David 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.

I have JavaScript development experience for more than 4.5 years. My main stack is client-side development based on Javascript/typescript/ReactJS. I know what is SOLID, DRY, KISS and used to keep this standards. In my carrier as a developer I have worked on: • Landing pages • Dashboards • eCommerce • Blogs • SaaS platforms • Social Media App • CRM platform Feel free to contact me.