Oleksandr Z.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.

My experience in programing is more than 15 years. I have experience in Flutter, Dart, React, Redux, TypeScript, ActionScript, Flash, MATLAB I developed applications is in the following areas: - Automotive human machine interface development - Development online casino for industry leader - CD and desktop applications with the modules administration - small sites, complete business sites with dynamic content, E-commerce - flv players with progressive and streaming video (Wowza, FMS, PHP- streaming) - programming animation - 3D applications - components are used both independently and integrated in large projects