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West 4th Strategy Logo

Sr. .NET Developer

West 4th Strategy

Salary not specified
Oct 17, 2025
Lanham, MD, US
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The IRS is seeking a skilled .NET Developer to design, develop, test, and maintain enterprise-grade web applications that support mission-critical business operations.

Requirements

  • 5+ years of professional experience developing .NET applications.
  • Strong proficiency with C-Sharp, ASP.NET Core
  • Experience with SQL Server or other relational databases.
  • Familiarity with JavaScript, HTML5, CSS3, and modern UI frameworks.
  • Knowledge of Azure, AWS, or other cloud environments is a plus.
  • Understanding of Agile methodologies and source control (Git, GitHub, Azure DevOps).
  • Excellent analytical and problem-solving skills

Responsibilities

  • Design, develop, and maintain web applications using .NET Core / .NET Framework and C-Sharp
  • Build and consume RESTful APIs for data exchange across enterprise systems.
  • Support front-end integration using Angular, React, or Razor Pages
  • Develop and maintain database schemas, stored procedures, and queries in SQL Server
  • Ensure application security, performance tuning, and compliance with best practices.
  • Participate in Agile/Scrum ceremonies including sprint planning, standups, and retrospectives.
  • Conduct code reviews, unit testing, and support integration testing.

Other

  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
  • Must have a IRS MBI Clearance
  • Full time = 40 hours a week, 8 hours a day
  • Employment Classification Eligibility — W2 / 1099 (will be W-2 most of the time)
  • Applicants will be subject to a background investigation.