Software Engineer

Tyler Technologies; Madison (WI); Hybrid; USD 100,000 - 130,000; Full time

Job summary

Tyler Technologies Wisconsin team is hiring a Software Engineer in Madison. You will design, build, and maintain ASP.NET Framework and modern .NET applications used by Wisconsin residents and state staff.

The role is hybrid with three in-office days per week, offering ownership of features end-to-end and collaboration across the stack. You will work from the Madison office on Wednesdays and Thursdays, with remote days the rest of the week, and you will mentor junior engineers while improving

Qualifications

• Bachelor’s degree in computer science, software engineering, computer engineering, or related field or equivalent experience.
• 2+ years of professional software development with increasing technical responsibility.
• Proficiency in C# and .NET across Framework and modern .NET.
• Web development with ASP.NET MVC, Razor Pages, RESTful APIs, JavaScript, HTML, CSS, and Bootstrap; jQuery knowledge.
• SQL Server with schema design; EF 6 and EF Core.
• Solid architecture/design pattern knowledge; scalable systems.
• Secure coding: authentication, RBAC, encryption, input validation.
• CI/CD, Docker, Git/GitHub; collaborative workflows.
• Experience with agentic AI coding tools and human-in-the-loop review.
• Full SDLC experience shipping features and supporting production systems.
• Strong written/verbal communication for docs and reviews.

Responsibilities

• Design and deliver features from requirements through deployment.
• Full-stack work from database schema to API to UI.
• Maintain and modernize ASP.NET Framework apps; migrate to modern .NET.
• Debug across stack; optimize database queries and performance.
• Champion secure coding, testing, and API design practices.
• Own testing strategy and code coverage for your areas.
• Mentor junior engineers and onboard new teammates.
• Participate in on-call rotation and incident response.
• Contribute to shared internal code libraries; write docs.

Skills

C#/.NET

ASP.NET MVC

Web development (JS/HTML/CSS/Bootstrap

jQuery

SQL Server / EF6 / EF Core

Architectural principles / design

Secure coding / RBAC / encryption

CI/CD / Docker / Git

Agentic AI tools / human-in-the-loop

Full software lifecycle / production

Communication / code review

Education

Bachelor’s degree in computer science/engineering or related field

Tools

Docker

Git/GitHub

SQL Server

EF6 / EF Core

AWS / Azure (cloud platforms)

Umbraco CMS

PostgreSQL

Job description

As 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.

Responsibilities

• Design 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.

Qualifications

Required

• Bachelor’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.

Preferred

• TypeScript
• PostgreSQL
• Umbraco CMS
• Cloud platforms (AWS or Azure)
• Accessibility testing tools
• Public sector or other regulated-industry experience

Work schedule and location

This 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.