Senior .NET Mobile Developer (iOS & Android) – B2B Contract (Start: August 2026)

We are looking for an experienced .NET Mobile Developer to join a medical-grade mobile application project for Viollier. The role requires strong expertise in modern mobile application architecture, performance-driven development, and native mobile development using the latest .NET mobile stack. You will contribute to the development and maintenance of high-quality healthcare applications, working closely with product owners, architects, and development teams in a regulated environment where reliability, maintainability, and performance are critical.#LI-II1

• Important Technology Stack
• Native .NET 10 for iOS and .NET 10 for Android (former Xamarin.iOS & Xamarin.Android)
• MvvmCross
• Azure DevOps & Azure Pipelines
• Git
• CI/CD and automated quality gates
• Please note: This project does not use Xamarin.Forms or .NET MAUI.
• Develop and maintain medical-grade mobile applications using .NET 10 for iOS and .NET 10 for Android.
• Implement clean, maintainable, and testable mobile solutions following MvvmCross and MVVM best practices.
• Build high-performance, responsive user experiences suitable for healthcare workflows.
• Ensure application stability, reliability, and scalability across mobile platforms.
• Collaborate with architects and technical leads on application design and long-term maintainability.
• Work with Azure DevOps, Git, and Azure Pipelines to support modern CI/CD processes.
• Participate in code reviews and contribute to engineering standards and best practices.
• Collaborate closely with cross-functional teams in a quality-driven and regulated environment.
• Contribute to architectural decisions and continuous improvement initiatives.

• Strong experience developing mobile applications with .NET for iOS and .NET for Android.
• Proven experience with MvvmCross and strict MVVM architecture.
• Solid understanding of mobile application architecture, lifecycle management, and performance optimization.
• Experience building scalable and maintainable mobile solutions in enterprise environments.
• Hands-on experience with Azure DevOps, Azure Pipelines, and Git.
• Strong understanding of clean code principles, SOLID design, and software craftsmanship.
• Ability to work independently while collaborating effectively within distributed teams.
• Strong communication skills and a proactive, solution-oriented mindset.
• Nice to Have
• Experience in healthcare, medical, laboratory, or other regulated industries.
• Knowledge of mobile security and compliance requirements.
• Experience with automated testing and mobile CI/CD pipelines.
• Experience modernizing legacy Xamarin applications to the latest .NET mobile stack.
• Familiarity with SVG rendering and advanced mobile UI customization.
• What We Offer
• Opportunity to work on a meaningful healthcare solution with real-world impact.
• Collaborative international environment.
• B2B engagement
• Project start: August 2026