Dennis P.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.

Full stack front to backend web developer - primarily utilising TypeScript/JavaScript, previously I programmed in Ruby/Rails, Python, PHP. I am a JavaScript developer since 2011 (Backbone.js, AMD/Require.js era) Rrated top 1% for Node.js on StackOverflow. The majority of projects I have worked on consist of (list not exhaustive): * Full stack application development both web and mobile apps. * Large scale high availability auto-scalable cloud deployments with Kubernetes * Payment Processing * Web Scraping and Automation * Goolge Sheets and Airtable extensions * Application deployment and scaling * General LInux System Administration * VOIP IVR Call Center setup (Twilio and Asterisk) * Mass SMS sending (up to 100 000 SMS per day) * Artificial Intellegence integration (ChatGPT 4 / OpenAI) * MCP Server / Client development * Integrating highly complex AI workflows