Full-Stack Developer / Systems Engineering Student / Netherlands

JUSTIN SOESTIN

16-year-old developer from the Netherlands. 3+ years TypeScript. Backend with Cloudflare Workers, frontend with Next.js & Vite.

$ cat experience.txt
3+ years TypeScript
2+ years Cloudflare Workers
Freelancing since May 2025
$ _
Scroll
TypeScript / Cloudflare Workers / Next.js / Vite / APIs / Systems Engineering
TypeScript / Cloudflare Workers / Next.js / Vite / APIs / Systems Engineering
01 About

Full-stack developer specializing in TypeScript and cloud infrastructure.

Started taking apart electronics as a kid. Now I build production APIs and web apps. In May 2025, I launched Justin IT to help small businesses with their tech infrastructure.

Currently studying Systems Engineering while freelancing. I work primarily with TypeScript, Cloudflare Workers (R2, KV, D1), Next.js, and Vite.

16
Years Old
3+
Years TypeScript
NL
Based In
02 Skills

Backend

  • TypeScript 3+ yrs
  • Cloudflare Workers 2+ yrs
  • REST APIs
  • R2, KV, D1

Frontend

  • Next.js 3+ yrs
  • Vite 2+ yrs
  • React 2+ yrs
  • Tailwind CSS

Other

  • Git & GitHub
  • Linux
  • Home Assistant & ESPHome
  • Proxmox
03 Projects
01

Obsidian-Web-Sync-R2

Deploy your Obsidian notes as a website using Cloudflare Workers and R2, synced via Remotely Sync. Turn your knowledge base into a public website.

* 5
TypeScript Workers R2
View on GitHub ->
02

Velocity Whitelist Worker

Remote-managed whitelist plugin for Velocity proxy with support for multiple lists, maintenance mode, and customizable messages.

Java Velocity Minecraft
View on GitHub ->
03

Home Assistant Card Reload

A Home Assistant card that periodically reloads its child cards. Useful for keeping dashboard widgets fresh and up-to-date.

* 1
JavaScript Home Assistant
View on GitHub ->
04 Contact

Let's connect

Interested in working together or just want to chat about backend development? I'm always open to new conversations.

Email GitHub Discord