Entry Level Full Stack Software Developer Jobs in Watertown, WI

The Role

Milliman Mortgage Solutions is a leading mortgage risk modeling platform that helps clients evaluate opportunities, monitor market trends, and manage portfolio risk. Milliman solutions allow financial institutions to forecast, assess, and manage risk in the mortgage market via flexible, efficient platforms and models.  Our team is seeking a Software Developer to join our Milwaukee-area team and help build secure, scalable cloud applications that bring predictive models and analytics into production.
This role is ideal for an engineer with experience in full-stack development and strong experience in APIs, backend systems, and data-driven applications. You will work closely with developers, data scientists, product owners, and client stakeholders to deliver high-quality features that solve real business problems in a collaborative, fast-moving environment. The team meets weekly in person at our office in Brookfield, WI to stay connected and on track to meet development goals.
This is a prime opportunity for someone with 2+ years of proven development experience to contribute to establishing, implementing, and maintaining coding and architectural standards in collaboration with a broader team.
What You Will Do

• Design and maintain scalable cloud-based web applications using C#, .NET Core, SQL and Azure among other technologies.
• Develop and consume RESTful APIs to enable secure communication between systems and services.
• Ensure software quality through unit testing, clean and maintainable code, and participation in code reviews.
• Monitor application performance, troubleshoot issues, and implement optimizations as necessary.
• Collaborate with product, data, and cross-functional teams to gather requirements for software solutions.
• Write technical specifications based on conceptual design and stated business requirements.
• Take ownership of assigned modules or projects with minimal supervision.
• Follow Milliman’s established company standards and software development best practices. Write clean, efficient, and maintainable code following industry best practices and coding standards.
• Adhere to all Milliman risk management requirements and protocols.

What We Are Looking For

Professional Qualifications

• 2+ years of professional experience in full-stack software development
• Experience building software that incorporates data, statistical, and/or machine learning models
• Strong experience with C#, .NET Core, and SQL
• Proficient in building and integrating RESTful API’s
• Solid understanding of database design and data-driven applications

Personal Qualifications

• Excellent attention to detail in code and written communication, documentation, etc.
• Ability to work directly with non-technical staff and client stakeholders to understand and assess needs and feedback
• Effective communication and teamwork skills
• Takes initiative to find technical solutions to business challenges; inspires others to do the same
• Able to adeptly manage own workload to meet all deadlines and deliverables, with unwavering dedication to product quality
• Accustomed to working in a hybrid environment with clients and team members
• The ability and willingness to clearly articulate questions and ideas
• Intellectual curiosity about the topics of risk, Milliman, and the work of our practice
• Enthusiasm for producing high-quality, professional work with accuracy and integrity
• Inspired to contribute to the success of a project and succeed as a team

Preferred Qualifications

• Preference given to candidates with a degree or completed studies in mathematics, applied math, statistics, and/or experience in industries such as mortgage, insurance, or finance
• Experience with Python
• Experience with Azure services (e.g., Azure App Service, Azure Functions, Azure SQL)
• Experience working in Agile environments, CI/CD Pipelines, DevOps, Automated Testing Frameworks

Who We Are

Independent for over 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 and healthcare financing, risk management and regulatory compliance, data analytics, and business transformation.  

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 (ERG’s) 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 web site (https://www.milliman.com/en/social-impact) to learn more about Milliman’s commitments to our people, inclusion, and sustainability. 

Location

Candidates hired into this role will be required to work in-person in the Milliman office in Brookfield, WI on a weekly basis, and flexible work arrangements will be considered. Relocation assistance is not available. The expected application deadline for this job is July 31, 2026.

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.

Compensation

A combination of factors will be considered to determine the compensation for this role, 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 – 11 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.

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. 

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