Internship Remote Full Stack Software Developer Jobs in Wisconsin

What We Do

Milliman IntelliScript is a group of a few hundred experts in fields ranging from actuarial science to information technology to clinical practice. Together, we develop and deploy category-defining, data-driven, software-as-a-service (SaaS) products for a broad spectrum of insurance clients. We’re a business unit within Milliman, Inc., a respected consultancy with offices around the world.

Candidates who have their pick of jobs are drawn to IntelliScript’s entrepreneurial and collaborative culture of innovation, excellence, exceptional customer service, balance, and transparency. Every single person has a voice in our company, and we challenge each other to push the outer limits of our full, diverse potential. And we’ve shown sustained growth that ensures you’ll have room to grow your skillset, responsibilities, and career.

Our team is smart, down-to-earth, and ready to listen to your best ideas. We reward excellence and offer competitive compensation and benefits. Visit our LinkedIn page for a closer look at our company, and learn more about our cultural values here.

Milliman invests in skills training and career development and gives all employees access to a variety of learning and mentoring opportunities. Our growing number of Milliman Employee Resource Groups (ERGs) are employee-led communities that influence policy decisions, develop future leaders, and amplify the voices of their constituents. We encourage our employees to give back to their varied professions, including leadership in professional organizations. Please visit our website to learn more about Milliman’s commitments to our people, diversity and inclusion, social impact, and sustainability.

What this position entails

The Software Engineer will play a pivotal role in shaping the future of our organization by driving early-stage innovation and zero-to-one development of new products and capabilities. As a key member of our R&D team, this role focuses on transforming ideas into working solutions - rapidly developing MVPs, testing concepts, and iterating based on real user feedback. Working across ambiguous problem spaces, you’ll translate emerging opportunities and evolving business needs into solutions that help us quickly determine what delivers value.

Operating in a dynamic, experimental environment, this role balances strategic thinking with hands-on execution. It requires navigating ambiguity, continuously testing assumptions, and using rapid feedback loops to refine ideas and uncover scalable opportunities. The position plays a critical role in identifying product-market fit and shaping new offerings - helping define the next generation of solutions that will drive long-term growth.

What you will be doing

• Design, develop, and iterate on MVPs, prototypes, and early-stage solutions to explore new product and capability opportunities
• Rapidly test ideas by building lightweight implementations and getting them in front of users for feedback
• Translate ambiguous problem spaces and emerging needs into tangible technical solutions
• Continuously refine concepts through experimentation, data, and user insights to determine what delivers value
• Build and deploy solutions primarily within AWS, leveraging cloud-native services to enable rapid development and iteration
• Experiment with AI-driven approaches both as a tool for faster delivery and as a core component of new product features
• Work within a small, cross-functional team to shape and validate new ideas and approaches
• Partner with technical and non-technical stakeholders across business units to gather feedback, validate assumptions, and ensure focus on solving the most valuable problems
• Balance speed and quality by applying appropriate engineering practices for early-stage development
• Contribute to technical decisions that enable fast iteration while supporting future scalability
• Support deployment of prototypes and early solutions to enable real-world testing and learning

What we need

• 4+ years of relevant software engineering experience
• Strong experience with C# (.NET 8), React, SQL
• Cloud development experience, preferably with AWS
• Understanding of Agile practices (e.g. Scrum)
• Experience with full software development lifecycle 
• Excellent technical design, problem solving, and debugging skills 
• Excellent collaborative skills, work well independently and as a team member 
• Proven analytical skills to interpret and implement business and functional requirements 

What you bring to the table

• Curiosity and openness to new ideas, with a strong desire to continuously learn, experiment, and develop new skills
• Ability to thrive in ambiguous, early-stage environments
• Strong problem-solving skills, with the ability to break down complex challenges, synthesize information, and identify practical paths forward
• Action-oriented, with a focus on quickly turning ideas into working solutions and learning through iteration
• Solid foundation in software engineering principles, with the judgment to apply the right level of rigor for early-stage development
• Interest in and willingness to apply emerging technologies, including AI/ML, to accelerate development and to enhance product capabilities
• Ability to assess tradeoffs and manage risk while moving quickly and exploring new opportunities
• Strong collaboration skills, with the ability to work effectively across teams, build relationships, and contribute to a positive and productive environment
• Communicates clearly and influences effectively by articulating evolving ideas, aligning stakeholders, and driving outcomes
• Adaptable and comfortable shifting focus as priorities evolve
• Comfort with experimentation and failure, including the ability to abandon ideas or discard prototypes when they do not demonstrate business value
• Long-term results orientation, with the ability and willingness to partner with downstream engineering teams to transition successful experiments into scalable solutions

Wish list

• Experience in environments subject to HIPAA and/or PCI regulations and understanding how to balance compliance with rapid innovation
• Experience in software-as-a-service environments
• Experience with domain-driven design
• Experience designing and building systems using modern architectures, such as microservices and event-driven patterns
• AWS Certifications or deep experience leveraging AWS cloud-native services
• Experience with test-driven development (TDD) or similar approaches
• Experience leveraging GenAI or other emerging technologies in product development or prototyping
• Experience with healthcare data, Health IT, healthcare interoperability standards (e.g., FHIR, HL7), or related
• Experience with clinical informatics or understanding of medical claims and electronic health record data (e.g., ICD-10, data structures, relationships, and management)

Location

The expected application deadline for this job is October 31, 2026. This position is open to remote work. Applicants must be willing to travel to the Milliman office in Brookfield, WI as needed and travel nationwide for meetings, conferences, and team events.

Compensation

The overall salary range for this role is $78,800 - $199,065. A combination of factors will be considered, including, but not limited to, education, relevant work experience, qualifications, skills, certifications, etc.

For candidates residing in:

• Alaska, California, Connecticut, Illinois, Maryland, Massachusetts, New Jersey, New York City, Pennsylvania, Virginia, Washington, or the District of Columbia:

• • $90,620 - $145,130 if overall experience is less than 5 years; and
  • 120,635 - 199,0065 if overall experience is more than 5 years.
• All other states:
  • $78,800 - $126,200 if overall experience is less than 5 years; and
  • $104,900 - $173,100 if overall experience is more than 5 years.

A combination of factors will be considered, including, but not limited to, education, relevant work experience, qualifications, skills, certifications, etc.

Benefits

We offer a comprehensive benefits package designed to support employees’ health, financial security, and well-being. Benefits include:

• Medical, Dental and Vision – Coverage for employees, dependents, and domestic partners
• Employee Assistance Program (EAP) – Confidential support for personal and work-related challenges
• 401(k) Plan – Includes a company matching program and profit-sharing contributions
• Discretionary Bonus Program – Recognizing employee contributions
• Flexible Spending Accounts (FSA) – Pre-tax savings for dependent care, transportation, and eligible medical expenses
• Paid Time Off (PTO) – Begins accruing on the first day of work. Full-time employees accrue 15 days per year, and employees working less than full-time accrue PTO on a prorated basis
• Holidays – A minimum of 10 paid holidays per year
• Family Building Benefits – Includes adoption and fertility assistance
• Paid Parental Leave – Up to 12 weeks of paid leave for employees who meet eligibility criteria
• Life Insurance & AD&D – 100% of premiums covered by Milliman
• Short-Term and Long-Term Disability – Fully paid by Milliman

#IntelliScript

Equal Opportunity

All qualified applicants will receive consideration for employment, without regard to race, color, religion, sex, sexual orientation, national origin, disability, or status as a protected veteran.