Software Engineer Salary in Wisconsin (2026)

Worth knowing: Epic Systems HQ Verona is the country's largest privately-held EHR + healthcare software company and the structural depth feature most national SE surveys understate for WI. Epic (~12K employees in Verona, founded 1979 by Judy Faulkner, ~$5B+ revenue, the country's #1 EHR by hospital market share at ~78% of US hospital beds and growing post-2020 acquisitions) operates substantial in-house engineering across MyChart patient portal + Cosmos clinical research + Hyperspace clinical UI + Beaker laboratory + Willow pharmacy + Beacon oncology + Stork OB/GYN + Cupid cardiology specialty modules. Epic's distinctive culture (campus-based, no remote work for engineers, Verona-only hiring, MUMPS-based proprietary stack) attracts substantial CS pipeline from UW-Madison + Big Ten + nationally. Senior Epic engineers clear $135-215K TC (Epic uses a distinctive non-public compensation system but base + bonus + stock-equivalent profit-sharing roughly matches Fortune 500 healthcare tech). Northwestern Mutual HQ Milwaukee (Fortune 100, ~7,500 employees, ~$30B revenue) operates substantial financial-services software including advisor platform + policy admin + investment management tech. WI's 7.65% top bracket (above ~$323,400 single / ~$430,500 MFJ) is substantially lower than MN's 9.85% top, supporting better senior IC retention. WI's 2015 Right-to-Work via Act 1 is distinctive for the region.