Tobias Ahlin Bjerrome

I design, tinker, & teach.


A brief introduction to A/B-testing

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Learn how to use A/B-testing as a guiding compass for making product decisions, and how to avoid its pitfalls

Chaining styles with a JavaScript Proxy

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If you miss method chaining from Ruby or jQuery when working with styles in JavaScript, you can recreate the pattern with a few lines of code

Smoother & sharper shadows with layered box-shadows

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With a simple CSS trick, we can get fine-tuned control over how shadows are rendered, and create richer and more realistic 3D effects

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I write about design, CSS, animation, and the projects that are keeping me busy.


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Nobody likes to wait… but you can make it less of a pain. I've created SpinKit, an open-source collection of loading spinners animated with CSS.

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Moving Letters

If you want more playful and expressive typography, I've created an open-source collection of text effects animated with JavaScript and anime.js.

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I created TypeSource as a way to browse web fonts by how they look and feel, rather by their name and attributes.


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As the Experience Design Director for Minecraft I worked with the team at Mojang to overhaul their UI infrastructure and design and iterate on new and old Minecraft games.

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Early on at Spotify I lead the UI design for all products and worked with building the design team.

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Speaking &

I speak at events and facilitate workshops within design, digitalization, and innovation.

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Teaching at Hyper Island

I've worked as an Industry Leader at Hyper Island for several years. I've written curriculums, managed courses, and taught programming, design, statistics, data strategy, and rhetorics.

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At Lookback I made it easier to conduct user research for digital products.

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Swedish Design Awards

I'm a jury member for the Swedish Design Awards (Svenska designpriset), working with all digital categories.

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At GitHub I worked as a product designer and front-end developer with, the native GitHub client, GitHub Pages, and more.

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I love to design and make things. I speak, teach, and consult at tech companies and startups, e.g. Spotify, Minecraft, GitHub, and Hyper Island. Say hi!

Tobias Ahlin Bjerrome
Stockholm, Sweden