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Senior Full Stack .Net Developer - 3312308

Wilmington, DE

Job Number: 3312308 Pay Rate: $75-$90+/hr Is Position Remote?: No

Job Description

*12+ Month Contract Opportunity*


Lighthouse Technology Services is partnering with our client to fill their Senior Full Stack .NET Developer position! This is a 12+ month contract opportunity and will be hybrid in Wilmington, DE. This role will be a W2 employee of Lighthouse Technology Services. 


What You'll Be Doing:

  • Design and develop full-stack web applications using WebForms, .NET MVC, C#, SQL Server, and Angular.
  • Migrate existing .NET web applications to Azure Cloud.
  • Develop complex web applications including SSO authentication, data modeling with Entity Framework Core, and test-driven development (TDD).
  • Lead and oversee complex systems analysis, design, and development efforts.
  • Act as a technical lead and individual contributor on major projects, while mentoring junior developers.
  • Collaborate with development, operations, and technology staff from technical analysis through user acceptance testing.
  • Prepare test data, review and execute test plans, and perform debugging as needed.
  • Analyze highly complex interdependencies between programs, interfacing applications, and platforms.
  • Create and maintain thorough technical and functional specifications and systems documentation.
  • Prepare and review technical assessments, including time and effort estimations.
  • Ensure optimal performance and effectiveness of supported applications.
  • Recommend new technologies or processes and lead technical evaluations of vendor software.
  • Adhere to and promote development standards and procedures.
  • Maintain expert-level knowledge of supported applications, environments, and technologies.
  • Support capital and expense budget development.


What You'll Need to Have:

  • 10+ years of overall software development experience.
  • 5+ years of experience with Angular and UI frameworks (PrimeNG or KendoUI).
  • 5+ years of .NET Core (v6+) and .NET Framework (v4.8) using C#.
  • 3+ years of experience developing Web APIs.
  • 5+ years working with ASP.NET WebForms.
  • 3+ years of experience using Entity Framework Core.
  • 3+ years of unit testing experience and familiarity with mocking tools.
  • 5+ years of experience with SQL Server.
  • 2+ years of experience using GitLab for source control and CI/CD.
  • 3+ years of hands-on experience with Azure Cloud, including refactoring/migrating WebForms apps to Azure.
  • Good understanding of SOLID principles and clean coding practices.


Nice to Have:

  • Experience with Dependency Injection frameworks.
  • 2+ years of DevOps experience (CI/CD scripting and support).
  • Integration experience with platforms like DocuSign or FileNet.


Pay Range: $75-$90+/hr


Questions about any of our jobs? Email us at [email protected]


View all of our open jobs here: jobs.lhtservices.com

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About Wilmington, DE

Ready to embark on an exciting career journey in the vibrant city of Wilmington, Delaware? Nestled in the heart of the Mid-Atlantic region, Wilmington offers a perfect blend of historic charm and modern opportunities. Known for its stunning riverfront views along the Christina River, diverse culinary scene, and cultural attractions like the Delaware Art Museum and The Grand Opera House, this city boasts a thriving arts community and a range of outdoor recreational activities at places like Brandywine Park. Home to professional sports teams like the Wilmington Blue Rocks, picturesque gardens, and a rich history waiting to be explored, Wilmington is the ideal place to take your career to new heights. Explore our job listings now and discover the endless possibilities that await you in this enchanting city.