Principal Software Engineer - Native Mobile

H&R Block is a leader in tax preparation and financial services, seeking a Principal Software Engineer - Native Mobile. This role involves leading the design and development of native mobile applications across iOS and Android platforms, mentoring engineering teams, and driving modern development practices to enhance mobile experiences.

Responsibilities:

• Design and lead the development of robust, scalable, and secure native mobile applications using Swift (iOS) and Kotlin (Android)
• Define and enforce mobile architecture standards, including MVVM, Clean Architecture, and modular design principles
• Collaborate with product managers, designers, and backend engineers to translate business requirements into technical solutions
• Drive the implementation of CI/CD pipelines, automated testing, and performance monitoring tools (e.g., GitHub, Firebase, Sentry, Datadog)
• Lead code reviews, establish coding standards, and ensure adherence to security, usability and performance/scalability best practices
• Mentor and coach senior and junior mobile engineers, fostering a culture of continuous learning and innovation
• Evaluate and integrate third-party SDKs, APIs, and platform services to enhance app capabilities
• Stay current with platform updates (iOS/Android), emerging technologies, and industry trends to inform technical direction
• Design and oversee implementation of reusable code components to drive efficiency across teams

Requirements:

• Bachelor's degree in Computer Science or Engineering or related field or the equivalent through a combination of education and work experience
• Ten to twelve years experience in mobile development, with a strong portfolio of Native iOS and Android apps
• Deep expertise in Swift, Kotlin and platform-specific tools (Xcode, Android Studio)
• Proven experience with architecture, design, performance optimization and secure coding practices
• Experience with CI/CD tools (e.g. ADO, Bitrise, Github Actions) and automated testing frameworks (Junit, Espresso, XCTest)
• Strong understanding of mobile analytics, crash reporting and A/B testing
• Familiarity with Data Dog and Adobe Analytics
• Excellent communication, leadership and stakeholder management skills with the ability to interact with technical and non-technical team members of a project team across various locations
• Experience with shared SDKs, modular monorepos and micro-app architecture
• Deep understanding of App Store/Play Store compliance, enterprise deployment and mobile security frameworks (e.g. STRIDE, App Attest)
• Master's degree in Computer Science or 8 years or greater performing as a technical lead or architect for a major application / product
• Contributions to open-source mobile libraries or developer communities
• Experience converting large applications from a hybrid framework to mobile Native