Staff Android Software Engineer

Responsibilities

• Own and evolve foundational Android infrastructure including modularization, dependency injection, navigation, and app lifecycle systems
• Design and deliver shared libraries and frameworks with developer and AI ergonomics as a first-class concern
• Drive Cash App's Android architecture forward and lead AI-native engineering practices across the org
• Identify cross-cutting technical problems and mobilize resources to address them
• Mentor and grow engineers at all levels, raising the technical ceiling of the Android community

Requirements

• 10+ years of Android development experience with organizational-scale impact
• BA/BS in Computer Science or equivalent practical experience
• Deep Android expertise in Kotlin, Jetpack Compose, modern architecture, build systems, and performance profiling
• Platform or infrastructure builder mindset with strong developer experience focus
• Proven organizational leadership driving large-scale technical initiatives
• AI-native development practice with strong point of view on AI leverage in engineering
• Exceptional communication and systems thinking skills

Preferred Qualifications

• Experience building developer platforms or shared libraries across large engineering organizations
• Experience with Kotlin Multiplatform
• Background in fintech, financial services, or high-trust regulated environments
• Experience with mobile experimentation, feature flagging, or A/B testing at scale

Benefits

• Remote work options and flexible time off
• Medical insurance and modern family planning
• Retirement savings plans

About the Company

Block builds technology to increase access to the global economy through brands including Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto.