Job Description & How to Apply Below
Software Developer - Mobile - Senior
Location:
Toronto, ON
Duration: Contract
We are seeking an experienced Mobile Software Developer to design, develop, and maintain a production-grade Digital Credential Wallet for iOS and Android. The role focuses on secure mobile development, verifiable credentials, decentralized identity technologies, and modern digital wallet standards.
Key Responsibilities
Design, build, test, and deploy secure mobile applications (iOS & Android)
Implement W3C Verifiable Credentials, SD-JWT, mDOC (ISO 18013-5/7), and OID4
VCI/OID4VP flows
Develop secure credential issuance, storage, presentation, and verification capabilities
Integrate with identity providers, backend systems, and API gateways
Apply mobile security best practices including Secure Enclave/Trust Zone and cryptographic standards
Participate in Agile/Scrum ceremonies and maintain high-quality documentation
Must Have
Experience working with commercial grade mobile iOS and Android applications using native languages (Objective-C / Swift, Xcode or Java with Android Studio).
Experience with iOS or Android. Strong experience developing multithreaded applications.
Experience with mobile operating system (OS) architecture in areas of user interface (UI), memory management, data storage, application management by OS, and cybersecurity.
Experience with UI development of mobile applications (scalable for different screen resolutions and localization).
Experience working with continuous integration.
Must have apps published in either the Apple or Google store.
Experience in developing Native and Hybrid apps with iOS/Swift, Android/Java, React Native/Type Script.
Experience with Apple and Google wallets, or custom digital wallets, such as add passes/credentials to a wallet.
Knowledge of using Secure Enclave and/or Trust Zone.
Experience in developing mobile apps that use local on device capabilities such as camera, Bluetooth, microphone, accelerometer, etc.
Working with the Open Source community and Open Source products.
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