• Translate designs and wireframes into high quality code. • Design, develop, and maintain Android mobile applications with a focus on payment functionality and transactional security. • Ensure the best possible performance, quality, and responsiveness of the application. • Utilize GIT and JIRA/Confluence to manage your work. • Work closely with your peers, QA, Product and Executives to define, design, implement and release new features to our users. • Participate in code and design reviews with your peers to ensure high quality, efficient code and design are used in all your work. • Spend time researching and evaluating new and relevant technologies and techniques in the mobile space. • Evaluate new versions of Android, Android Studio and related libraries and technologies used in our apps. • Work closely with our build/release engineering to ensure successful delivery to our end users for new features and fixes. • Implement and integrate payment SDKs, APIs, and third-party payment services (Apple Pay/Google Pay, etc.). • Ensure applications comply with PCI-DSS standards and other relevant financial regulations. • Stay up to date with the latest trends and best practices in mobile payments and Android development.

• Build new Android app features • Bring features that exist in one platform to the other to reach parity • Help with Tier II support. If CX can’t figure out a customer issue, you look deeper into it. • Work with product/engineering to brainstorm how to solve problems and reduce customer issues • Fix bugs, build features, etc that help reduce customer issues • Design/plan and build great mobile architectures that map well to both platforms • Implement cross platform code for business logic • Write tests for new features and implement tests for existing features

• Develop, test, and maintain React Native applications. • Write code for tasks with evolving requirements with minimal guidance. • Build custom native Android modules, and integrate third-party Android frameworks into React Native applications. • Collaborate effectively with cross-functional teams, including UI/UX designers and backend engineers. • Conduct thorough code reviews and contribute to maintaining a high standard of code quality. • Maintain knowledge of mobile security best practices. • Work with subject matter experts to produce requirements and develop solutions. • Analyze existing software to debug and troubleshoot reported issues. • Estimated workload split: 80% React Native, 20% Android.

• Lead the architecture and development of primary mobile applications for iOS (iPad focus) and Android, ensuring maximum performance and reliability in the field. • Develop complex real-time visualization features, including maps, live video streaming, and dynamic telemetry overlays. • Drive the selection and implementation of mobile-first technologies, balancing the speed of cross-platform frameworks with the performance and hardware access of native development. • Optimize mobile applications for battery efficiency, memory usage, and low-latency data processing—critical for long-duration field operations. • Implement robust offline-first synchronization patterns to ensure mission continuity in areas with intermittent connectivity. • Collaborate with backend and hardware teams to define efficient API contracts and low-level communication protocols. • Work closely with UI/UX designers to implement interfaces adapted for varying field conditions. • Mentor junior developers and establish mobile best practices for CI/CD, automated testing, and crash reporting. • Ensure compliance with high-security standards and data privacy regulations across all mobile touchpoints.