Mobile Application Developer - Dot NET MAUI - iOS - Android

Softthink Solutions Inc

1d•$45 - $55•Remote

About The Position

We are seeking an experienced Mobile Application Developer to develop and maintain secure, cross-platform mobile applications supporting enterprise business operations, including use in environments with limited or intermittent network connectivity. The role requires expertise in .NET MAUI, C#, iOS, Android, SQLite, and offline data synchronization, as well as experience integrating with Azure-hosted APIs and delivering reliable, high-performance mobile applications. The position is remote and requires US citizenship.

Requirements

Strong hands-on experience developing mobile applications using .NET MAUI and C#.
Experience building and deploying applications for both iOS and Android.
Experience using SQLite for local storage and offline application functionality.
Strong understanding of offline synchronization, conflict resolution, and data consistency.
Experience integrating mobile applications with RESTful APIs and JSON-based services.
Familiarity with Microsoft Azure and cloud-hosted backend applications.
Understanding of secure mobile development practices and authentication mechanisms.
Experience with Git, CI/CD pipelines, debugging, and mobile testing tools.
Strong troubleshooting, communication, and problem-solving skills.
US citizenship.

Nice To Haves

8+ years of software development experience, including significant mobile application development.
Experience with enterprise-scale offline-first mobile applications.
Experience with Azure App Services, API Management, and Azure SQL.
Experience migrating Xamarin applications to .NET MAUI.
Familiarity with mobile accessibility and Section 508 requirements.
Experience supporting field-based mobile applications and remote data collection workflows.
Experience working on Federal Government or regulated enterprise projects.
Familiarity with mobile application security, encryption, and device management.

Responsibilities

Design, develop, enhance, and maintain cross-platform mobile applications using .NET MAUI and C#.
Develop mobile applications for iOS and Android devices.
Implement offline-first functionality using SQLite and local data storage.
Design and implement reliable synchronization between mobile devices and cloud-hosted backend systems.
Handle synchronization conflicts, interrupted connectivity, data validation, error recovery, and secure data transmission.
Integrate applications with RESTful APIs, API gateways, and Microsoft Azure-hosted services.
Implement secure authentication, authorization, and mobile data protection mechanisms.
Collaborate with UI/UX designers, backend developers, business analysts, and QA teams.
Develop responsive, accessible, and user-friendly mobile interfaces.
Conduct unit, integration, regression, device compatibility, and performance testing.
Troubleshoot mobile application defects, performance issues, and synchronization failures.
Support mobile application builds, deployment processes, version management, and production releases.
Participate in Agile ceremonies, sprint planning, technical reviews, and application demonstrations.
Maintain technical documentation, interface specifications, user guides, and release documentation.