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Senior .NET developer

Peraton

$86,000 - $138,000
Sep 12, 2025
Colorado Springs, CO, USA
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Peraton is seeking a Senior .NET Developer to develop and sustain a mission-critical, large-scale .NET application that directly supports national transportation security initiatives for the Department of Homeland Security (DHS).

Requirements

  • 5+ years of hands-on experience with C and ASP.NET in a software development.
  • Data analysis, consolidation and reconciliation.
  • Multi-source data integration and de-duplication.
  • Analysis of trends and patterns, query development and reporting.
  • User interface design and development.
  • Hands-on, working knowledge of .NET Framework and SQL Server.
  • Significant understanding of the ASP.NET (v4.0+) and .NET Core.

Responsibilities

  • Support full life-cycle development of a large enterprise .NET application.
  • Develop, enhance, and support a high-availability, enterprise-scale .NET application.
  • Perform data analysis and develop logic for integrating and reconciling complex data sources.
  • Design and implement clean, responsive user interfaces and work-flows.
  • Support mobile application development and ensure modern, scalable code standards.
  • Collaborate with cross-functional teams to implement CI/CD pipelines and develop best practices.
  • Design and implement modern, intuitive user interfaces and data reporting tools.

Other

  • Must be able to work on-site 3 days per week (Tuesday – Thursday).
  • Candidate must have the ability to report up to 5 days per week as needed.
  • US Citizenship required.
  • Must have an Active Secret clearance to be considered.
  • Bachelor’s degree and 8+ years’ experience or Associate’s degree and 10+ years’ experience or HS diploma/equivalent and 12 years experience.