Senior Software Engineer – Python / PySpark (Mainframe Modernization)

Location: San Francisco, CA (333 Market St)
Work Model: Hybrid – 3 days per week in office (required)
Contract Duration: 24-month contract with potential conversion to Full-Time Employee (FTE)

About the Role

We are seeking a Senior Software Engineer to support the modernization of a mission-critical, mainframe-based financial application onto a distributed, cloud-native platform. This role is primarily backend-focused, with a strong emphasis on Python and PySpark, and includes occasional frontend contributions using React and Angular.

You will join a Scrum-based delivery team embedded within Corporate Accounting, working on a system that serves as the enterprise system of record for financial data and feeds downstream general ledger platforms. This is a high-impact role that directly supports enterprise finan...