Senior Software Engineer

State of Wisconsin Investment Board
Madison, Wisconsin, United StatesFull-timePosted Aug 26, 2026

About the role

Sophisticated Work. In a Great City. Making a Difference.

The State of Wisconsin Investment Board (SWIB) manages more than $178 billion in assets, including those of the fully-funded Wisconsin Retirement System (WRS). SWIB operates at a level more often seen in top-tier global asset managers than in typical public pension funds. SWIB is a home for top talent. Approximately 61 percent of SWIB’s investment professionals are Chartered Financial Analyst (CFA) charterholders.

The City of Madison, the state capitol and home of Wisconsin’s flagship university, makes regular appearances on lists of best places to live, eat, and play. SWIB offers a modern workspace, hybrid work options, and competitive compensation and benefits.

Serving over 703,000 WRS beneficiaries, SWIB is driven by a clear mission: securing the financial future of those who serve Wisconsin. When you work at SWIB, you know your work matters.

Job Description:

Job Description

Applicants on an OPT, CPT visa or anyone requiring H-1B transfers or sponsorship into the H-1B lottery will not be considered for this position.

What You’ll Do

Design, build, and maintain production-grade APIs and system integrations that support critical workflows

Own the end-to-end lifecycle of services and applications, from design and implementation through deployment, monitoring, and iteration

Build automated, cloud-native workflows, including thoughtful use of AI capabilities where they provide clear business value

Contribute to user-facing interfaces that make complex workflows understandable and efficient for end users

Design and manage data models and persistence layers, including schema design, performance tuning, and troubleshooting

Deploy and operate applications in cloud environments using best practices for security, reliability, observability, and cost awareness

Apply AI pragmatically — both as a development accelerator and, where appropriate, as part of production systems (e.g., LLMs, vector search, NLP APIs)

Participate actively in code reviews, design discussions, and technical decision-making, raising the quality bar for the team

Mentor and support less-experienced engineers through pairing, reviews, and knowledge sharing

Collaborate closely with technical and non-technical partners to translate business needs into clear, maintainable technical solutions

Contribute to the evolution of engineering standards, patterns, and tooling within the team and broader organization

What You Bring

Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience

5+ years of professional software development experience (or equivalent demonstrated impact)

Strong proficiency in Python, with experience building and maintaining production-grade systems

Solid experience working with databases (SQL and/or NoSQL), including data modeling and performance considerations

Hands-on experience with cloud platforms such as Azure, AWS, or GCP

Proven experience designing, building, and delivering end-to-end software systems in real world production environments

Familiarity in finance and in financial systems (e.g., financial data, instruments, reporting, or workflows), and interest in applying technology in this domain

Experience with or strong interest in AI technologies, such as LLMs, vector databases, or NLP APIs

Sound technical judgment and the ability to balance delivery speed, quality, and long-term maintainability

Strong communication skills and a collaborative, team-oriented mindset

What You’ll Gain

Ownership of meaningful, high-impact systems used across the organization

Opportunities to influence architecture, technical standards, and engineering practices

Hands-on work with modern cloud and AI technologies in real-world production use cases

Close partnership with stakeholders across engineering, data, and business teams

SWIB Offers:

Competitive total cash compensation, based on AON (formerly McLagan) industry benchmarks

Comprehensive benefits package

Educational and training opportunities

Tuition reimbursement

Challenging work in a professional environment

Hybrid work environment

The position requires U.S. work authorization.

Pursuant to our Hybrid Remote Work Policy, all staff have the flexibility to work remotely but are required to have a weekly presence in our offices, the frequency of which is dependent on their distance from office or the job position. Staff are not required to reside locally; however, we offer relocation reimbursement to the Dane County area per our policy.

All SWIB employees are subject to SWIB’s Ethics Policy and Personal Trade Approvals Policy. These policies include restrictions on outside business activities and employment and have limits on personal trading. You may request copies of these policies from SWIB’s talent acquisition team and any questions can be answered by SWIB’s compliance team.

Responsibilities

  • Design, build, and maintain production-grade APIs and system integrations
  • Own the end-to-end lifecycle of services and applications
  • Build automated, cloud-native workflows
  • Contribute to user-facing interfaces
  • Design and manage data models and persistence layers
  • Deploy and operate applications in cloud environments
  • Apply AI pragmatically in production systems
  • Participate in code reviews and design discussions

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or related field
  • 5+ years of professional software development experience
  • Strong proficiency in Python
  • Experience with databases (SQL and/or NoSQL)
  • Hands-on experience with cloud platforms (Azure, AWS, GCP)
  • Proven experience in designing and delivering software systems
  • Familiarity with finance and financial systems
  • Interest in AI technologies

Benefits

  • Competitive total cash compensation
  • Comprehensive benefits package
  • Educational and training opportunities
  • Tuition reimbursement
  • Challenging work in a professional environment
  • Hybrid work environment

Skills mentioned

PythonREST APIsBackend DevelopmentSystem DesignSQLNoSQLDatabase DesignCloud ComputingGenerative AILarge Language Models

About State of Wisconsin Investment Board

The State of Wisconsin Investment Board (SWIB) is a premier investment organization that provides investment management of trusts and public funds. Of the approximately $178 billion in assets under management, a majority is comprised of the Wisconsin Retirement System (WRS), which consistently ranks among the 10 largest public pension funds in the U.S. SWIB also manages the State Investment Fund, which operates as the state’s cash management funds, and other separately managed funds. The WRS provides retirement benefits for more than 703,000 former and current public employees. SWIB brings a disciplined, prudent and innovative approach to market opportunities. Providing a strong, steady economic pillar for the people, and the state we serve, SWIB’s forward-thinking culture has helped the agency fuel one of the best-funded pension funds in the U.S., protecting and growing the assets our constituents count on for a more confident financial future. Mission To be a trusted and skilled global investment organization contributing to strong financial futures for the beneficiaries of the funds entrusted to us. Vision SWIB will be an innovative, agile, integrated organization that optimizes investment returns while managing risk and cost over the long term.

Financial Services201-500 employeesMadison, Wisconsin