Serkan U.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.

I'm a programmer with 21 years of experience. First 7 years microsoft technologies, last 14 years Java and Oracle, last 6 years unity, 3D, c# and shader development. Main skills, Java, Oracle, Javascript, C#, Unity, Enterprise Application development, Mobile App Development, Web Services, Game Development, Prototyping Some of my successfully completed projects; Mims / Medical Information Management System / 1 million lines of code, ÷100 pure java , healthcare ERP solution with Oracle database. (founder) Rewote / IoT project / Controlling RF devices with mobile phones. Designed circuit, programmed embedded system, web services, IoT server and Android native mobile app. (founder) Volumetric Clouds with Unity HDRP Unity DOTS boid underwater fish simulation Sky Airlines / Java DMS / intranet Maxxroyal Hotels / Ala Carte restaurant / Android Mobile app / Java Web app for CMS Anatolia Hospitals / Predeparture Covid PCR test management system / Java Vaadin Granada Hotels / Gamification App / Unity ATSO / Android Kiosk System / Java Web CMS