Principal Engineer - Android

Rakuten International, a global leader in e-commerce and digital services with over 4,000 employees worldwide, is seeking a Principal Android Engineer to join their innovative team. This role presents an exceptional opportunity to shape the future of mobile commerce at a company that has paid out nearly $2 billion in Cash Back to its 15 million members.

The position combines strategic leadership with hands-on technical expertise, requiring a seasoned professional with 12+ years of Android development experience. As a Principal Engineer, you'll be responsible for defining engineering strategies, evaluating emerging technologies, and driving technical excellence across multiple teams. You'll work closely with iOS, backend, and web teams to create cohesive multi-platform solutions while mentoring other engineers and leading architecture reviews.

The ideal candidate will bring deep expertise in Android SDK, Kotlin, Java, and modern Android development practices including MVVM/MVP patterns, dependency injection, and reactive programming. You'll need to demonstrate strong leadership abilities, excellent communication skills, and a track record of delivering high-quality mobile applications at scale.

This role offers competitive compensation ranging from $156,008 to $291,500 annually, along with comprehensive benefits including health insurance, 401k matching, PTO, and discretionary bonuses. Based in San Mateo, California, you'll be part of a dynamic team that values innovation, continuous improvement, and customer satisfaction.

Rakuten's culture is built on their Five Principles for Success, emphasizing continuous improvement, professional passion, customer satisfaction, and speed of execution. This is an excellent opportunity for a technical leader who wants to make a significant impact in the e-commerce space while working with cutting-edge mobile technologies.

The role combines strategic thinking with hands-on technical leadership, offering the chance to shape the future of mobile commerce while working with a global team that serves millions of users. If you're passionate about mobile development, technical excellence, and building products that delight customers, this position offers the perfect blend of challenge and opportunity.