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.

From the blog

Learn how to build better software with practical insights and experiences.

What I’m Building for Shipaton 2025

August 7, 2025

Three apps, one Shipaton: A behind-the-scenes look at what I’m building during RevenueCat’s 2025 hackathon — from saunas to CMS tools to Netlify on the go.

How to monetize your AI app with virtual currencies

August 5, 2025•RevenueCat

A React Native tutorial for building an in-app virtual currency economy that buys bedtime stories, powered by LLMs

How to win Shipaton, part 1: coming up with an idea

August 4, 2025•RevenueCat

Don’t know what to build for Shipaton? A 45x hackathon winner breaks down how to find and validate app ideas that solve real problems—and have a shot at winning.

How Rudrank Riyam won Shipaton’s Build in Public Award by sharing every step

July 31, 2025•RevenueCat

Behind the scenes of a Shipaton-winning launch — from prototype to community-powered release.

Work

Company
RevenueCat
Role
Senior Developer Advocate
Date
2025 Present
Company
Fenrir Digital
Role
Founder
Date
2021 2025
Company
Noice
Role
Senior Mobile Developer
Date
2023 2024
Company
Veri
Role
Product Lead
Date
2022 2023
Company
Mavericks
Role
Senior Software Engineer
Date
2021 2022
Company
Qvik
Role
Senior Software Engineer
Date
2019 2021
Company
Nyxo
Role
Co-founder
Date
2019 2021
Company
University of Helsinki
Role
Product Lead
Date
2018 2019
Company
Perfektio
Role
Co-founder
Date
2016 2018
Company
Nordea
Role
Analyst
Date
2015 2018
Company
Aalto University
Role
Research Assistant
Date
2014 2016