Python + Excel VBA developer to complete and test a near-finished Excel add-in (xlwings)

We have a near-complete Windows desktop application for accountants: a Python engine running behind Excel through xlwings, with an existing Excel front-end, custom ribbon and VBA add-in (.xlam). The core build installs cleanly and is in user acceptance testing... (Budget: $30 - $250 USD, Jobs: Automation, Debugging, Desktop Application, Excel, Excel VBA, Microsoft 365, Python, Software Architecture, Software Testing, Visual Basic)