Igor 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.

Hi, I'm Igor Khomenko I'm a software consultant and IT entrepreneur with 10 years of experience in Real Time Communications apps development and services. My main expertise is XMPP and WebRTC technologies. My main area of apps & service development are JS (web & hybrid) application development, iOS & Android mobile development, cross-platform (React Native, NativeScript, Cordova) mobile development, clouds architecture, high-load, database systems, API integration. I worked as a Head of Development/Chief Technology Officer (CTO) at SaaS company for 8 years, which provided API & SDK for chat & video chat apps. I write technical articles on Medium about apps development, database systems, chat bots. I like to deep into technical aspects of building software. My articles have been featured in popular tech media, like RubyWeekly or NoSQLWeekly. I also like giving talks on tech conferences, had the opportunity to talk at conferences like mobiledevs.kh.ua, Droidcon, Kharkiv Startup, Kharkiv Cloud Buzz. Also doing lectures as invited specialist at NURE university. In November 2015, I took a 2nd place at UA Mobile Challenge 2015, iOS senior category. I continue work in the messaging and calling area