iOS Engineer
Monzo Bank
AndroidiOSOpen SourceSwift
Job Level
Mid-LevelSenior
Tech Stack
AndroidiOSKotlinSwift
About the role
- Build a production-grade AirLink SDK for iOS and Android platforms
- Ensure seamless integration with airline mobile apps
- Support features such as off-airport identity verification, biometric authentication, digital wallet for credential storage, integration with national ID systems and airport infrastructure, privacy-preserving data exchange
- Deliver SDKs that are modular, well-documented, and easy to integrate
- Review existing AirLink SDK documentation and APIs and define SDK architecture for iOS and Android
- Implement core SDK modules: credential verification, biometric capture and matching, secure storage and wallet API communication with backend
- Integrate third-party libraries for doc scan, biometrics, and digital wallet functionality
- Perform unit and integration testing, device compatibility testing, and security and performance validation
- Produce developer guides, integration samples, API references, and provide onboarding support and post-delivery maintenance options
Requirements
- Proven experience in mobile SDK development
- Familiarity with biometrics, verifiable credentials, and privacy-first design
- Strong project management and communication
- References or case studies of similar work
- Experience developing SDKs for iOS (Swift) and Android (Kotlin)
- Experience integrating third-party libraries for doc scan, biometrics, and digital wallet functionality
- Experience with unit and integration testing, device compatibility testing, security and performance validation
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