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  • Warsaw

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CodingMiner/README.md

Hey there! I'm Karol 👋

Senior Frontend Developer from Warsaw, Poland 🇵🇱

I build fast, scalable and user-friendly web applications.
I'm passionate about clean architecture, modern frontend ecosystems and turning complex problems into elegant interfaces.

🛠️ Tech Stack

🎨 Frontend
React · Next.js · Angular · TypeScript · HTML5 · Tailwind CSS

⚙️ Backend
Node.js · Express · NestJS · MongoDB · Docker

☁️ Cloud & DevOps
AWS (Lambda, S3, CloudFront, ECS) · GitHub Actions · CI/CD

💡 Things I Care About

  • Writing code that's easy to read, test and extend
  • Design patterns that actually solve real problems
  • Performance — both perceived and measured
  • Sharing knowledge and helping other developers grow

🧠 Currently Learning & Exploring

  • React 19 and the evolving React ecosystem
  • Advanced TypeScript patterns & DDD concepts
  • AI-assisted development workflows
  • AWS infrastructure as code at scale

⚡ Beyond the Code

When I'm not coding, you'll find me:

  • 🎮 Gaming on PS5 (Ghost of Tsushima, EA FC, FromSoftware titles)
  • ♟️ Playing chess
  • 🧩 Solving sudoku puzzles
  • 📚 Deep in the Cosmere — currently reading the Stormlight Archive by Brandon Sanderson
  • 🏋️ At the gym

"Journey before destination." — Brandon Sanderson, The Stormlight Archive

Pinned Loading

  1. atm-machine atm-machine Public

    ATM simulator with deposit and withdraw operations, built with React, TypeScript and styled with Tailwind CSS.

    TypeScript

  2. battleship-game battleship-game Public

    Battleship game with practice and battle modes built with React, TypeScript and styled-components.

    TypeScript

  3. directory-browser directory-browser Public

    A lightweight web app for navigating and exploring directory structures. Built with React, Typescript & Redux Toolkit.

    TypeScript

  4. spotted-app spotted-app Public

    A Spotify web app to browse your playlists, favourites, new releases and recommendations. Built with React, TypeScript & MUI.

    TypeScript

  5. lol-stats lol-stats Public

    React Native app for League of Legends stats - browse champions, free rotation, challenger/grandmaster/master rankings for LoL & TFT and summoner lookup with live Riot API data.

    TypeScript

  6. cinema-book cinema-book Public

    Full-stack cinema reservation system - interactive seat maps, real-time availability, dynamic pricing and concurrency-safe booking. Built with Java 21, Spring Boot & vanilla JS

    Java