Senior iOS Software Engineer, Ads

4+ years of experience building and shipping native iOS applications in Swift or SwiftUI Experience working on mobile UI, design systems, or performance-sensitive features. Knowledge of the Advertising industry's main concepts and technologies like ad serving, bidding, and targeting. Familiarity with data privacy laws and regulations. Comfortable working in small team environments with high autonomy, broad ownership, and close partnership with product and design Ability to evaluate new technologies and introduce improvements to the iOS codebase. Experience giving and receiving feedback through design and code reviews. Experience communicating updates and resolutions to teammates about technical tradeoffs and propose scalable solutions. Experience mentoring engineers or contributing to team-wide technical growth.

Lead development of new advertising features and components in our native iOS app, including new ad surfaces, rendering logic, and mobile first UI. Build high quality, user facing features in Swift or SwiftUI that balance business goals with a seamless product experience. Partner with product and design to shape mobile ad requirements, propose technical approaches, and influence the direction of in app advertising. Collaborate with engineers across iOS, backend, and data teams to make architectural decisions that support ad delivery, measurement, and performance. Promote clarity and understanding on complex problems, especially when working through tradeoffs across user experience, performance, and reliability. Ensure the reliability, maintainability, and performance of new ad surfaces, including instrumentation, testing strategies, and ongoing iteration after release. Contribute to and uphold strong engineering practices, including code quality, documentation, and review processes. Mentor teammates and share knowledge across the broader iOS engineering group.