Flexstaf IT

Must Have

• 5+ years of experience with React Native
• At least 4+ years of hands‑on Lead Developer experience
• Strong team management and leadership skills – working with various stakeholders and organizing team members

• Lead the design, development, and delivery of enterprise‑grade iOS and Android applications using native (Swift, Objective‑C, Java) and hybrid (React Native, Type Script) technologies.
• Architect secure, scalable mobile applications and oversee UI/UX implementation across multiple form factors, localizations, and OS‑specific patterns.
• Guide teams in building high‑performance, multithreaded apps leveraging device capabilities such as camera, Bluetooth, sensors, storage, and secure OS modules (Secure Enclave / TEE / Strongbox).
• Implement and maintain code quality standards, and robust testing practices to ensure high‑quality product delivery.
• Experience with Apple and Google wallets, or custom digital wallets, such as adding passes/credentials to a wallet and mobile verifier app for credentials.
• Support publication and lifecycle management of apps in the Apple App Store or Google Play Store.
• Lead development and maintenance of the secure mobile applications by applying OS‑level security guidelines, secure coding practices, and ongoing patching and vulnerability fixes.
• Ensure comprehensive documentation of code, processes, system designs, and mobile architecture to support long‑term maintainability.
• Lead development of digital credential wallets and mobile identity solutions using W3C VC data models, DIDs, mDOC, and related decentralized identity technologies.
• Provide technical leadership on credential exchange, cryptographic protocols (OIDC, OAuth2, JWT/JWS, CBOR/COSE, ECDSA P‑256, Ed25519, TLS, PKI), and standards compliance (PCTF, ODIF, IETF, NIST, eIDAS).
• Oversee integrations with backend services using REST, SOAP, event‑driven systems, and cloud‑native architectures (Docker, Kubernetes).
• Lead Agile development teams, facilitating sprint planning, backlog refinement, code reviews, and technical design sessions.
• Mentor developers and cultivate a strong engineering culture emphasizing user‑centered design, accessibility, performance, and secure engineering.
• Collaborate with product managers, UX designers, cybersecurity teams, and platform architects to align mobile engineering work with enterprise roadmaps and strategic goals.

This position is listed as "Onsite"; the resource is expected to work between the standard working hours of 8:00‑5:00PM (excluding lunch breaks) every Monday to Friday inclusive at the identified OPS office location.

• 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 adding 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.

• Lead…