QT/C++ Software Engineer - Madison WI (Onsite)

Title: Software Engineer (C++/Qt, Networking Desktop Applications)
Location: Onsite (5 days/week) - Middleton, WI (Greater Madison area)
Type: 12 month contract (strong potential to convert to FTE
Work Authorization: Must be authorized to work in the U.S. (no sponsorship available)
Interview Process: 2 rounds (1 virtual technical via Teams, then 1 onsite interview + building tour)

About the Opportunity

A well-established, employee-owned technology manufacturer in the Greater Madison area is looking for a QT/C++ Software Engineer to join a Network Software team building and supporting a desktop application used to configure networked systems in demanding real-world environments.

This role touches multiple software disciplines-UI development, networking protocols, performance/scalability, multithreading, and modernization within a large, mature codebase. You'll work in a collaborative team environment while owning deliverables end-to-end.

Local candidates strongly preferred. This role is fully onsite in Middleton, WI (5 days/week).

What You'll Do

• Design, develop, and maintain C++/Qt desktop application features (UI + backend logic).


• Build and support software that communicates via networking protocols (TCP/UDP/multicast).


• Tackle multithreading/concurrency challenges and performance optimization.


• Improve maintainability and efficiency within a large legacy codebase.

Required Qualifications

• Strong professional experience with C++


• Strong hands-on experience with the Qt Framework NO Qt Creator (Widgets/Signals-Slots/Models, etc.)


• Experience with multi-threaded programming / concurrency


• Experience building software that uses networking protocols such as TCP, UDP, and multicast


• Comfortable working in large codebases (including legacy systems)

Nice-to-Have (Highly Desired)

• Lua and/or Python


• Wireshark or similar network troubleshooting tools


• Cross-platform development (Windows + macOS)


• Experience with networking/lighting protocols (e.g., ACN, RDM)


• CI/build pipeline experience


• Tools: Git, GitLab, Jira

Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply.

California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

If you would like to complete our voluntary self-identification form, please or copy and paste the following link into an open window in your browser: ;/p>

Completion of this form is voluntary and will not affect your opportunity for employment, or the terms or conditions of your employment. This form will be used for reporting purposes only and will be kept separate from all other records.

Company Profile:

Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of recruiting and staffing experts consistently delivers quality IT professionals to solve our customers' technical and business needs.

Beacon Hill Technologies covers a broad spectrum of IT positions, including Project Management and Business Analysis, Programming/Development, Database, Infrastructure, Quality Assurance, Production/Support and ERP roles.

Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting .

Benefits Information:

Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings.

We look forward to working with you.

Beacon Hill. Employing the Future