Senior Mobile SDK Engineer

This is a fully remote position, open to applicants in Ukraine.

📋 Description

• Create and develop the SDK, which includes components for in-game placement, app-to-app handoffs, deep linking, and referral identifiers that persist through store visits and installations.

• Construct the native layer, which encompasses iOS and Android bridges, IL2CPP, Gradle, and Xcode plugin integration, ensuring compatibility with other SDKs in the build process.

• Implement and maintain size, cold-start, and frame-time budgets within Continuous Integration (CI).

• Take responsibility for versioning, UPM/Asset Store distribution, Unity LTS support, and migration strategies.

• Develop the testing framework, which includes a sample game, cross-version build verification, integration testing, debug mode, and comprehensive documentation.

• Oversee SDK architecture, public API, releases, and partner experience from start to finish.

⛳️ Requirements

• A minimum of 5 years of engineering experience.

• Significant Unity/C# experience with successful deployment to iOS and Android platforms.

• Experience in building or contributing to a library or SDK utilized by other developers.

• Understanding of API design principles and backward compatibility.

• Extensive knowledge of the Unity mobile build pipeline.

• Proficient in Kotlin/Java and Swift/Objective-C for building bridges and debugging platform behavior.

• Strong skills in profiling.

• Excellent written English communication skills.

• Preferred: Experience with monetization SDKs, including offer walls, rewarded video, or mediation.

• Preferred: Experience with attribution and deep-linking in a Mobile Measurement Partner (MMP) context.

• Preferred: Background in mobile game development or live operations.

• Preferred: Experience related to reward fraud.

🏝️ Benefits

• Security through thorough client vetting to reduce risks and ensure reliable and timely payments.

• Career support and help in discovering new opportunities if a project does not align well.

• Legal assistance for independent contractors or sole proprietorships, including tax support and related processes.

• English language courses.

• Opportunities for professional growth.

• Team-building activities.

• Flexible working hours.

• 29 days of paid time off (18 working days annually plus all national holidays).

• 10 paid recovery days.

• Comprehensive financial and legal support for independent contractors.

• Free English classes with native speakers or Ukrainian instructors.

• Dedicated HR support.