Principal Mobile Engineer
Core
Designing, building, and scaling high-performance mobile apps for Android and iOS to power global payments for millions of businesses.
Role type
Principal Mobile Engineer (Android/iOS/Cross-platform)
Builds
High-performance mobile applications for global payment workflows
Domain
Fintech / Global Payments
Deliverable
production ML models | product features
Required skills
Native Android or iOS development, Cross-platform frameworks (Flutter/React Native/KMP), Mobile performance optimization, App lifecycle management, Memory management, Threading, CI/CD pipelines, Automated testing
Preferred skills
React Native expertise, Code quality practices
Technologies
Swift, Kotlin, Flutter, React Native, Kotlin Multiplatform (KMP)
Responsibilities
Lead design and scaling of mobile apps, Mentor mobile engineers, Set standards for performance and UX, Collaborate with product and backend teams, Influence mobile architecture decisions
Seniority
Principal, hands-on IC with mentorship