We are looking for a skilled Software Developer to join our team in Appleton, Wisconsin. This is a hybrid Contract-to-Permanent position, requiring onsite work three days a week. The ideal candidate will bring expertise in software development, application integrations, and REST API design, contributing to the creation and maintenance of custom applications for the construction industry.<br><br>Responsibilities:<br>• Design, develop, and maintain software applications using .NET, C#, and ASP.NET technologies.<br>• Create and implement REST APIs to support seamless integrations across systems.<br>• Collaborate with cross-functional teams to deliver high-quality custom applications.<br>• Develop and test integration solutions using tools such as MuleSoft and Boomi.<br>• Troubleshoot and resolve issues related to application performance and functionality.<br>• Participate in the planning and execution of integration testing to ensure reliability.<br>• Provide excellent customer service and communicate effectively with stakeholders.<br>• Stay updated on emerging technologies to enhance software development processes.<br>• Work onsite three days a week in a hybrid capacity, ensuring effective collaboration.

• A minimum of 5 years of experience in software development.<br>• Proficiency in .NET, C#, ASP.NET, and JavaScript.<br>• Strong knowledge of REST API design and implementation.<br>• Hands-on experience with integration technologies such as MuleSoft and Boomi.<br>• Familiarity with enterprise resource planning (ERP) systems and application integration.<br>• Excellent problem-solving skills and attention to detail.<br>• Strong interpersonal skills and the ability to provide exceptional customer service.<br>• Ability to work onsite in Appleton, Wisconsin, three days per week as part of a hybrid schedule.

<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 <a href="https://www.roberthalf.com/us/en/terms">Robert Half’s Terms of Use</a>.</p>