Stanisław Mikołajczyk
Specialized in modern web development with React, Next.js, and TypeScript. Creating responsive, performant applications with clean, maintainable code.
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My Work & Qualifications
Featured Websites
Due to the large number of projects I'm currently working on, this section shows only a selection of websites. To browse more work of various types such as Write a Chrome Extension to scrape Medium page and post to my WordPress blog or Visualization of sleep-wake cycles in js please visit my Upwork Work History for all jobs and client reviews.

Website developed based on a provided design, with full implementation on WordPress using ACF. Focus on responsiveness, performance, and design accuracy. Project done while collaborating with a client through Upwork.

Website based on a provided graphic design, developed while collaborating with a client through Upwork. Focus was on responsiveness, performance, and design accuracy.

Landing page built from a provided design, developed while collaborating with a client through Upwork for the SXSW event. Lightweight, responsive, and fully aligned with the original concept.

A full-stack web application for carpooling, developed as part of the Hackathon Hackheroes.

Professional WordPress website for promoting and selling online courses. (Domain inactive, preview available in portfolio on Upwork)

A front-end project inspired by the Adidas website, designed and built independently. Focuses on responsive design and web functionality.