboration.

Responsibilities

• Design and build an experimentation platform for the Ads team.
• Collaborate with data scientists to design experiments and methods.
• Provide guidance on statistical techniques and data engineering.
• Mentor junior engineers and scientists on the team.

Skills

SQL

Python

Causal Inference

A/B Testing

Data Pipelines

Cross-functional collaboration

Education

Advanced Degree in CS/Statistics

PhD preferred

Tools

PySpark

Scala

Job description

New York City, New York, United States Machine Learning and AI

At Apple, we work every day to create products that enrich people’s lives. Our Advertising Platforms group makes it possible for people around the world to easily access informative and imaginative content on their devices while helping publishers and developers promote and monetize their work. Today, our technology and services power advertising in Search Ads in App Store and Apple News. Our platforms are highly-performant, deployed at scale, and setting new standards for enabling effective advertising while protecting user privacy. Ads Experimentation team is seeking a Machine Learning Engineer and Statistician who will help drive innovation. This is a hands‑on role for developing & supporting a state of the art ads experimentation platform. This role requires partnering with cross‑functional teams to effectively coordinate the complex interdependencies inherent in application development. A successful candidate has strong technical skills and is eager to create intuitive user experiences; they have a keen eye for the details that surprise and delight our customers. While understanding our product features, you will perform rigorous analyses, measure performance and make data‑driven decisions and develop scalable tools that facilitate quick and accurate decision making.

Description

Design and build a new generation of experimentation platform for the Ads Platform organization. Apply leading‑edge technologies to enable safe and data driven launch of features that help connect Apple users and advertisers while delivering on Apple's privacy commitment through experimentation. Collaborate with stakeholders and data scientists to design experiments and statistical methods that account for the marketplace dynamics and yield reliable treatment effects. Provide expert technical guidance to engineers and scientists on statistical techniques, experiment design and data engineering. You will join and contribute to a culture that emphasizes observability and understandability, reliability, resiliency, simplicity, reusability, extensibility, scalability, velocity and productivity. We are one team, nurturing each other’s growth and supporting each other in delivering for our customers and Apple.

Minimum Qualifications

• 5+ years of experience in software and data science or statistics with an in-depth understanding of SQL and causal inference. Industry experience in SDLC is preferred.
• Analysis: Conduct rigorous, end‑to‑end analyses using SQL, Python, and statistical methods to uncover insights and improve treatment effect estimates.
• Experience with A/B testing infrastructure and methodologies and deep understanding of the assumptions of randomized control trials. Experience in marketplace experimentation is a bonus.
• Familiarity with causal machine learning tools and technologies. Well versed in observational causal techniques like regression, propensity score matching, Diff in Diff, regression discontinuity and instrumental variables.
• Design and analyze controlled experiments or counterfactual causal inference studies to estimate the incremental and long term impact of interventions. Experience in measuring advertiser value from campaigns or algorithmic changes is a huge plus.
• Proficiency in SQL and Pyspark or Scala to conduct analyses and build data products (pipelines and dashboards) to automate experiment reporting at scale.
• Lead the design, development, and maintenance of scalable and reliable data pipelines. Implement robust data quality checks, monitoring systems, and data lineage tracking. Advocate best practices for data engineering.
• Strategic Partnership: Work directly with stakeholders, including senior leaders, to identify, scope, and prioritise high-impact questions.
• Skilled at operating in a cross‑functional organization.
• Ability to understand ambiguous and complex problems and design and execute analytical approaches and turn analysis into clear and concise takeaways that drive action.
• Curious business attitude with a proven ability to seek projects with a sense of ownership.
• Excellent communication, social and presentation skills.
• Desire to work in a fast‑paced and challenging work environment.
• Mentor junior engineers and scientists on the team

Preferred Qualifications

• Advanced Degree in Computer Science, Statistics, Applied Math or related field.
• 6+ years of industry experience building scalable applications.

Base pay range for this role is between $184,700 and $277,600, and your base pay will depend on your skills, qualifications, experience, and location.

• Apple shareholders through discretionary employee stock programs
• Discretionary restricted stock unit awards
• Ability to purchase Apple stock at a discount via Employee Stock Purchase Plan
• Comprehensive medical and dental coverage
• Retirement benefits
• A range of discounted products and free services
• Reimbursement for certain educational expenses — including tuition
• Discretionary bonuses or commission payments
• Relocation

Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

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Apple accepts applications to this posting on an ongoing basis.