Maksym K.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.

Hello, my name is Max and I'm mobile and back-end developer with ~8 years of experience. I specialize in creating mobile applications for iOS. Also I can create complex back-end solutions for web and software projects. Despite I’m a programmer, math is my passion, I’m good at calculus, number theory, linear algebra, combinatorics and probability theory Below you can find a full list of my skills: Swift: Cocoa Touch, OOP, Protocol oriented programming, VIPER, Redux, CocoaPods, Swift Package Manager, Cartridge, SwiftUI, Core Data, FireBase, SwiftPhoenixClient, StarScream, Crashlytics, XCTest, SwiftLint, R.swift Java: Hibernate, REST, Jersey, JDBC, JUnit, DBUnit, Maven, Gradle, (familiar with Spring) Scala: Play/Play2 framawork, ScalaJS, ScalaTest, SBT C++ (MFC, Qt, STD), Assembler, SWI/Visual prolog Data Bases: MySQL, PostgreSQL PHP: MVC, SPL, Opencart CMS HTML/CSS, XML, Bootstrap, JS (JQuery) Let's create something great together!