The Senior Software Engineer will join the Ads ML Experimentation team at Apple, focusing on building advanced software platforms and systems for experimentation. This role involves developing machine learning algorithms that connect users to content while ensuring user privacy. The engineer will design tools for managing A/B tests and real-time monitoring of experiments. Collaboration with business leaders to evolve the multivariate experimentation platform is essential.

• 5+ years of industry experience designing, building, maintaining, and extending web-scale production systems.
• Strong experience in experimentation frameworks, A/B testing, and machine learning methodologies.
• Fluency in programming languages such as Java, Scala, Python, and SQL.
• Experience with event stream processing technologies like Spark Streaming, Kafka, or Flink.
• Familiarity with data-oriented workflow orchestration frameworks like Airflow or Kubeflow.
• Excellent communication, social, and presentation skills.
• Prior experience in the advertising industry is a plus.
• Degree in Computer Science, Statistics, Applied Math, or a related field.

• Build sophisticated systems for the end-to-end development of predictive algorithms.
• Design and engineer tools for managing A/B test experiments and performing exploratory analysis.
• Promote experimentation best practices across the organization.
• Execute on the experimentation roadmap with data-driven prioritization.
• Make thoughtful decisions in ambiguous situations while balancing short-term wins and long-term success.
• Contribute to a culture that emphasizes reliability, scalability, and productivity.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.