Shape Rakuten’s Android platform architecture with Kotlin, Jetpack Compose, and scalable mobile systems from San Mateo, California. Lead foundational engineering direction. As Principal Android Engineer, you will define long-term technical roadmaps, reusable frameworks, and platform capabilities for large-scale applications. You will partner with product managers, designers, and engineering teams on performance, accessibility, localization, and multi-region delivery. Your work includes Android SDK development, design systems, API integration, and architecture governance. Key Responsibilities:
Define Android platform roadmaps aligned with product strategy Design scalable architectures, frameworks, and reusable capabilities Establish standards for APIs and client-service communication Guide architecture reviews and technical governance processes Mitigate risks affecting performance and platform maintainability Requirements:
Fifteen-plus years of software engineering experience Expertise in Android SDK, Kotlin, Java, and Android Studio Experience with Jetpack Compose, XML Views, and design systems Knowledge of modularization, dependency injection, and reactive programming Bachelor’s or Master’s degree in a related field Bring Android architecture leadership, platform strategy, Kotlin expertise, and scalable engineering practices to Rakuten’s mobile foundation.
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