Mobile (Android and IOS) Software Developer 8724-0413

Job description
HM Note: This hybrid contract role is three (3) days in office. Candidates resume must include first and last name. This role commences April 1, 2026

Responsibilities
• Design, code, and test a mobile application for IOS and Android platforms based on Ontario's digital credential requirements following best practices and coding standards.
• Maintain Ontario's Digital Credential Wallet mobile application with components developed by other jurisdictions and the Open-Source Community to maintain currency of the product and avoid technical debt.
• Assist in troubleshooting and resolving technical issues reported by users timely.
• Participate in agile development processes, including sprint planning, daily stand-ups, and sprint retrospectives. Collaborate effectively with cross-functional teams to deliver high-quality software within project timelines.
• Assist in facilitating the potential integration of the mobile application with other platforms.
• Implement security fixes and patch updates.
• Document code, processes, and procedures to facilitate knowledge sharing and future maintenance of mobile applications.

Skills

Experience and Skill Set Requirements

Mobile development â 30%
• 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 operation 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 application (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/TypeScript.
• 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 TrustZone.
• Experience in developing mobile apps that use local on device capabilities, such as camera, Bluetooth, microphone, accelerometer, etc.

Digital Trust and Verifiable Credentials â 40%
• Demonstrated experience with:
• Developing mobile solutions with Hyperledger Aries, Hyperledger Indy technology stack.
• Aries Framework Javascript (AFJ) / Credo.
• Aries Anoncreds, Aries Interoperability Profiles (AIP) 1 and 2.
• Developing in React Native.
• JavaScript, HTML5, CSS3.
• JavaScript frameworks such as React.js, Angular.js, & Vue and TypeScript.
• Developing responsive design & progressive web applications.
• Developing/working with APIs and API Gateways.
• Familiarity with JSON & REST APIs.
• Experience working with continuous integration.
• World wide web consortium (W3C) verifiable credentials (VC) model, decentralized identifiers (DIDs), JSON-LD, zero-knowledge proofs.
• Digital wallet development experience in native and/or hybrid app; hardware level encryption (HLE), use of secure elements on mobile devices (e.g., Apple Secure Enclave).
• Open ID Connect (OIDC), Oath2, Security Assertion Markup Language (SAML), JSON Web Tokens (JWT), JSON Web Signatures (JWS), Transport Layer Security (TLS), one-time passwords (OTP), public key infrastructure (PKI), elliptic curve cryptography (ECC), SHA/SHA2, RSA, Hash, RSA.
• Digital Identity standards and frameworks such as the PCTF, NIST and eIDAS etc.
• Node.js, Dot Net Core, Python.

Back End â 15%
• Experience working with Java, NodeJS and RESTful APIs.
• SOAP Web Service development connecting to backend Ministries.
• API management tools such as IBM API Connect or equivalent.
• Familiarity with Docker and Kubernetes containers and cloud-based environments.
• Working experience in distributed, event-driven systems.
• Familiarity with PKI security.
• Experience working with messaging systems.
• Experience working with Shell Scripts.
• Experience working with continuous integration.
• Java/Sprint Framework, JS/Node.js, Python/Django.

Team Contributor and Agile Experience - 15%
• Experienced in developing and updating technical documentation.
• Experienced with Agile methodologies and related ceremonies, and tools.
• Self starter and motivated individual.
• Ability to analyze and break down complex problems.
• Effective at managing time, schedule, and commitments in a fast-paced environment with multiple competing priorities.
• Experienced with testing, test case development and related documentations.
• User focused/centered designs to solve real problems for users.

Must Have
• Experience working with commercial grade mobile iOS and Android applications using native languages (Objective-C / Swift, Xcode or Java with Android Studio).
• Must have apps published in either the Apple or Google store along with Additional Credentials and Wallet Experience.
• Experience in developing Native and Hybrid apps with iOS/Swift, Android/Java, React Native/TypeScript.
• Experience working with Java, NodeJS and RESTful APIs.
• Additional experience with open-source digital credentials software libraries