Sebastian C.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.

Thank you for visiting my profile. I bring experience and proven success in full stack web development. With a focus on delivering robust solutions, I have built a reputation for excellence in crafting scalable applications and integrating complex systems. How I Can Help You: - Build, launch and maintain web apps with: - JavaScript frameworks (VueJS, Vuetify, jQuery, Ajax, ReactJS, NextJS, Astro). - PHP frameworks (Laravel, CodeIgniter). - Node.js (Express, Jest) - SQL databases (MySQL, PostgreSQL). - Build and launch fast your MVP SaaS. - Develop ERP systems. Let's discuss how I can contribute to your project's success!