John Rhio S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Summary Rhio has years of extensive experience working with Oracle E-Business Suites/Oracle Fusion Cloud/Oracle Integration. He worked with different streams like S2P, R2R and O2C. He is very knowledgeable in developing Oracle objects such as Oracle Reports, Oracle XML Bi- Publisher, Interfaces, Conversions, APIs, Oracle Alerts, Oracle forms personalization, PL/SQL, SQL, Oracle database objects, Shell scripts, Oracle ADI (Application Desktop Integrator), Oracle Discoverer Reports, SQL Loader, Oracle Application Express(APEX) and OAF (Oracle Application Framework). He worked with different technology delivery inside and outside of Accenture such as Retail, Logistics, Travel, Manufacturing, Systems Integration, Application Development, Application maintenance and etc.