Andrii 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.

Development Leader + Project Manager + Business Analyst + Product Owner based on Full-Stack Web Developer experience: ✅ Appery ✅ AngularJS ✅ ReactJS | TypeScript ✅ Ionic | Bootstrap ✅ Kendo | SpreadJS 19+ years of experience in IT. Since 2009 change my course on Web Development and Software Architecture. Since 2012 I specialize on front-end. I have an experience as Senior Software Developer and Team Leader on commercial projects in big software company. I'm an analytical person and always identify business requirements and needs. Design develop and implement solutions will be my goal. I start from JavaEE stack, then I focused on HTML5, JS and CSS3. Now it is AngularJS 1/2/4, ReactJS, Business Analyse, integration of 3rd part solutions and PoC with appery. Experience in the full development life cycle: designing database architecture, designing GUI, testing, deployment, continuous integration and support. It means that I have a familiarity with each layer of development and a commitment to gaining expertise in all software technology. Last projects: ✅ Appery platform, developed by Exadel Inc., is the first mobile platform that offers a cloud-based rapid development environment with integrated backend services and a rich catalog of API plug-ins that dramatically simplify integration with cloud services and enterprise systems ✅ mobile web-site ( InvestorAccess for RaymondJames ) and based on it hybrid mobile app 'RJ Investor' (supported platforms are Android, iPhone, WinPhone) ✅ java based service application secureXchange - provides a transparent, scalable, and easy way to operate a holistic MFT solution. secureXchange is MFT (Product of bTrade Inc.) ✅ rapid mobile application development in the cloud (based on appery source code). Rollbase is part of Progress Pacific's complete cloud solution. ( mobile version on rollbase) ✅ web based application which calculates ranking of 'tweets' by hashtag (Twitter, Instagram, etc.). This project is high load application, so, used different technologies to achieve the best performance. (Ad site with mobile capability for new customers hashoff ) ✅ web portal for Deloitte corporation. My team has responsibility to develop reusable components/directives and parts of UI with functionality based on KendoUI for the list of related modules ( Product for Deloitte Inc. ) ✅ hybrid (appery JQM) App 'UAC Investor Relations'. Apps user friendly interface offers fast access to information and data of UAC. The annual reports are provided as PDF format, and you can download and store annual reports on your device for reading (in offline). There is an option provided to delete downloaded files in case you want to free up memory. Published on AppStore and Play Market ( Product for Quidlab ) ✅ hybrid (appery JQM) App 'crossMRKT' - mobile client to get services on mobile from crossmrkt. App published on AppStore and Play Market ( Product for fluidm) ✅ hybrid (appery/Angular/Bootstrap) App 'Rebarr' - delivery company used mobile client to make customer and driver (two roles in one App) closer to each other. Integrated with Stripe payment system. App developed and published on AppStore and Play Market. ✅ hybrid (appery/Angular/Ionic) App 'MobileGO' - mobile provider delivery for freelance merchants App for purchase cusomer's mobile accounts, get different reports, setup and manage promo games, etc. The same App helps customers and merchants to refill mobile account, take a part in promos, win bonuses (several roles in one App) . App developed and published on AppStore and Play Market. ✅ hybrid (appery/Angular/Ionic4) App 'The Emily Program' - TEP company provides for their clients easy way to track their actions and progress with health. Allow to communicate with TEP staff and other providers. App still in development stage.