Mobile Application Developer - Dot NET MAUI - iOS - Android

Mobile Application Developer – .NET MAUI / iOS / Android
Work Authorization: US Citizen
Location: Remote

Position Overview
We are seeking an experienced Mobile Application Developer with expertise in .NET MAUI, C#, iOS, Android, SQLite, and offline data synchronization. The ideal candidate will develop and maintain secure, cross-platform mobile applications that support enterprise business operations, including applications used in environments with limited or intermittent network connectivity. The position requires strong mobile development expertise, integration with Azure-hosted APIs, and experience delivering reliable, high-performance mobile applications.

Key Responsibilities
• Design, develop, enhance, and maintain cross-platform mobile applications using .NET MAUI and C#.
• Develop mobile applications supporting iOS and Android devices.
• Implement offline-first functionality using SQLite and local data storage.
• Design and implement reliable synchronization mechanisms between mobile devices and cloud-hosted backend systems.
• Handle synchronization conflicts, interrupted connectivity, data validation, error recovery, and secure data transmission.
• Integrate mobile 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 testing, integration testing, regression testing, device compatibility testing, 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.

Required Qualifications
• 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.

Preferred Qualifications
• 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.

Softthink Solutions’ mission is to drive continuous innovation in IT services by prioritizing product development and implementing trustworthy computing practices. Our focus on secure and reliable product delivery is backed by sound business practices and a commitment to the long-term satisfaction of our clients in every project, regardless of its size or complexity.

Through our innovative solutions and dedicated team of experts, we strive to exceed our clients’ expectations and set the standard for excellence in the IT industry.

At Softthink Solutions, our vision is to be a trusted partner for our clients, empowering them to bring their ideas to life in the most efficient and effective manner possible. We are committed to using established best practices, industry-standard processes, and cutting-edge technology to deliver top-notch solutions that exceed expectations.

Our goal is to be recognized as leaders in the industry for our innovative, reliable, and secure IT services and solutions, and to drive the success of our clients through every project we undertake.

STSI is an independent US-based Software services and consulting partner with a primary focus on long-term relationships with both clients and team members.

STSI offers team members cutting-edge technology, training, and career guidance to expand and grow their skill sets and bring maximum value to our clients.

STSI is constantly reviewing and expanding its people strength and strives to optimally match client needs to team member talents. We are a people-oriented company seeking the best and brightest to join our team. We work with a variety of employment statuses – from citizens to permanent residents to H1B and EAD immigrants. We have openings for entry level as well as senior positions across a variety of specializations with active in-house and client projects.

In an industry that’s constantly reinventing itself, STSI challenges its team members and consultants with engagements that involve specialized services and advanced IT solutions – applying agile development principles, methodical planning, creative thinking, and continuous learning. A dynamic environment keeps our team members ahead of the curve by providing: