Perform full lifecycle development, sustainment engineering, and bug fixing across core Oracle Federal Financials COTS modules and DHA custom extensions, including: Core COTS Financial Modules: General Ledger (GL), Accounts Payable (AP), Accounts Receivable (AR), Purchasing (PO), Cost Management, Federal Financials, and Sub-Ledger Accounting (SLA). As a Journeyman Application Developer, you will collaborate with Senior FM Developers (LCAT 313), Business Analysts, Database Administrators, and DHA Contract Resource Management (CRM) stakeholders to design, code, test, and maintain custom OFF extensions, forms, reports, automated workflows, and external system interfaces.