Senior Platform Engineer

We're seeking a Senior Full Stack Platform Engineer to design and build modern web and mobile applications using the Microsoft stack. This role centers on delivering scalable, high-performance solutions with .NET, ASP.NET Core, and .NET MAUI, supporting seamless experiences across web, iOS, and Android platforms.

You'll work across the full stack-owning frontend, backend, and API development-while helping shape platform architecture and engineering best practices.

What You'll Do

• Design and develop full stack applications using C#, .NET, and ASP.NET Core

• Build and maintain cross-platform mobile apps with .NET MAUI (iOS/Android)

• Develop modern web applications and responsive user interfaces

• Design and implement RESTful APIs and backend services

• Own end-to-end delivery across UI, services, and data layers

• Ensure performance, scalability, and reliability across web and mobile platforms

• Collaborate with product and engineering teams to deliver business solutions

What You Bring

• 5-8+ years of full stack development experience

• Strong expertise in C#, .NET, ASP.NET Core

• Hands-on experience with .NET MAUI or Xamarin for mobile development

• Experience building modern web apps (Blazor, React, Angular, etc.)

• Solid understanding of API design, microservices, and cloud platforms (Azure preferred)

• Experience with SQL and data modeling

• Familiarity with CI/CD, automated testing, and Agile development

• Strong problem-solving skills and ability to work across the stack, All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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