Senior Unity SDK Engineer

About GameRamp

GameRamp is a vertical AI company building the operating system for mobile app growth and monetization.

We're solving a $500B+ market problem: studios leave revenue on the table due to fragmented monetization tools and growth capital that's too slow and expensive to match app economics.

• Sentinel AI copilot that automates pricing, offers, and growth experiments. Chat with your data, deploy agents instantly, and let them surface revenue opportunities.
• Grow Embedded financing layer to help apps scale faster with the right working capital

Why Us: Work with real-world data, with a team that has built apps at scale before.

About the Role

We are looking for a Unity SDK Engineer to design and build high-performance, cross-platform Unity SDKs. In this role, you will create robust SDKs that integrate seamlessly with native mobile platforms and third-party frameworks, with a strong focus on reliability, performance, and developer experience.

What We Offer

• Design and architect Unity SDKs with clean, extensible, and developer-friendly APIs
• Build cross-platform SDK solutions for seamless Android and iOS integration
• Develop and maintain native bridge modules for Android (Java/Kotlin) and iOS (Objective-C/Swift)
• Create clear SDK documentation, sample projects, and integration guides
• Optimize SDK performance, memory usage, and binary size
• Implement automated testing, release workflows, and CI/CD pipelines for SDK distribution
• Debug and resolve complex integration issues across Unity and native platforms

What We're Looking For

• 25 years of experience with Unity, including SDK or plugin development
• Strong understanding of Unitys native plugin architecture and platform bridges
• Solid Android native development experience (Java/Kotlin, NDK)
• iOS native development experience (Objective-C and/or Swift)
• Proficiency in C# with a good understanding of the .NET framework
• Experience with package management systems (UPM, Gradle, CocoaPods, npm)
• Familiarity with mobile platform APIs such as analytics, advertising, payments, and notifications
• Experience with version control, release management, and SDK versioning best practices

Why Join Us

If you join GameRamp, youre not building features in isolation. Youre building:

• Systems that directly impact revenue
• AI that makes real financial decisions
• Infrastructure used by live games and apps at scale
• A product with global customers from day one
• Its a place where ownership, impact, and learning curve are extremely high.

What We Offer

• Competitive market-rate compensation
• Meaningful equity stake in a growing company
• Collaborative environment with strong engineering culture
• Chance to shape the technical direction of the product