Senior Front End Application Developer (React Native, C# .NET)

About the role

We are seeking a senior Front End Application Developer to lead the evolution of our Managed Transportation mobile and web platforms. The role focuses on building new features with React Native CLI while maintaining high‑quality C#/.NET code in an agile environment.

Key responsibilities

• Design, implement, and test C#/.NET components for mobile features using React Native CLI.
• Continuously improve existing code through refactoring, TDD, and pair programming.
• Participate in agile ceremonies, estimate user stories, and ensure clear acceptance criteria.
• Review peer code, mentor teammates, and collaborate with business analysts, QA, and end‑users.
• Support production systems across relevant time zones and acquire deep domain expertise.

Required profile

• 5+ years of professional C#/.NET development (Framework 4.x or .NET Core/Standard).
• 5+ years of mobile experience with React Native CLI and related technologies (Xamarin, MAUI, Blazor).
• Strong background in automated testing (unit, functional) using NUnit, xUnit, SpecFlow, Playwright, Appium.
• Proven agile mindset with XP practices such as TDD, BDD, CI/CD, and pair programming.
• Experience supporting live systems and handling production incidents.

Required skills

• C#
• .NET (Framework 4.x, Core/Standard)
• React Native CLI
• Xamarin
• MAUI
• Blazor
• NUnit / xUnit
• SpecFlow
• Playwright
• Appium
• Git