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Unity Technologies, headquartered in Vancouver, British Columbia, is the creator of the Unity game engine, widely used for developing both 2D and 3D games across multiple platforms. With over 1.5 million monthly active creators and customers including major studios like Electronic Arts and Ubisoft, ...
Unity offers competitive salaries, equity options, generous PTO policies, and flexible remote work arrangements. Employees also benefit from a compreh...
Unity fosters a culture of creativity and innovation, encouraging employees to experiment and push the boundaries of game development. The company val...

Unity • San Francisco, CA, USA
Unity is seeking a Senior SDK Engineer to lead the development of innovative ad features for their Ad Unit team. You'll work with Java, C#, and Unity to enhance mobile SDK integration and event gateway services. This role requires strong experience in SDK development and collaboration with cross-functional teams.
You have 5+ years of experience in software engineering, particularly in SDK development, and have a strong understanding of mobile SDK integration and event-driven architectures. Your expertise in Java and C# allows you to design and implement robust ad features that enhance user experiences. You are comfortable working with backend systems and have a keen eye for performance, latency, and reliability in client-facing applications.
You thrive in collaborative environments, working closely with product managers, frontend engineers, and QA teams to drive features from concept through release. Your technical judgment helps you balance user experience requirements with backend complexity, ensuring that features are delivered on time without compromising quality. You are proactive in improving existing systems and development practices, always looking for ways to reduce complexity and enable faster iteration.
Experience with machine learning and data infrastructure is a plus, as you will be working at the intersection of these technologies. Familiarity with advertising technology and privacy compliance will also be beneficial in this role.
As a Senior SDK Engineer at Unity, you will own the end-to-end development of ad features, coordinating changes across ad unit rendering, native SDKs, and backend APIs. You will collaborate with the SDK team to ensure reliable event generation and delivery from client-side SDKs to backend systems. Your role will involve designing and implementing features with a strong focus on performance and reliability, especially for client-facing flows.
You will partner with backend teams to design and evolve gateway APIs, ensuring that they meet the needs of the ad unit logic and mobile SDK integration. Your proactive approach will help improve existing systems and abstractions, enabling faster iteration and reducing complexity in the development process. You will participate actively in design and code reviews, sharing your insights and expertise with the team.
Unity offers a competitive salary range of $172,400—$258,600 USD, reflecting your experience and the value you bring to the team. You will have the opportunity to work in a dynamic environment where your contributions directly impact billions of global ad experiences. We encourage you to apply even if your experience doesn't match every requirement, as we value diverse perspectives and backgrounds in our team. Join us to create innovative solutions that propel advertising technology forward while ensuring privacy and compliance.
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