Senior Application Developer (.NET / NIEM) - 26-04298


IT - PA - Harrisburg, PA
Harrisburg, Pennsylvania
Locations: Harrisburg, Allentown, Erie, Philadelphia, Pittsburgh
Posted On: April 21, 2026
Last Day to Apply: April 28, 2026

Job Title: Senior Application Developer (.NET / NIEM)

Location: Harrisburg, PA
Duration:
Long-Term Contract
Schedule: Standard hours + occasional after-hours support


Role Overview

"Navitas Partners, LLC" is seeking experienced Senior Application Developers to support mission-critical enterprise systems. This role focuses on development, integration, system stability, and modernization using Microsoft technologies and NIEM standards.


Key Responsibilities

  • Develop, support, and enhance enterprise applications
  • Troubleshoot complex, multi-system issues and ensure system stability
  • Drive performance, capacity planning, and continuous improvements
  • Support enterprise integrations and system migrations
  • Maintain technical documentation, standards, and KPIs
  • Collaborate with cross-functional teams and stakeholders

Required Skills & Experience

  • Bachelor’s degree required
  • 6+ years in full SDLC on Microsoft stack
  • 5+ years: .NET Framework, ASP.NET, C#, WCF, MS SQL Server, Visual Studio, OOP
  • 2+ years: .NET Core, Web API
  • Strong experience with XML/XSD, XSLT, XPath
  • 3+ years: NIEM (IEPD lifecycle), ESB migration (SOAP/REST), XML namespace/versioning
  • Experience with technical documentation and production support
  • Ability to work independently with strong problem-solving skills

Nice to Have

  • Experience with Azure

For more details reach at resumes@navitassols.com

About Navitas Partners, LLC: It is a certified WBENC and one of the fastest-growing Technical / IT staffing firms in the US providing services to numerous clients. We offer the most competitive pay for every position. We understand this is a partnership. You will not be blindsided and your salary will be discussed upfront.

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