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Description We are looking for an experienced Software Developer to join our team in Seguin, Texas. In this role, you will work on both legacy and modern frameworks, contributing to the development and migration of critical systems while ensuring high performance and reliability. If you thrive in a dynamic environment and have a passion for scalable, maintainable software solutions, we encourage you to apply.

Responsibilities:

• Maintain and provide ongoing support for existing VB.NET and .NET Framework systems.

• Lead the migration of legacy systems to .NET 8 Core frameworks with modern front-end technologies such as React, Angular, or Blazor.

• Develop scalable, testable, and maintainable code by utilizing advanced software design patterns.

• Work across various layers of the stack, including user interfaces, backend services, databases, and DevOps.

• Collaborate with stakeholders to enhance system functionality and improve user experience.

• Monitor system performance, ensure uptime, and manage backup and recovery processes.

• Implement responsive and mobile-first designs compatible with modern browsers.

• Optimize database performance through stored procedures, indexing, and tuning.

• Configure and manage Windows Server environments to support .NET applications.

• Utilize Git for version control and maintain code integrity across development cycles. Requirements • Extensive experience with VB.NET, ASP.NET Web Forms, and legacy .NET platforms.

• Proficiency in .NET 6–8 (Core), C#, and advanced .NET development practices.

• Hands-on experience with modern front-end frameworks like Blazor, React, Angular, or Vue.js.

• Strong skills in HTML5, CSS3, JavaScript, and jQuery.

• Advanced expertise in SQL Server, including stored procedures, indexing, and performance optimization.

• Familiarity with Windows Server configuration and management for .NET applications.

• Experience using Git for version control and collaborative development.

• Knowledge of Agile Scrum methodologies and tools such as Atlassian Jira for task tracking and bug resolution. Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

• 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .