Web designer.
Web developer.

With code I do things that make
me happy and free...

Simplicity is nobleness

Artur Kostecki

My name is Artur Kostecki. I am an independent web designer and web developer, based in Koszalin, Poland.

I am solopreneur. I run a web design business, opened for custom, remote, subcontracting, project or long-term cooperation. I provide digital services and create products for local and international companies, individuals, entrepreneurs, agencies, creators. I build successful B2B partnerships.

Founder and owner of Diabllerie Designs - creative web design studio focused on high quality web solutions, design and development services, website management.

You can hire me, i'm currently availableHire Me

Expertise, territory, fields

Creative web design. cms. website development. front-end. wordpress. theme development. graphics to code. elementor based development.


  • Affinity Designer
  • Figma


  • HTML5
  • CSS3
  • Bootstrap
  • jQuery


  • _s
  • Metabox/ACF
  • Elementor
  • Contact Form 7

Follow me on Twitter