Staff iOS SDK Engineer, Unity Ads

About Unity Technologies Unity [NYSE: U] offers a suite of tools to create, market, and grow games and interactive experiences across all major platforms from mobile, PC, and console, to extended reality. For more information, visit Unity.com. Download Unity: http://unity3d.com/get-unity We're hiring! Visit our careers site: https://careers.unity.com For support, please email: support@unity3d.com Check us out on our other social channels: Twitter: https://twitter.com/unity Facebook: https://www.facebook.com/unity3d/ Instagram: https://www.instagram.com/unitytechnologies/

Unity Technologies

U

unity.com

5,001-10,000 employees

Software Development

San Francisco

Public Company

824k LinkedIn followers

Raised $2.9B

• At Unity, we power the world’s most creative and immersive gaming experiences - and our Ads SDK Team is at the forefront of helping game developers turn their passion into a thriving business. Our mission is to build cutting-edge monetization solutions that give publishers full transparency and control in their revenue strategies.
• We’re redefining what’s possible with next-gen ad technology, building an end-to-end monetization stack that dynamically adapts to different players and gaming experiences. From real-time optimizations and intelligent player segmentation to new interactive ad formats, we’re creating tools that don’t just boost revenue but enhance engagement and player experience.
• We are looking for a Staff Software Engineer specializing in iOS to help shape the architecture and future of the Unity Ads SDK. This role will have deep ownership of our iOS SDK, while working closely with engineers across both iOS and Android. We are looking for someone who is deeply experienced with iOS and comfortable working with and understanding Android code and concepts when projects or technical decisions span both platforms.
• At the Staff level, you will help drive technical direction, solve complex problems end-to-end, and improve the architecture, reliability, performance, and developer experience of our SDK. This is a hands-on technical leadership role with impact beyond the code you personally write.
• Lead the technical direction of our iOS SDK, owning the architecture and implementation of major SDK initiatives
• Design and build high-quality SDK components in Swift, focused on performance, reliability, maintainability, and backwards compatibility
• Partner with Android engineers on shared SDK architecture, APIs, and features, reading Android implementations when projects span both platforms
• Own complex projects end to end, from problem definition and technical design through rollout, measurement, and iteration
• Solve challenging production issues involving app lifecycle, concurrency, memory, networking, rendering, WebViews, and host-app interactions
• Improve SDK initialization, ad loading and rendering performance, memory usage, binary size, crash rates, observability, and release safety
• Mentor engineers through design reviews, code reviews, and hands-on collaboration, while proactively surfacing architectural risks and opportunities to improve

• Deep expertise building and shipping production iOS software
• Expert-level knowledge of Swift and strong familiarity with Objective-C
• Deep understanding of iOS app lifecycle, memory management, concurrency, networking, rendering, and performance optimization
• Experience designing and maintaining SDKs, frameworks, or libraries embedded in third-party apps, including API design, backwards compatibility, versioning, dependency management, and release practices
• Working knowledge of Android development concepts and the ability to navigate Kotlin/Java code
• Experience diagnosing complex production problems using profiling, crash reporting, logs, and metrics
• Track record of leading technically complex projects across multiple engineers or teams, with effective written and verbal communication that influences technical direction
• Experience building mobile advertising, monetization, mediation, or measurement SDKs
• Experience with WKWebView and native-to-web communication, or with StoreKit, SKAdNetwork, attribution, and privacy APIs
• Experience with Unity Engine or other game engines

• At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.
• Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.
• While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program
• Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit www.unity.com.
• This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.
• Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at DPO@unity.com.