Niels Kaspers nielskaspers

🛠️

Happily building

Full-stack builder. 50+ products built & marketed.

7 followers · 4 following

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Overview Repositories 55 Projects Packages Stars 37

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nielskaspers/README.md

Hey, I'm Niels 👋

Full-stack builder. Principal PM, Growth at Picsart.

I build products end-to-end — from strategy to code to scale. Currently growing Picsart's web platform (150M+ users), previously scaled products to 10M+ users twice. Not by growing teams, but by building systems.

What I Build

At Picsart, I've 3X'd web traffic to 20M MAU while shipping AI-powered automation that lets a small team manage 50,000+ pages across 40+ languages. But the work I'm most excited about is building things myself.

At work: AI growth systems, landing page pipelines, localization engines, SEO/AEO infrastructure Side projects: iOS apps (SwiftUI), web apps (Next.js), community platforms, automation tools With AI: Claude Code is my daily co-pilot — I build with it, not just use it

Recent Projects

Project	What It Is	Stack
PeerWealthy	Personal finance app for shared households	SwiftUI + TCA (iOS), Next.js (Web), Supabase
PMtivity	Community for AI-productive PMs	Next.js, Framer
ScreenshotEdits	Screenshot annotation tool	Swift, Next.js
aitreening.ee	AI training platform for Estonian market	Next.js

What I Build With

Code → Next.js, TypeScript, SwiftUI, TCA, React, Tailwind AI → Claude Code, Claude API, N8N, custom LLM workflows Data → Looker, GA4, Ahrefs API, GSC Product → Figma, Strapi CMS, JIRA, Supabase

Background

Marketing (festivals, e-commerce, NGOs) → Product at NU.nl (Netherlands' #1 news app, 8M users) → Enterprise SaaS at Whisbi (Fortune 500 clients) → Growth at Picsart. Shipped AI-generated audio news in 2018 — been building with AI ever since.