Vadym M.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.

iOS SDK, Swift, Multithreading (CGD, Operations), Realm, CoreData, REST, Autolayout I am a iOS engineer. I have my app in the store. It is something like to do with custom views. I use technologies that I study and try new solutions. At the moment, custom views, Core Date, UIView.animation, Firebase and other and are used. I worked at the position Android devoper few years in a big startup. At this work, I was a part of a big team, was writing new features (for example wrote a feature to control the quality of content on the client), fixing bugs, refactoring code. I received a bachelor's degree in computer science. In my free time, I play basketball, watch TV shows, reading books. We are successfully delivering various web and mobile projects with any level of complexity. We help our partners from the USA, Europe and all over the world to automate their business, get new leads or run new startups. Our benefits: ✅ Individual Approach ✅ Ongoing Support ✅ Expert-Vetted Status ✅ High-quality and clean code ✅ Quality Assurance and Support ✅ Fluent English Verified Our company Springs is based in Kyiv, Ukraine. We provide full-cycle web & mobile development and UI/UX Design service. Currently, we are also focusing on apps development based on Etherium.