Mobile Application Developer

• Develop, enhance, test, and maintain OARS mobile application functionality for iOS and Android using .NET MAUI.
• Implement and maintain offline data synchronization using SQLite so mobile users can work with application data when connectivity is limited or unavailable.
• Develop and maintain synchronization between the mobile applications and OARS APIs, meeting the requirement that mobile sync operations complete within 60 seconds.
• Support reliable synchronization behavior, including handling connectivity interruptions, failed or retried exchanges, data consistency, and synchronization errors.
• Integrate mobile application functionality with OARS APIs, Azure-hosted microservices, and applicable external services.
• Support Esri integration and mobile mapping capabilities where required by prioritized OARS requirements.
• Implement new functional and non-functional requirements and participate in Agile sprint planning, development, testing, and review activities.
• Create and maintain unit, integration, automated, regression, and smoke tests as applicable; support performance testing and issue remediation.
• Validate and document Section 508 accessibility requirements for mobile functionality and participate in quarterly accessibility testing.
• Support application security requirements, including mandatory MFA for authentication and FedRAMP Moderate security controls, in coordination with the broader OARS team.
• Support mobile releases and production deployments, troubleshoot mobile application issues, and coordinate with API, backend, QA, and infrastructure personnel.
• Maintain mobile-related architecture documents, user guides, training materials, security documentation, and final release package materials.

• Professional experience developing mobile applications for iOS and Android.
• Hands-on experience with .NET MAUI; experience with closely related .NET cross-platform mobile frameworks may be considered where the candidate can demonstrate directly transferable skills.
• Experience with C# and integrating mobile applications with REST APIs or backend services.
• Experience implementing local mobile data storage and offline application functionality using SQLite or a comparable embedded database.
• Experience implementing or supporting synchronization between mobile applications and backend systems.
• Experience testing and troubleshooting mobile applications on iOS and Android devices or platform simulators.
• Ability to collaborate with backend/API developers, QA personnel, and business stakeholders in an Agile development environment.

Preferred / Differentiating Experience

• Production experience delivering .NET MAUI applications for both iOS and Android.
• Demonstrated experience meeting a defined mobile synchronization performance target, particularly a 60-second completion requirement.
• Experience with offline-first mobile design, synchronization reliability, conflict handling, and data consistency.
• Experience with Esri/ArcGIS mobile mapping or geospatial data integration.
• Experience implementing and testing Section 508 accessibility in mobile applications, including assistive technology and platform accessibility features.
• Experience supporting applications subject to FedRAMP Moderate or comparable federal security requirements and mandatory MFA.
• Experience with mobile CI/CD, automated mobile testing, release packaging, signing, and production support.

$110,000 - $115,000 per year