Hi, I'm

Sebastián

Full Stack Developer

I build full stack applications — web and mobile. Crypto exchanges, AI integrations, macOS tools. I care about clean code, solid UX, and shipping things that last.

Venezuela

Full Stack UI/UX Open Source

Experience

My professional journey

Jan. 2024 - Mar. 2025

Full Stack Developer & Mobile Developer

Kontigo

Built the full web and mobile platform for a Venezuelan crypto-fiat exchange app — end to end.

⚛️React🔷TypeScript🟢Node.js🐘PostgreSQL⚡Supabase📱React Native🎨Tailwind CSS▲Next.js

Jun. 2023 - Dec. 2023

Full Stack Developer

Oha AI

Refactored the core codebase, shipped new AI chatbots, and built a text-to-image generation feature.

🐍Python🐍Django🐳Docker🐘PostgreSQL🎨Tailwind CSS⚛️React◆AI

Mar. 2021 - Jan. 2023

Full Stack Developer

Kana Soluciones Globales 07 07, C.A.

Built enrollment systems for the education sector and industrial management tools for gas stations.

◆.NET◆C#◆SQL Server◆ASP.NET◆VPS Management🔷Vue.js

Projects

Things I've built

WriteNoFear

Write without stopping to fix mistakes — select any text on macOS and AI cleans it up instantly. No copy-paste, no switching apps.

◆Swift

◆SwiftUI

◆Gemini API

Relatta

AI writing tools for content creators who want to sound more human — less robotic, more natural, always on brand.

⚛️React

⚡Supabase

🔷TypeScript

▲Next.js

🎨Tailwind CSS

◆Motion

◆AI