RQ10456 - Software Developer - Mobile - Senior

Role Overview :

The Mobile Software Developer will design, develop, secure, and maintain Ontario’s Digital Credential Wallet for  iOS and Android , ensuring compliance with  verifiable credentials standards, digital identity frameworks, and modern mobile security best practices . The role requires deep expertise in  native and cross‑platform mobile development ,  digital wallets , and  decentralized identity technologies , as well as strong collaboration within agile delivery teams.

Core Responsibilities :

• Design, implement, test, and deploy  production-grade mobile applications  for iOS and Android that meet Ontario Digital Credential and Digital Identity requirements.
• Maintain and extend an  open, interoperable Digital Credential Wallet , integrating components from other jurisdictions and open-source communities while managing technical debt.
• Implement  secure credential issuance, storage, presentation, and verification  flows using W3C Verifiable Credentials and related protocols.
• Troubleshoot, diagnose, and resolve mobile application issues with a focus on performance, reliability, and security.
• Participate in  Agile / Scrum ceremonies , including sprint planning, daily stand-ups, backlog refinement, and retrospectives.
• Support integration with external systems and platforms, including identity providers, verifiers, and backend ministry services.
• Apply  security patches, OS upgrades, and cryptographic updates  in a timely manner.
• Produce and maintain high-quality  technical documentation , architecture diagrams, and developer guides to support long-term maintainability.
• Implement and maintain  privacy‑preserving credential flows  using  SD‑JWT ,  SD‑JWT‑VC , and  ISO / IEC mdoc (mDL and other doctypes) , including  selective disclosure  and  holder binding  where appropriate.
• Design presentation flows that support  in‑person proximity  and  remote / over‑the‑Internet  verification for mDL / mdoc, aligned with  ISO / IEC 18013‑5  and  18013‑7 .
• Integrate  token / credential status  checks using  IETF Token Status List (TSL) , and where applicable map to  W3C VC Status List  for web‑based ecosystems.

Requirements

Experience and Skill Set Requirements :

Skill Set Requirements :

Mobile development :

Digital Trust and Verifiable Credentials :

Back End :

Team Contributor and Agile Experience :