Managed various major products from idea to implementation, working with React/Next.js frontends, Node.js and Python backends, and cloud infrastructure. Developed complex, responsive UIs in React and Next.js for dashboards, shipping processes, and reporting pages. Implemented mobile features with React Native for iOS and Android, leveraging business logic from the web stack to the fullest. Implemented server-side rendering and SEO-friendly pages with Next.js and Nuxt.js, focusing on performance and package size.

I worked as a full-stack software engineer on several projects for clients, changing roles depending on the needs of the team. I developed and maintained SPA and SSR applications using React, Next.js, Angular, Vue and Nuxt.js. I implemented backend APIs in Node.js, Django, FastAPI, PHP/Laravel, WordPress, C#/.NET. I designed database schemas for PostgreSQL, MySQL, MongoDB and optimized them. I helped set up CI pipelines and trained new developers.

I started as a full stack developer, building internal admin tools and customer portals using Angular and React on the frontend and Node.js/PHP on the backend. I developed feature-rich admin panels with Angular and React, including authentication, role management, data tables with filtering/sorting, and basic charts. I also implemented backend functionality in Node.js (Express) and PHP (Laravel, WordPress native code), which included user management, simple billing logic, and email/notification flows. I collaborated with designers and project managers to break down large functionality into smaller deliverables, reg