We are looking for an experienced Sr. Software Engineer to join a municipal technology team in Florida. This contract opportunity with potential for a permanent role is ideal for a hands-on engineer who can support business-critical applications, contribute to modern .NET development efforts, and help maintain continuity within a small, highly collaborative IT environment. The role is fully onsite and offers the chance to work closely with internal stakeholders on application support, integration work, and platform improvement initiatives.<br><br>Responsibilities:<br>• Maintain and enhance existing business applications while contributing to the design and delivery of new software solutions.<br>• Investigate, prioritize, and resolve application support issues to keep services reliable for internal users and departments.<br>• Build and support integrations between internal systems and third-party platforms, ensuring dependable data flow and process efficiency.<br>• Develop and troubleshoot solutions using technologies such as C#, ASP.NET, .NET Core, JavaScript, React.js, and VB.NET.<br>• Partner with a small IT team to balance day-to-day support needs with longer-term development initiatives.<br>• Assist with application server upgrade and migration efforts, including validating performance and reducing disruption to operations.<br>• Support legacy codebases while identifying practical opportunities for modernization and improved maintainability.<br>• Contribute technical expertise to projects involving enterprise platforms.<br>• Work directly with departments and stakeholders to understand operational needs and translate them into effective technical solutions.

• Demonstrated experience in a senior software engineering or technical lead role within a Microsoft-focused development environment.<br>• Strong hands-on expertise with .NET, ASP.NET, .NET Core, C#, and VB.NET.<br>• Proficiency in front-end and web development technologies, including JavaScript and React.js.<br>• Background in application integration, troubleshooting, and support for production systems.<br>• Experience working with application servers, legacy applications, and code modernization efforts.<br>• Familiarity with enterprise or public sector platforms such as Tyler Technologies Munis or CentralSquare is highly desirable.<br>• Ability to work independently in a fully onsite setting and become productive quickly within a lean IT team.

<h3 class="rh-display-3--rich-text">Technology Doesn't Change the World, People Do.^®</h3> <p>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.</p> <p>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. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>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 <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information.</p> <p>© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.</p>