Build and own end-to-end features for a B2B healthcare platform, including the React provider portal, Java/Spring services, public APIs, ordering and payment workflows, results release, and organization-specific configuration. Collaborate with product, clinical operations, and sales to turn ambiguous requirements into production features. Improve the long-lived codebase while ensuring correctness for PHI and clinical results.

Manage vendor bills, bank and credit card reconciliations, employee expenses, customer payments, journal entries, and account reconciliations. Support invoicing, collections, financial reporting, internal controls, process improvements, audits, and ad hoc projects while maintaining accurate and confidential financial records.