Remote Principal Software Engineer, Architectural Leader

One Call; Providence (RI); Remote; USD 130,000 - 180,000; Full time

Benefits offered by this job

Remote work

Generous time off

Comprehensive benefits

Life insurance

Disability coverage

401(k) matching

Colleague Assistance Program

One Call Foundation

Job summary

One Call is seeking a Senior/Principal Software Engineer to guide architectural decisions in a legacy-heavy, modernizing environment. You will lead hands-on development in .NET, SQL Server, and front-end stacks, drive CI/CD practices, and mentor teams while operating in a remote-first setting.

You’ll couple deep technical leadership with pragmatic delivery across REST APIs, Azure, and legacy WinForms/Web Forms alongside modern .NET Core, ensuring reliable, scalable software for

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.
• Experience in healthcare, workers' compensation, claims processing, or regulated industries.
• Experience with distributed queues, messaging patterns, event-driven architecture.

Responsibilities

• Own and drive architecture and design discussions across multiple applications and services.
• Provide pragmatic, hands-on guidance to teams working across .NET, SQL, and mixed front-end stacks.
• Evaluate legacy architectures and propose modernization patterns (service boundaries, APIs, refactors, consolidation).
• Facilitate technical decision-making with crisp rationales, tradeoff analysis, and clear documentation.
• Champion engineering excellence: code quality, testing, CI/CD maturity, observability, and maintainability.

Skills

C#

VB.NET

.NET Core/.NET Framework

ASP.NET MVC

Web API

SQL Server

WinForms

Web Forms

Azure DevOps

JavaScript/TypeScript

REST APIs

WCF

PowerShell

SSIS

Bootstrap

Entity Framework

LINQ

Dapper

MSTest/NUnit/XUnit

Tools

Azure DevOps

Git

Visual Studio

MSBuild

Job description

One Call is seeking a Senior/Principal Software Engineer to guide architectural decisions in a legacy-heavy, modernizing environment. You will lead hands-on development in .NET, SQL Server, and front-end stacks, drive CI/CD practices, and mentor teams while operating in a remote-first setting.

You’ll couple deep technical leadership with pragmatic delivery across REST APIs, Azure, and legacy WinForms/Web Forms alongside modern .NET Core, ensuring reliable, scalable software for