RQ- Mobile Architect

RQ10457 - Mobile Architect

Toronto, Ontario

Contract (1+ year with high possibility of extension)

Experience and Skill Set Requirements

Mobile Development Leadership – 60%

• Lead the design, development, and delivery of enterprise‑grade iOS and Android applications using native technologies (Objective-C / Swift, Xcode or Java with Android Studio).
• Architect and implement both native and hybrid mobile applications
  , leveraging Swift, Java, React Native, and Type Script, ensuring performance, security, and maintainability. Primarily the development is based on React Native and Type Script .
• Oversee UI development to support different screen resolutions, localization
  , and OS‑specific UX patterns.
• Guide teams in building mobile applications
  , ensuring efficient use of device resources such as memory, storage, cameras, Bluetooth, sensors, and secure OS capabilities
  .
• Ensure delivery of high‑quality apps through continuous integration pipelines
  , automated builds, testing, and deployment workflows.
• Experience with Apple and Google wallets, or custom digital wallets, such as add credentials to a wallet and mobile verifier app for credentials.

• Knowledge of using Secure Enclave, TEE and/or Strongbox.

• Support publication and lifecycle management of apps in the Apple App Store or Google Play Store
  .
• Implement security fixes and patch updates to maintain the integrity and security posture of mobile applications.
• Document code, processes, and procedures to support knowledge sharing and long‑term maintainability of mobile solutions.
• Ensure compliance with secure coding practices, mobile OS security guidelines, and enterprise cyber standards.

Team Leadership, Delivery & Agile Practices – 20%

• Lead multidisciplinary development teams using Agile methodologies including sprint planning, backlog refinement, estimation, and technical ceremonies.
• Review and develop technical documentation, architecture artefacts, developer guides, and integration specifications.
• Support team adoption of Agile engineering practices including automated testing, test case development, CI/CD integration, and code quality processes.
• Mentor and coach developers, fostering a strong engineering culture focused on user‑centered design, accessibility, and secure coding.
• Effectively manage competing priorities, timelines, and deliverables in a fast‑paced environment.
• Collaborate with product, UX, cybersecurity, and platform teams to ensure alignment with enterprise strategy and technical roadmaps.

Back‑End Integration & API Architecture – 15%

• Oversee integration of mobile applications with RESTful APIs and secure back‑end platforms developed in Java, Node.js, Python and similar stacks.
• Provide guidance in developing solutions using distributed, event‑driven architectures
  , secure messaging systems, and cloud‑native containerized environments (Docker, Kubernetes).
• Ensure robust back‑end interaction patterns including authentication, authorization, encryption, and secure data exchange.

Digital Trust & Verifiable Credentials (VC) – 5%

• In-depth development experience with W3C
  verifiable credential data model
  , ISO/IEC 18013-X, ISO/IEC 23220-X (mDOC),
  decentralized identifiers (DIDs), X.509 certificates
  , zero‑knowledge proof and OpenID4VC
  .
• Oversee development of React Native–based digital credentials wallets that use secure storage, OS cryptography APIs, and platform‑specific security modules.
• Ensure compliance with global digital identity standards and/or specifications such as W3C Verifiable Credentials
  , IETF, OIDF
  , PCTF
  , NIST
  , and eIDAS(ARF).
• Provide development guidance on wallet and security protocols such as OIDC
  , OIDF OpenID4VC/OpenID4VP, W3C DC-API,
  OAuth
  2,
  JWT/JWS(JOSE),
  TLS
  , PKI
  , CBOR/COSE
  , ECDSA P-256,Ed25519,
  SHA/SHA2
  , and RSA
  .
• Lead teams in developing responsive mobile interfaces
  , progressive web applications
  , and secure integration with back‑end identity services.