Software Engineer Intern Summer 2026 (CMH Health)

Milliman • Brookfield, WI

1d • Onsite

About The Position

Milliman’s CMH Health Practice is seeking motivated undergraduate and graduate students pursuing degrees in mathematics, computer science, or related fields to join the Products team for Summer 2026. Interns will work on software and Generative AI applications that support our healthcare products and client services. Who We Are Independent for more than 75 years, Milliman delivers market-leading services and solutions to clients worldwide. Today, we are helping companies take on some of the world’s most critical and complex issues, including retirement funding, healthcare financing, risk management, regulatory compliance, data analytics, and business transformation.

Requirements

• Individual(s) must be legally authorized to work in the United States without the need for immigration support or sponsorship from Milliman now or in the future.
• Current college undergraduate or graduate student (Math, Computer Science, or related fields of study is preferred). Will consider other majors for students who have a demonstrated interest and aptitude for software development.
• Ability to work full-time from the beginning of June to mid-August on-site in Brookfield, WI office.
• Analytical prowess and organizational mastery.
• Clear and concise communication skills.
• Commitment to punctuality and reliability.
• A collaborative spirit with a proactive outlook.

Nice To Haves

• Experience with software and AI development. Those with real-world side projects preferred.
• Fast and hungry learner willing to jump into new languages and technologies.
• Critical thinking skills, sound judgment and decision-making ability, and both the ability and willingness to clearly articulate your ideas.
• Independent and autonomous: Clear goals will be set, but the path to achieving them is yours to define.
• Radical Transparency: If an estimate changes, you communicate it immediately or make the appropriate tradeoffs. No surprises.
• Strong self-learner with high curiosity and initiative who judiciously seeks clarity when needed.
• Exceptional pattern of progress.
• Familiarity with GitHub CoPilot or other agent tools as force multipliers.
• Comfort with ambiguity - you can take a vague goal, learn the necessary tools, and define your own path to "Done."

Responsibilities

• Develop software and GenAI agents that automate internal processes and delight clients.
• Act as an owner for various feature and product requests. You own it from start to finish.
• Perform your own rigorous Self-QA. You are your own harshest critic before you hand off work.
• Domain Empathy: You will not just stay in a code silo; you will work to understand the healthcare business context behind your code.
• Participate in code reviews and implement feedback to improve code quality.
• Design and maintain documentation for features and user workflows.
• Assist with product testing, performance tuning, and bug resolution.
• Contribute to team discussions about product direction and technical design.
• Engage in the strategic promotion of new products, directly contributing to market success.

Benefits

• Employee Assistance Program (EAP) – Confidential support for personal and work-related challenges.
• 401(k) Plan – When an employee reaches 1,000 hours worked within 12 consecutive months, they become eligible for a 401(k) plan that includes a company matching program and profit-sharing contributions.
• Paid Time Off (PTO) – Begins accruing on the first day of work; Interns, Temporary, and Seasonal Employees will earn PTO each pay period, based on 1 hour for every 30 hours worked.
• Transportation – Pre-tax savings for eligible transit and parking expenses.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern