At Apple, we focus on creating exceptional customer experiences, and this philosophy extends to our advertising initiatives through Apple Ads. This platform powers advertising across Apple Services, including the App Store, Apple News, and MLS Season Pass. As a Senior Machine Learning Engineer on the Ads ML Experimentation team, you'll be at the forefront of innovation, developing and supporting product features that respect user privacy while delivering value to advertisers of all sizes. This role combines hands-on technical development with cross-functional collaboration, requiring both strong technical skills and an eye for intuitive user experiences. You'll work on designing and implementing multivariate experimentation platforms, partnering with business leaders to evolve features, and promoting best practices across the organization. The position demands expertise in machine learning, experimentation methodologies, and software development, with opportunities to impact how advertising is thoughtfully integrated into Apple's services. You'll join a culture that values observability, reliability, and simplicity, while working with cutting-edge technologies to drive data-driven decisions that benefit both customers and advertisers. The role offers competitive compensation, comprehensive benefits, and the chance to contribute to a team that's reshaping how advertising delivers value in the digital age.