Richardt Justke

Software Engineer · Founder at Ketsu

Open to freelance projectsBrasília, BR · UTC−3

I build products end to end — from pixel to server. Started with electronics and robotics, moved through brand design, and today I live in the backend: APIs in Go and TypeScript that hold real products up.

NowSoftware Developer at EasyPlan
BuildingKetsu — design & software studio
FocusGo · TypeScript · APIs · Docker
Emailrj.justke@gmail.com

01Experience

Full story →
2026 — now

EasyPlan · Software Developer

Sales platform across web, mobile and backend. Shipped apps to the App Store and Google Play; now building APIs for process automation and integrations.

GoReactTypeScriptDocker
Oct 2025 — now

Ketsu · Founder, Designer, Developer

Jun — Oct 2025

Korus · Design Manager

2023

Eletronorte · Junior Apprentice

02Selected projects

All projects →

03Writing

All posts →

04Stack

Backend
GoNode.jsPostgreSQLMongoDBDocker
Frontend
TypeScriptReactNext.jsTailwind
AI
OpenRouterOllama
Design · HW
FigmaIllustratorPhotoshopArduino

Have something hard to build?

That's exactly where I want to be. Tell me about it.