Middle .NET MAUI Developer – Part-Time

• Review the existing codebase, dependencies, and build configurations
• Upgrade the application from .NET MAUI 8 to .NET MAUI 10
• Resolve build and runtime issues on Android and iOS
• Identify and address compatibility issues in NuGet packages, native integrations, and platform-specific code
• Collaborate with QA to investigate regression results and reproduce defects introduced or exposed by the upgrade
• Estimate and implement approved fixes required for release readiness
• Document migration changes, unresolved issues, technical risks, and release prerequisites
• Support the migration of an additional mobile application if approved

• Strong commercial experience with C# and .NET MAUI
• Proven hands-on experience upgrading existing production applications between major .NET/MAUI versions
• Experience building and debugging MAUI applications for both Android and iOS
• Ability to troubleshoot dependency conflicts, build failures, runtime crashes, and platform-specific regressions
• Experience with mobile application signing, packaging, and release preparation
• Ability to assess an unfamiliar codebase, identify technical risks, and provide realistic estimates based on code review
• Ability to work independently and communicate findings clearly, including the distinction between a successful build and a release-ready application
• English level: B2 (Upper-Intermediate) or higher
• Nice to have: Experience migrating applications from .NET MAUI 8 to .NET MAUI 10
• Nice to have: Experience maintaining applications previously migrated from Xamarin.Forms
• Nice to have: Familiarity with Azure DevOps and mobile CI/CD pipelines
• Nice to have: Experience with App Store and Google Play submissions