Senior .NET Developer

LingaTech
Harrisburg, PA
Location: Harrisburg, PA
Engagement Type: Direct Hire
Position Type: Hybrid
Hybrid Schedule: 3 days per week onsite

Position Overview:

Senior .NET Developers are responsible for the design, development, and maintenance of scalable applications using C#, ASP.NET, .NET Framework, and related technologies. Integrations with SaaS environments and third-party resources may be necessary dependent upon the solution. They will collaborate with cross-functional teams and ensure the performance and security of applications and integrations as well as adherence to code and security policies.

The Senior .NET Developer will provide lead technical support and serve as a mentor for junior developers and other team members.

Duties:

  • Develop scalable applications using C#, ASP.NET, .NET Framework and related technologies.
  • Maintain existing solutions, paying attention to any new security items and keeping applications technologically relevant.
  • Optimize application performance, security, and reliability.
  • Troubleshoot technical issues and identify modifications needed in existing software applications to meet changing user requirements.
Design and Testing
  • Collaborate with product owners and business analysts to define requirements and deliver solutions.
  • Work with vendors of 3rd party software to resolve issues.
  • Write and perform comprehensive tests of solutions as individual units as well as the complete lifecycle.
Communication and Documentation
  • Communicate accurate and timely status and issues to management.
  • Document code and processes in accordance with existing policies and procedures.
Planning and Implementation
  • Plan, recommend, test, and implement solutions developed.
  • Maintain existing solutions and integrations ensuring application availability.
  • Integrate applications with databases, external APIs and potential third-party/SaaS resources.
Technical Leadership & Support
  • Lead technical design discussions and provide architectural guidance for complex projects.
  • Participate and contribute to continuous improvement initiatives.
  • Mentor junior developers, conduct code reviews, and enforce coding standards.
Required Qualifications:
  • Bachelor of Science - Computer and Information Science, Equivalent relevant experience (5-7 years)
  • Key skills
    • C# 10 or newer, Webforms, SQL database
    • Visual Studio 2019 or higher
    • Understanding of VB.Net
    • Waterfall methodology – Light agile, and DevOps
    • ASP.net
    • Web based technologies
    • Bootstrap 5+
    • JavaScript
    • XHTML
    • Awareness of ADA Compliance
    • Knowledge of security, risks and remediations
    • Communication
    • Strong Analytical Skills

Posted 2026-05-29

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