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Mattias Petter Johansson (MPJ)

@mpj.fff.dev

253 followers 474 following 92 posts

Data Engineer 💛 Creator of the YouTube show Fun Fun Function, writes weekly data development chronicle: funfun.email 🦁Previously @ Spotify & parity.io

Posts Replies Media

Mattias Petter Johansson (MPJ) @mpj.fff.dev · 04/05/2026

A Return to Fun funfun.email/p/return-to-...

I disappeared off the face of the earth, no notice, no goodbye. I was in the middle of weekly chronicles, a series on D3.js - and suddenly I was just gone. An explanation and apology is in order.

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 31/05/2025

I am reading Daniel Levintins excellent book ”The Organized Mind” and this part perfectly explains why I sometimes get stuck in multi-hour obsessive TypeScript rabbit holes to create the perfectly (unnecessary) typed expression for a problem.

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 26/05/2025

💛 d3.interpolate (Number) | Dirty D3 - Episode 4 📼 Full video: youtu.be/6Vn1TWyOsYo #dataviz #d3js #fffn

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 11/03/2025

Are you sure you want to hide the ads in your editor

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 20/02/2025

Sleep well

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 20/01/2025

Hey it sees like @danabra.mov and the peeps built a TikTok inside @bsky.app and now there is a beta for @skylight.social and I want in

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 20/01/2025

I am so happy but also so sad about how all these dumb wonderfully phones never reached us: explore the vast archive of nokia's forgotten design concepts which never came to life. I miss silly Nokia. www.designboom.com/technology/n...

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Mattias Petter Johansson (MPJ) @mpj.fff.dev · 22/12/2024

First episode of Dirty D3.js dropping tomorrow Monday www.youtube.com/watch?v=dfVd...

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