I build stuff.

Hi, I’m Perttu, a developer and a designer. I’ve spent the last decade or so designing and building digital products.

App.js 2025 Recap

A personal recap of App.js 2025: speaking about in-app purchases, highlights from Krakow, favorite talks, and why this conference remains one of my top picks.

Vibe Coding is Prototyping For The Masses

How vibe coding shifts software development, why it’s closer to prototyping, and how domain-embodied development will change who builds the next generation of software.

Making Money with Your React Native App

Comprehensive look at in-app purchases and how to add them to your React Native app. Covers different types of in-app purchases, how to set them up in your app, and the psychology of good in-app purchase experiences. Technology used: React Native, RevenueCat, App Store Connect.

Work

  1. Company
    RevenueCat
    Role
    Senior Developer Advocate
    Date
  2. Company
    Fenrir Digital
    Role
    Founder
    Date
  3. Company
    Noice
    Role
    Senior Mobile Developer
    Date
  4. Company
    Veri
    Role
    Product Lead
    Date
  5. Company
    Mavericks
    Role
    Senior Software Engineer
    Date
  6. Company
    Qvik
    Role
    Senior Software Engineer
    Date
  7. Company
    Nyxo
    Role
    Co-founder
    Date
  8. Company
    University of Helsinki
    Role
    Product Lead
    Date
  9. Company
    Perfektio
    Role
    Co-founder
    Date
  10. Company
    Nordea
    Role
    Analyst
    Date
  11. Company
    Aalto University
    Role
    Research Assistant
    Date
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