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React Developer, Łódź, Poland

Kacper Mizera

I build storefront interfaces in React and Next.js: styling, accessibility, checkout and performance. In my spare time I make things I need myself, like a VS Code extension and a Discord bot for my friends.

01

Terminal Command Buttons

Buttons for your usual terminal commands, right next to the terminal in VS Code.

VS Code extension · 2026 · Published on the VS Code Marketplace

See the projectMarketplace ↗ (opens in a new tab)

Interactive Weather showing light drizzle in Lagos, with rain falling in the 3D scene behind the forecast

02

Interactive Weather

Current conditions and a 7-day forecast over a 3D scene that follows the weather.

Web app · 2026 · Runs in the browser

See the projectTry the demo ↗ (opens in a new tab)

03

Jarvis

An AI bot for my friends' Discord server that reads the conversation before it answers.

Discord bot · 2026 · Private, made for friends

See the project

Work

Sklepy Komfort, since 2022

  1. Junior E-commerce Specialist (Magento)08/2022
  2. Junior Frontend Developer03/2025
  3. React Developer04/2026

About 400 shipped tasks and 1,200+ commits on the main storefront in the last two years.

NowBringing the UX team's Figma and the frontend onto one shared design system.

Full CV →

Let's talk

I'm open to frontend and React roles, and happy to talk about projects.

GitHub ↗ (opens in a new tab)LinkedIn ↗ (opens in a new tab)