Principal Software Engineer - Mobile Native

H&R Block

3d•Remote

About The Position

Visionary and hands-on Principal Mobile Native Engineer will lead the design, development, and evolution of our next-generation native mobile applications across iOS and Android platforms. This role is pivotal to our strategic transition from hybrid frameworks to fully native mobile experiences, supporting products like MyBlock and Spruce. As a technical leader, you will architect scalable, performant, and secure mobile solutions, mentor engineering teams, and drive the adoption of modern development practices and architectural patterns. You will collaborate closely with cross-functional teams including Product, Design, and Engineering to deliver best-in-class mobile experiences that align with our long-term product roadmap and enterprise architecture standards.

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)

Nice To Haves

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

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.

Benefits

Specific benefits may vary based on your role. For detailed eligibility requirements and benefits information, visit blockbenefits.com.
Qualifying associates can enroll themselves and/or their eligible dependents in medical and prescription drug coverage; can participate in the H&R Block Retirement Savings Plan (401(k) Plan), the Employee Assistance Program, (virtual) fitness center programs, and the associate discount program; are automatically enrolled in Business Travel Accident Insurance; and receive Associate Tax Prep benefit.

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