VB.Net Application Developer

We are seeking a skilled VB.NET Application Developer to support and modernize a critical enterprise application while ensuring stability in a production environment. This role is ideal for someone who enjoys working with legacy systems, improving automation, and introducing modern testing and deployment practices without disrupting business-critical operations. The primary focus of this role is to modernize the deployment and testing infrastructure for a long-standing VB.NET and Oracle transaction processing application. Alongside modernization efforts, you will continue to provide production support, enhancements, and maintenance to ensure high availability and reliability of the system. Application Modernization and CI CD Design, build, and enhance automated deployment pipelines for .NET applications using Electric Flow or CloudBees. Develop database deployment pipelines for Oracle objects including DDL, stored procedures, and packages. Implement deployment validation steps and smoke tests to improve release confidence and consistency. Automated Testing and Code Quality Create and expand unit test coverage for existing business logic using NUnit, xUnit, or MSTest. Refactor legacy code to improve testability, maintainability, and performance. Introduce dependency injection patterns where appropriate and document testing standards and best practices. Production Support and Enhancements Investigate and resolve production issues, delivering timely bug fixes and enhancements. Modify Oracle queries, stored procedures, and packages as needed to support business requirements. Update and maintain file parsers to accommodate new data formats and integrations. Documentation and Knowledge Sharing Develop and maintain deployment runbooks to support operational teams. Create a clear testing strategy document outlining standards, tools, and patterns. Document refactoring decisions, architectural improvements, and code patterns used during modernization efforts. Technical Requirements Strong hands-on experience with VB.NET and ASP.NET Web Forms using .NET Framework 4.7.2. Proven experience working with Oracle databases, including PL SQL, stored procedures, and packages. Experience with unit testing frameworks and mocking libraries. Hands-on exposure to CI CD tools such as Electric Flow or CloudBees. Demonstrated ability to refactor and enhance large legacy codebases. Experience with Windows Server environments, IIS administration, and PowerShell scripting. Work Environment A mature VB.NET and Oracle codebase that has been in production for over 15 years. Limited existing automation, offering significant opportunity to add value through modernization. Predominantly manual deployment processes transitioning toward automation. Windows-based infrastructure supporting a high-availability production system. This role offers the opportunity to make a meaningful impact by improving reliability, test coverage, and deployment efficiency while supporting a mission-critical application. Qualified candidates are encouraged to apply to this job and bring their expertise to a team focused on modernization and operational excellence. What Makes HTC A Great Place To Build Your Future HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies. At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks. Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.