Senior Principal Software Architect - Remote Modernization

One Call is seeking a Senior/Principal Software Engineer to provide architectural depth, delivery excellence, and hands-on leadership in a legacy-heavy environment that is actively modernizing. This is a high-influence technical leadership role with both backend and frontend responsibilities.

You will guide engineers across .NET, SQL Server, WinForms/Web Forms, and modern .NET Core, REST APIs, Azure DevOps, and JavaScript/TypeScript fronts.