Software Engineer · Founder · Rotterdam

Leon van Wijngaarden

Building bridges between design and code — crafting intuitive products and high-performance platforms with a studio's eye for detail.

Available for workWorldwide

Capabilities

What I do, and how I do it well

A focused practice: modern, fast, and considered web applications.

01

Frontend Development

Responsive, accessible interfaces built with modern tools and best practices — pixel-perfect on every screen.

ReactNext.jsTypeScript
02

Full-Stack Engineering

Fast, SEO-friendly applications with server components, API routes, and robust database integrations.

Next.jsSupabaseGo
03

Design & Performance

From Figma to production — apps that load instantly, feel considered, and read as genuinely premium.

Design SystemsCore Web VitalsA11y

Selected Work

Featured Projects

View all projects
theorievlug.nl
In progress

theorievlug.nl

01

Online learning platform for car, scooter & motorcycle theory certificates. My biggest project so far — Next.js, Supabase, Cloudflare.

Next.jsSupabaseCloudflare
GLR Model Agency
Live

GLR Model Agency

02

Frontend homepage and route caching system. A Go web app using Go templates for SSR and Alpine.js for interactivity.

GoGo TemplatesAlpine.js

Collaboration

Let's build something worth keeping.

I'm available for freelance work and open to new opportunities. Tell me what you're building.