Senior Software Architect — Remote & Modernization Leader

One Call; Saint Paul (MN); Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote‑first

Generous PTO

Medical insurance

Dental insurance

Vision insurance

401(k) matching

Life insurance

Disability coverage

Counseling program

Foundation support

Job summary

One Call is seeking a Senior/Principal Software Engineer to drive architectural decisions and lead delivery in a large .NET environment. You will guide teams, shape technical strategy, and mentor engineers across .NET Framework, .NET Core, C#, VB.NET, and modern front-end stacks.

You will work in a remote-first setting, collaborating with Product and QA to deliver high-quality software for critical applications, while advancing modern development practices, CI/CD, and observability in a

Qualifications

• 10+ years building enterprise .NET applications in C# and VB.NET.
• Experience modernizing large legacy codebases and Azure cloud services.
• Strong front-end fundamentals with JavaScript/TypeScript and related UI frameworks.

Responsibilities

• Own architecture and design discussions across multiple apps and services.
• Provide hands-on guidance to teams across .NET, SQL, and front-end stacks.
• Drive CI/CD maturity, testing, observability, and quality.

Skills

Architectural depth

Leadership

NET expertise

C# / VB.NET

SQL Server

ASP.NET MVC / Web API

Azure DevOps

JavaScript/TypeScript

Tools

Azure DevOps

SQL Server

ASP.NET

WCF

Job description

One Call is seeking a Senior/Principal Software Engineer to drive architectural decisions and lead delivery in a large .NET environment. You will guide teams, shape technical strategy, and mentor engineers across .NET Framework, .NET Core, C#, VB.NET, and modern front-end stacks.

You will work in a remote-first setting, collaborating with Product and QA to deliver high-quality software for critical applications, while advancing modern development practices, CI/CD, and observability in a