Mobile Architect

Source Code; Toronto; On-site; CAD 90,000 - 120,000; Full time

Job summary

A leading technology company in Toronto is seeking an experienced mobile application developer to lead the design and development of enterprise-grade iOS and Android applications. The ideal candidate should have extensive experience with native technologies and React Native, as well as a strong understanding of secure coding practices. This role offers a contract with strong possibilities for extension and allows you to work in a multidisciplinary Agile team, ensuring high-quality application delivery.

Qualifications

• Lead design and development of enterprise-grade mobile applications.
• Implement security fixes and maintain mobile application integrity.
• Experience with digital wallets and secure credential handling.

Responsibilities

• Oversee multidisciplinary teams using Agile methodologies.
• Ensure delivery of high-quality apps through CI/CD integration.
• Guide on integration of mobile apps with secure back-end systems.

Skills

Mobile application development using native technologies

Experience with React Native and TypeScript

Agile methodologies

Back-end integration with RESTful APIs

Knowledge of secure coding practices

Digital wallets and credentials

Tools

Xcode

Android Studio

Docker

Kubernetes

Job description

Contract (1+ year with high possibility of extension)

Experience and Skill Set Requirements

• 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 TypeScript, ensuring performance, security, and maintainability. Primarily the development is based on React Native and TypeScript.
• 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, OAuth2, 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.