Tax Software Developer Jobs in Chicago, IL (NOW HIRING)

The Role

As a more Senior level Software Developer, you will be a member of our Trading Technology Department that consists of technologists across development, quality assurance and DevOps teams. We are a full-stack team providing all technology required by Financial Risk Management's global trading operations. These trading operations include the portfolio management, trading, and trade operations teams. Our systems include financial mathematics to calculate risk, order management and routing systems to send orders, market data, reporting, and trade reconciliation for a wide variety of financial instruments traded around the world. 

As a more Senior level Software Developer you will work with other developers on the team in the creation and support of trading, risk and back-office systems which are used on a global basis. 

Your Responsibilities:  

• Create, maintain, and enhance systems to support our growing business. This includes both client and server-side software, database, and potentially intranet-based web development  
• Take on responsibilities only limited by your abilities and work with a fair degree of independence
• Work and communicate clearly with other technical and non-technical team members including traders

 Job Knowledge and Experience Required  

• B.S. in Computer Science or equivalent degree 
• 4+ years of experience as a software developer working with C# required  
• Experience working with Microsoft SQL Server or other Windows-supported databases
• Proven experience developing, testing, and deploying applications within a Windows-based environment 
• Experience integrating with one or more cloud vendors (e.g., Microsoft Azure, Amazon Web Services, etc.) 
• Demonstrated aptitude for quantitative and critical thought    
• Ability to take on projects and operate with minimal oversight  
• Willingness to own products and take responsibility for their support  
• Strong communication skills  

 Additional Experience and Knowledge a plus 

• Experience with financial markets, mutual funds, portfolio management, and derivatives    
• Knowledge of Git source control system
• Experience coding complex projects in VBA  
• Understanding of SDLC    
• Source control systems and branching patterns   
• Multithreaded programming  

Location 

Candidates hired into this role will be required to work in-person in the Milliman office in Chicago, IL on a weekly basis, but flexible work arrangements will be considered. The expected application deadline for this job is July 17, 2026.  

Compensation 

The overall range for this role is $107,755 - $177,675. 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 – 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.