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# Senior Software Engineer(.Net/Angular/Node) REQ_154

- **Company:** 3Pillar Global
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Business Logic, Software Applications, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Databases, Serialization, Relational Databases, JSON, Microsoft Dynamics, Windows Presentation Foundation, Node.Js, Nunit, Object-Oriented Software Development, Mstest, Software Engineering, Systems Integration, Windows Forms, Extensible Markup Language (XML), .NET Core, Backend, Git, Xunit, AngularJS, Front End Software Development, Restful APIs, Software Version Control, Web Api
- **Published:** October 25, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=3c637d56e0088dad

## About the Role

* Demonstrated expertise with at least 5+ years of experience in one specified technology.
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C#
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.NET (.NET Framework and .NET Core / modern .NET), ASP.NET Core Web API, relational databases and SQL, with front-end experience in Angular.

 * Experience modernizing legacy .NET Framework applications, including moving business logic into APIs or services and migrating to the cloud.
 * Experience in engineering software systems of medium-to-large scope and complexity.
 * Hands-on experience with Node.js and Angular, including upgrading Angular applications across versions.
 * Experience integrating with Microsoft Dynamics (ERP and/or payroll).
 * Experience designing and building RESTful APIs.
 * Familiarity with Agile software development methodologies.
 * Proficiency with relational databases and SQL.
 * Experience in building frontend/backend applications at scale.
 * Experience with cloud platforms (AWS and Azure).
 * Proficiency in the English language.

Additional Experience Desired:

 * Experience with business rules engines or externalizing business rules from application code.
 * Domain experience in billing, claims processing, or payroll systems, ideally in healthcare or home care.
 * Experience with .NET desktop applications (WinForms/WPF) and migrating them to the cloud.
 * Experience with unit testing (e.g., xUnit, NUnit, MSTest).
 * Knowledge of source control tools (e.g., Git).
 * Proficiency in Object-Oriented Programming (inheritance, polymorphism, classes, instances, properties).
 * Knowledge of protocols like HTTP, and serialization formats like JSON and XML.
 * Understanding of Software Development Life Cycle (SDLC).
 * Knowledge of document databases.

## Description

* Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
 * Provide accurate status tracking, reporting, and estimation using project methods and tools.
 * Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.
 * Execute activities within the current methodology and uphold the highest quality standards.
 * Foster collaboration with fellow engineers, designers, and managers to comprehend user pain points and iterate on solutions that drive client success.
 * Take ownership of projects, from technical design to a successful launch.