Senior Software Engineer in Milwaukee, Wisconsin at MRA Recruiting Services

📍 Milwaukee, WI (On-site)
🕒 Full-Time | Experienced Level
🏢 OnCourse Information Services

At OnCourse, we’ve been innovating for over 35 years — helping clients across the U.S., from small physician offices to Fortune 100 giants, transform how they manage information. Based in Milwaukee, Wisconsin, we’re a privately-held company with a passion for applying cutting-edge technology to real-world document management challenges.

We’re looking for a Senior Software Engineer to join our team of creative, resourceful professionals. If you’re excited by the idea of building scalable, enterprise-wide solutions that make a real impact — and doing it alongside a team that values innovation, experience, and excellence — we want to hear from you.

The Senior Software Engineer oversees the development and implementation of new software systems. You’ll research, design, and write new software programs, update existing systems, and conduct feasibility studies.

Software Development

• Collaborate in an agile environment with end-users, peers, and leadership
• Build scalable web services and reusable components
• Review and test code, prepare release plans
• Mentor developers and ensure high-quality deliverables

Architecture & Design

• Recommend and implement modern technologies
• Lead design reviews and set technical standards
• Document solutions and conduct systems analysis

Client Support

• Troubleshoot and resolve technical issues
• Communicate effectively with clients and stakeholders

Other

• Maintain a clean and safe work environment
• Perform additional duties as assigned

• Bachelor’s in Software Engineering, Computer Science, or related field (preferred)
• 5+ years of software development experience
• Strong communication, problem-solving, and organizational skills
• Ability to work independently and collaboratively
• Passion for learning and innovation

Preferred Technical Skills:

• AWS/Cloud, Git/GitLab, CI/CD
• SQL/PostgreSQL, Python
• Agile methodology
• React, Auth0, JavaScript
• C#, .NET Core/.NET Framework
• Generative AI/LLM technologies

• Office-based with quiet to moderate noise levels
• Must be able to sit, stand, and lift up to 10 lbs occasionally
• Vision and hearing requirements apply

• Over 35 years of industry leadership
• Clients nationwide
• A team of dedicated professionals
• A culture of innovation and collaboration

Ready to make an impact?
Apply now and help us shape the future of document management.

We Make it Easy

Founded in 1901, MRA is a nonprofit employer association that serves more than 4,000 employers, covering more than one million employees.

As one of the largest employer associations in the nation, MRA helps its member organizations thrive by offering the most comprehensive assortment of HR services, information, education, and resources to help build successful workplaces and a powerful workforce.

We partner with these companies working directly with their HR department and leadership to hire their talent. We are a direct line to the company, not an agency recruiter.