Kostiyantyn B.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.

I have over 14 years of professional experience in software engineering and development, with a focus on Angular development and leadership roles. Led teams to deliver successful projects and exceeded expectations. Strong technical expertise in Angular, Vue.js, Node.js, TypeScript, and other technologies. Angular, Vue.js, TypeScript, RxJs, Ngrx, Cypress, Material, Formly, Ag-grid, Prosemirror, Git, Firebase cloud, WebSocket, REST API, Node.JS, Jenkins, Docker, Automation tooling development, Team management, End to end testing.