Phenomena Experience is one of the best cinemas in Barcelona. Their website is the worst thing about going there. So I rebuilt it.

An interactive visualisation of Barcelona's padró data from 1997 to 2025. The city changed more than most people realise.

What I learned building an experimentation platform at Preply — from holdout groups to self-serve A/B testing.

Lessons from building CPK Systems — a B2B SaaS for statistical process control in metal packaging factories.

Why I run Preply's design system like a product — with adoption metrics, developer feedback loops, and a roadmap.

Talks from John Cutler and Marty Cagan; operating load of new features; data visualisation tips; statistics explained simply.

A relationship stretching, and awkwardly hilarious comedy from Catalan director Cesc Gay.

A two minute summary of Looker's core modelling components.