Welcome I'm Tomas Pustelnik

I'm front-end developer with focus on semantic HTML, CSS, performance and accessibility. Author of few small open-source projects and founder of Clipio — a web clipping tool for Notion. Currently helping build React at Ataccama. Fan of great and clever design, tooling addict and neverending learner.

I write irregularry about front-end development and about my founder's journey.

Latest articles

• 4+1 ways how to handle errors in your code

  Errors will happen in our apps. So let's stop ignoring them and instead be ready to deal with them. Discover 4+1 approaches to error handling, from worst to best.

  • JS
  • Software engineering

  Published on March 29, 2025

• My 2024 Post-Mortem: Honest review of a year that didn't go as planned

  Was your 2024 filled with missed goals and frustration while social media showcased endless success stories? You’re not alone. In this honest review, I break down why my year felt like a failure, what I learned, and how I’m adjusting for a more intentional 2025.

  • Productivity
  • Year review

  Published on January 21, 2025