irek 🐢

I'm web developer with programmer's mind, artist's soul and warrior's heart.

Professional experience

Since January 2015 I am a Web Developer in Stats Perform. I work in small team coding mostly in JavaScript. We have built many portals that displays historic and real time sports data (statistics, images, video and visualizations). It's mostly front-end work but we also have built API's, WebSocket service and other projects in NodeJS.


Spoken languages
Polish & English
Programming languages, technologies and libraries
JavaScript, Vanilla JS to ES6 and beyond, HTML5, CSS3, SCSS, CSS Grid & FlexBox, Git, NodeJS, NPM, Gulp, PostCSS, GSAP, Nunjucks, Mocha.js, Chai.js, Sinon.js,, WebDriverIO
Technologies that I have worked with but are not my expertise
Elisp, PHP, Python, Shell Scripting, MySQL, Three.js, Hammer.js, HTML Canvas, Electron, Chrome Extensions, Selenium, Headless Browsers, Redis, RabbitMQ, Jest
Terminal, Vim, Emacs, Blender, Photoshop, Illustrator, InDesign, Gimp, Inkscape

Few Personal Projects

In spare time I work on simple stuff. So I can rest from company complex codebases, try something new and have it finished in relative short time.

  1. - JSDoc support for Prettier.
  2. - Portfolio for friend.
  3. - WordPress theme for small company.
  4. - Very quick one page website.
  5. - Website for beer company.
  6. - GitHub Pull Request Monitoring.
  7. - Website with svg animations.


  1. - Polish translation for web comic about DP-3T protocol.
  2. - Create plugin for Prettier to add support for JSDoc.
  3. - Add better support for HTML links in Emacs Gopher mode.

Volunteer Experience

From 2013 to 2016 I helped running group 42 Do Szczęścia as a runner and web developer creating


Programing (Mr. Obvious), 3D Graphics, Aikido