Backend .NET Developer

Overview

GDC IT Solutions is currently seeking a Backend .NET Developer to support Penn National Insurance in a hybrid capacity, with an onsite requirement of once every two weeks. This position offers an opportunity to contribute to backend development and API modernization initiatives, leveraging modern .NET technologies to enhance existing enterprise systems and integrations.

As a Backend .NET Developer, you will be responsible for designing, developing, maintaining, and modernizing backend applications and REST APIs supporting the organization's Guidewire Billing environment. You will play an important role in enhancing existing API infrastructure, expanding integrations with Guidewire BillingCenter, and supporting initiatives to modernize how enterprise systems access and utilize data. The ideal candidate will have approximately 4–5 years of hands-on development experience, strong C# and .NET expertise, and the ability to independently deliver technical solutions while collaborating with cross-functional teams. This role requires someone who stays current with modern development practices, communicates effectively, and is comfortable contributing ideas and technical recommendations

Responsibilities

• Design, develop, maintain, and enhance backend applications and REST APIs using .NET and C#.

• Modernize existing API infrastructure and develop new APIs to support enterprise application integrations.

• Build and expand REST API capabilities around Guidewire BillingCenter.

• Support the Guidewire Billing team and integrations across existing enterprise systems.

• Contribute to modernization initiatives involving newer .NET technologies, including .NET 8, .NET 9, and .NET 10.

• Troubleshoot technical issues, identify opportunities for improvement, and independently implement solutions.

• Assist with data integration and data architecture initiatives as needed.

• Collaborate with team members and stakeholders to evaluate technical approaches and recommend solutions.

• Provide technical input, challenge existing approaches when appropriate, and help drive continuous improvement.

Minimum Qualifications

• Associate degree in a technical field, technical degree, or equivalent combination of education and professional experience.
• Minimum of four (4) years of programming and systems analysis experience.
• Strong experience with Microsoft SQL Server, including SQL, T-SQL, SSIS, and SSRS.
• Proficiency with C#, .NET technologies, VB.NET, and ASP.NET.
• Experience using source control and version management tools such as GIT.
• Understanding of software development lifecycle (SDLC) and systems development methodologies.
• Strong problem-solving, analytical, and troubleshooting skills.
• Excellent verbal and written communication skills.
• Demonstrated ability to manage multiple priorities and meet deadlines.
• Strong customer service and stakeholder engagement skills.
• Proficiency with Microsoft Office products including Word, Excel, PowerPoint, and Visio.

• Experience with Guidewire BillingCenter or other Guidewire platform solutions.

• Familiarity with SSIS, data integration, and data architecture concepts.

• Practical experience leveraging AI tools to improve software development workflows and productivity.

• Experience supporting enterprise application integrations and modernization initiatives.

• Exposure to cloud-based application environments and cloud migration initiatives.

GDC IT Solutions (GDC) is a full-service Information Technology (IT) company providing solutions that empower businesses to increase employee productivity, maximize investments, and improve operational efficiencies. With experienced and certified professionals, we deliver services in the areas of application development, data center, 24/7 multilingual service desk, desktop lifecycle management, project management, business process consulting, and IT staff augmentation. 

What Makes GDC Different:

Our employees are our greatest asset continually driving our success each and every day. We attract and maintain the best talent to provide a personal customer experience at every touchpoint. Our technology professionals care about day-to-day client interactions and resolving customer issues quickly and efficiently, the first time. We deliver services with a code of high ethical responsibility, both to protect our clients and to assure that the work is carried out at the maximum level of professionalism. We are technology experts remaining one step ahead as technology evolves and constantly engaging to understand our clients’ business technology needs in order to deliver the best possible solution. 

Why Work for GDC?

• Cutting Edge Technology and Innovation: GDC fully supports and embraces continuing education and industry certifications to stay ahead of trends and remain current within the technology landscape. We recognize that our employees add the real value to our clients and to our business. By approaching our daily operations with a passion for innovation and a shared-learning environment, everyone can make a positive difference.

• Career Growth: GDC is one of the fastest growing companies in the region!  Sustained growth means ongoing opportunity. Many of our senior leaders have grown within the company, starting with the helpdesk or other entry-level roles to become thought leaders in the fields of IT infrastructure, application development, project management, and business development.

• Employee-Centric Environment: GDC prides itself on employee satisfaction with a firm belief that happy employees are the most productive employees. In appreciation of our employees and their contributions, we sponsor numerous events throughout the year including an annual gala, golf, lunch barbeques and more.

• Comprehensive Benefits Package: GDC offers competitive compensation, excellent benefits, and a positive work environment designed around the philosophy of mutual respect. Our comprehensive benefits package includes medical, dental, prescription, vision, 401(k), short and long-term disability, and group life

• Holiday and Vacation: GDC firmly believes in a comfortable work-life balance, and we offer comprehensive holiday and paid-time-off (PTO) packages.  We provide a generous PTO package, and we encourage our staff to use it — whether it’s for vacation or other personal reasons everyone needs time to relax and refresh.

Equal Opportunity Workplace:

GDC is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. All qualified applicants will receive consideration for employment.

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