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Haystack

Senior Full Stack Developer

North America

August 13, 2026 at 8:02 PM

✨ AI summary

Location

  • Washington DC-Baltimore Area

Languages

  • C#
  • JavaScript (jQuery)
  • HTML5
  • CSS3

Frameworks

  • ASP.NET
  • ASP.NET Web API/MVC
  • Windows Communication Foundation (WCF)
  • AngularJS
  • Angular
  • xUnit

Databases

  • Microsoft SQL Server

Experience Level

  • 10+ years ASP.NET development
We're working with an innovative technology company dedicated to improving health and human services delivery through cutting-edge solutions. They focus on streamlining administrative processes to ensure millions can access critical care and support, from comprehensive case management to disaster recovery.

The Role

  • Design and develop robust software solutions in a team environment.
  • Communicate software designs effectively to team members and monitor progress.
  • Contribute to the development of ASP.NET applications.
  • Apply object-oriented design patterns and Domain Driven Design principles.
  • Implement unit tests and support test-driven development methodologies.
  • Work collaboratively using revision control systems like GIT or TFS.

What You'll Need

  • 10+ years of experience in ASP.NET application development.
  • Strong proficiency in .NET 4.5 and C# programming from scratch.
  • Experience with HTML (preferably HTML5), JQuery, and CSS3.
  • Knowledge of Windows Communication Foundation (WCF) and ASP.NET Web API/MVC.
  • Familiarity with xUnit Unit Testing Framework.
  • Experience with Microsoft SQL Server and front-end frameworks like AngularJS and Angular.
  • Bachelor's degree or equivalent work experience.

What's On Offer

  • The opportunity to make a real impact by leveraging technology for social good.
  • Work with a team committed to product quality and effective solutions.
  • Full-time position with comprehensive company benefits.
  • A collaborative and supportive team environment.

Apply via Haystack today!