Senior Software Engineer II, Mobile – On App Ads, AI Native

This is a fully remote position, open to applicants in United States, +1 more country.

📋 Description

• Design, develop, and sustain the iOS advertising layer, which encompasses the in-house ads SDK, demand partner and header-bidding integrations, and mediation processes.

• Implement ad formats, placements, and features that enhance revenue while safeguarding startup times, scrolling performance, and user experience.

• Take responsibility for iOS privacy and consent management, including ATT, IDFA handling, SKAdNetwork/AdAttributionKit, and TCF/GPP consent frameworks.

• Ensure that ads function correctly across different regions and user settings.

• Identify and prevent problematic creatives while diagnosing rendering and fill issues.

• Collaborate with ad operations to address ad quality concerns.

• Accurately instrument ad requests, impressions, clicks, and revenue signals.

• Perform A/B testing on ad configurations, floors, refresh rates, placements, and partner mixes.

• Utilize Claude Code and AI agents for writing specifications, generating Swift code and tests, verifying outcomes, and reviewing changes.

• Work alongside product, ad operations, data science, and external SDK vendor engineering teams.

• Contribute to architectural decisions, code reviews, and the ongoing enhancement of the iOS codebase.

• Engage in on-call rotations and incident responses for ads and mobile releases.

• Mentor colleagues and assist in establishing technical standards.

• Within the first year, deliver at least one new iOS ad format or demand integration, improve ad quality or performance, and create an AI-native workflow that is adopted beyond the team.

⛳️ Requirements

• Over 6 years of iOS engineering experience delivering production applications at a consumer scale.

• Minimum of 1 year of direct experience with prompting, evaluating, and developing with LLMs.

• Strong expertise in Swift, SwiftUI, and UIKit.

• Extensive knowledge of Xcode, Swift Concurrency, and Combine.

• Familiarity with iOS architecture patterns such as MVVM, coordinators, dependency injection, and modularization using SPM or CocoaPods.

• Experience in integrating and debugging third-party SDKs in a production environment.

• Solid foundation in iOS performance, memory management, and crash diagnostics utilizing Instruments, MetricKit, Crashlytics, or similar tools.

• Familiarity with CI/CD processes for iOS, including Fastlane, Xcode Cloud, Buildkite, GitHub Actions, or comparable platforms.

• Practical experience with agentic workflows, prompt engineering, context-window management, and MCP/function calling.

• Bachelor’s degree in a technical discipline, or equivalent experience.

• Proficiency in using AI coding assistants for significant tasks and taking responsibility for AI-generated code.

• Willingness to keep pace with rapidly evolving AI tools.

• Nice-to-have: ad tech knowledge including OpenRTB, Prebid Mobile, Google Mobile Ads/GAM, AdMob, or mediation platforms.

• Nice-to-have: experience with iOS privacy and attribution tools such as ATT, SKAdNetwork/AdAttributionKit, Privacy Manifests, and consent management systems.

• Nice-to-have: experience in SDK or framework development.

• Nice-to-have: familiarity with ad quality tools, WKWebView, MRAID, and fill or latency diagnostics.

• Nice-to-have: experience with experimentation platforms.

• Nice-to-have: Android/Kotlin experience or a willingness to contribute to cross-platform initiatives.

🏝️ Benefits

• Total compensation includes equity in the form of Restricted Stock Units (RSUs).

• Comprehensive medical, dental, vision, life, and disability insurance plans fully covered for US employees.

• Additional medical and dental plans available for Canadian employees.

• 401(k) plan with a company matching program in the US.

• RRSP with DPSP plan for Canadian employees.

• Paid parental leave.

• Mental Wellness Program & Employee Assistance Program (EAP) to support mental health.

• Flexible paid time off (PTO).

• Company-wide holidays throughout the year.

• Summer and winter shutdowns.

• Learning & Development programs.

• Provision of equipment, tools, and reimbursement support for a productive remote work setup.

• Complimentary Life360 Platinum Membership and Tile trackers.

• Remote-first work environment.