Principal Software Architect & Delivery Lead

One Call; Columbia (SC); Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

Remote work

Generous time off

Comprehensive benefits

Supportive programs

Job summary

One Call is seeking a Senior/Principal Software Engineer to deliver architectural depth and hands‑on leadership in a legacy‑heavy environment undergoing modernization. You will influence technical decisions, guide engineers, and drive high‑quality software across .NET, SQL Server, and front‑end stacks, with a strong emphasis on architectural excellence and reliability.

The role requires extensive experience (10+ years) in enterprise .NET, familiarity with Azure, and the ability to work

Qualifications

• 10+ years building enterprise .NET applications in C# (.NET Framework + .NET Core).
• Experience modernizing large legacy .NET codebases (service extraction, modularization, domain consolidation).
• Familiarity with Azure cloud services, logging, monitoring, and observability patterns.

Responsibilities

• Own and drive architecture and design discussions across multiple applications and services.
• Provide hands-on guidance to teams working across .NET, SQL, and mixed front-end stacks.
• Evaluate legacy architectures and propose modernization patterns with clear documentation.

Skills

Technical leadership

Architecture

Hands-on development

C#

ASP.NET

VB.NET

SQL Server

Azure DevOps

CI/CD

Mentorship

Tools

Azure DevOps

Jenkins

PowerShell

MSBuild

MSDeploy

Job description

One Call is seeking a Senior/Principal Software Engineer to deliver architectural depth and hands‑on leadership in a legacy‑heavy environment undergoing modernization. You will influence technical decisions, guide engineers, and drive high‑quality software across .NET, SQL Server, and front‑end stacks, with a strong emphasis on architectural excellence and reliability.

The role requires extensive experience (10+ years) in enterprise .NET, familiarity with Azure, and the ability to work