Senior .NET Architect: Remote Modernization Lead

One Call is seeking a Senior/Principal Software Engineer to provide architectural depth and hands-on leadership in a complex, legacy-heavy environment undergoing modernization. This role sits at the center of technical decision-making, guiding engineers and delivering high-quality software across mission-critical applications.

You will work with .NET, SQL Server, WinForms/Web Forms and modern .NET Core, REST APIs, Azure DevOps, and JavaScript/TypeScript front-ends, shaping engineering practices