Software Engineer

DescriptionAs a Software Engineer on the Tyler Wisconsin team, you will design, build, and maintain applications used every day by Wisconsin residents, businesses, and state agency staff. You will work across a portfolio that spans long-lived ASP.NET Framework applications and new development on modern .NET, owning features end to end.This is a hybrid role which requires 3 days onsite, in office, per week. ResponsibilitiesDesign and deliver complete features, from requirements through deployment.Work full stack: database schema, through API, through user interface.Maintain, enhance, and modernize existing ASP.NET Framework applications, including WCF services, and help migrate them onto modern .NET.Debug and troubleshoot across the stack, including database and query performance.Follow and champion best practices for security, testing, and API design.Own testing strategy and code coverage for the areas you work in.Use agentic AI development tools with human-in-the-loop review, remaining personally accountable for the code you deliver.Contribute to and consume shared internal code libraries.Build to WCAG accessibility standards, and work within regulatory requirements such as HIPAA, SOX, and PCI.Write technical documentation and give constructive code review feedback.Mentor junior engineers and help onboard new team members.Identify and implement process improvements that make the team faster.Participate in an on-call rotation.QualificationsRequiredBachelor’s degree in computer science, Software Engineering, Computer Engineering, or a related technical field, or equivalent professional experience.2+ years of professional software development experience with clear progression in technical responsibility.Proficiency in C# and .NET, across both .NET Framework and modern .NET.Web development with ASP.NET MVC, Razor Pages, RESTful APIs, JavaScript, HTML, CSS, and Bootstrap. Working knowledge of jQuery as it appears in existing applications.Microsoft SQL Server, including schema design and query writing, plus Entity Framework 6 and EF Core.Solid grounding in architecture principles, design patterns, and scalable system design.Secure coding practices: authentication, role-based access control, n-tier architecture, encryption at rest and in transit, and input validation.CI/CD pipelines, containerization with Docker, and intermediate Git and GitHub skills including branching strategies and collaborative workflows.Practical experience with agentic AI coding tools and human-in-the-loop review patterns.Experience across the full software development lifecycle, with a track record of shipping features and supporting production systems.Clear written and verbal communication for documentation, code review, and cross-functional work.PreferredTypeScriptPostgreSQLUmbraco CMSCloud platforms (AWS or Azure)Accessibility testing toolsPublic sector or other regulated-industry experienceWork schedule and locationThis is a hybrid position based in Madison, Wisconsin. You will work from the Madison office on Wednesdays and Thursdays and remotely the remaining three days and should expect occasional in-person meetings with Wisconsin state agency partners. Remote days require a dedicated home office set up for professional software development.