[CIS] Senior iOS Software Engineer

About this role

Project – the aim you’ll have This project is for a global leader in medical and travel security risk services, helping organisations protect their people wherever they work and travel. You’ll join a dedicated mobile team rebuilding the client’s traveller-facing apps, part of the Subscriber Portal, as fully native iOS and Android applications to replace the existing React Native versions. Travellers and expatriates use these apps to receive location-based medical and security alerts, access country risk information, check in, and contact 24/7 assistance centres with a single tap.

The backend is already in place, allowing the team to focus on building a fast, secure and accessible native experience. When someone faces a crisis abroad, the app needs to work reliably when it matters most. Role – how you’ll contribute​​​​​​​ Develop and maintain the native iOS application using the latest Swift and SwiftUI. Write clean, scalable, and well-documented code; Collaborate with product managers, backend developers, designers, and other stakeholders on requirements review, suggest solutions and estimate efforts to build user-friendly applications; Ensure that the mobile application is user friendly, efficient, and adaptive to different screen sizes and device models; Optimise the application for maximum speed, stability and scalability; Implement authentication, session management and secure data storage to enterprise security standards; Implement location-based features and location-triggered push notifications; Investigate and resolve production issues, including crash analysis, root cause analysis and hotfixes Implement app monitoring and analytics; Implement app localisation in multiple languages and accessibility support; Write and maintain unit and UI test cases, and contribute to CI/CD pipelines; Take ownership of features and modules end to end, review peers' code against team standards, and contribute to technical design discussions; Update internal knowledge base and operational documentation.

Expectations – the experience you need 5+ years of experience in native iOS development using Swift and SwiftUI; Solid understanding of Swift concurrency, including async/await, actors and data race prevention; Experience implementing location services and push notifications; Experience with OAuth 2.0/OIDC, session management and secure credential storage; Experience integrating third-party frameworks; Hands-on experience writing and maintaining unit and UI tests; Familiarity with CI/CD pipelines; Proven ability to own features end to end, support production applications and resolve incidents; Experience working closely with architects and reviewing other engineers’ code; Familiarity with Scrum, Jira and Confluence; Strong attention to detail, communication and problem-solving skills, with a commitment to continuous learning; English at C1 – the working language with the client.