Jared worked on the SuperGoodSoft/solidus repository, focusing on backend development and object-oriented design using Ruby. During January 2025, he refactored the tax handling logic for line item total calculations, isolating this functionality within the Spree::ItemTotal class. This approach improved the accuracy of order totals by correctly managing both included and additional taxes, as well as adjustments marked for destruction. The changes addressed discrepancies in tax calculations, supporting better tax compliance and billing integrity. Jared’s work enhanced maintainability and laid the foundation for more robust tax logic, reducing the risk of revenue leakage due to miscalculation in future updates.