Hello! My name is José Donato

Transform and optimize your SVGs by generating an efficient sprite. Reduce HTTP requests, style with CSS, and externalize icon data.

AI-powered emoji suggestion tool that helps you find the perfect emojis for your text. Get customized emoji recommendations instantly.

A real-time Bitcoin price tracker that shows the progress towards $100,000, powered by Pyth Network's price feeds.

AI-powered gift suggestion tool that helps you find the perfect gift for your family, friends, and anyone else you want to give a gift to.

Transform your blog posts into interactive quizzes powered by AI.

Technologies used: React, TailwindCSS, Zustand, Tanstack/React Query

Enterprise UI built for AI workflows.

Technologies used: Go, JavaScript, WebSocket, TradingView

Real-time crypto futures arbitrage scanner connecting to multiple exchanges via WebSocket. Shows live price gaps and market microstructure inefficiencies across 9 exchanges.

Technologies used: Go, D3.js, WebSocket

Professional-grade real-time L3 order book visualizer for Binance perpetual futures that reconstructs individual order queues from L2 market depth data with K-means clustering.

Technologies used: React, Vite, TypeScript, TailwindCSS, shadcn-ui, Ollama

An open-source browser extension that leverages the power of the Ollama Llama3 model to generate engaging replies for social media growth.

Technologies used: Cloudflare, TypeScript, OpenBB, Polymarket API

OpenBB Workspace app that connects to the Polymarket API, enabling integration of prediction market data with widgets for events, markets, and price history.

Technologies used: remix.run, TailwindCSS, TypeScript, mdx-bundler, Posthog, Directus

The company website for OpenBB.

Technologies used: Remix, TailwindCSS, TypeScript, Cloudflare Pages, Cloudflare D1, Drizzle ORM

A Remix run stack built for the edge, utilizing Cloudflare Pages and D1 for optimal performance.

Technologies used: SvelteKit, TailwindCSS, TypeScript

Transform and optimize your SVGs by generating an efficient sprite, reducing HTTP requests and externalizing icon data.

Technologies used: docussaurus, TailwindCSS, TypeScript, React

The company website for OpenBB.

Technologies used: remix.run, TailwindCSS, TypeScript

The company website for OpenBB.

Technologies used: Python, Plotly, Pydantic, FastAPI, Pandas

An open source product for investment research.

Technologies used: Flutter, Flask, MySQL

A platform for creating credentials for one of the biggest festivals in Portugal.

Technologies used: React Native, Expo

A native application for a high school in my hometown.

Technologies used: React Native, Expo

A mobile application dedicated to Queima das Fitas.

Technologies used: Next.js, TailwindCSS, Wordpress, GraphQL

A website for a nation-wide radio.

Technologies used: web3, React, Material-UI, truffle, ganache

Project done for Informatics Security and Law course. It uses smart contracts to register the presence of students in a classroom and for teachers to check which students are present.

Technologies used: Next.js, Material-UI

Web App developed for Cryptography course in Masters. It has a backend in Node.js to calculate the elliptic curves.

Technologies used: Node.js, Blockchain, React, Material-UI

Backend uses node.js and implements a simple blockchain to store the PKI certificates. The frontend is a React application.

Technologies used: Next.js, DatoCMS, TailwindCSS, TypeScript

Ecommerce catalog developed for a jewellery company. Uses DatoCMS and Next.js with TailwindCSS and Cloudinary for media management.

Technologies used: Python, nmap, searchsploit

Project done for Security Auditing course. Python application that aims to be an all-in-one pentesting tool.

Technologies used: Next.js, Firebase, TailwindCSS, PWA

Productivity tool to help you and your attendees ace in presentations. It is a PWA with excellent lighthouse scores.

Technologies used: SvelteKit, TailwindCSS, Hanko, DrizzleORM, Chart.js

AI-powered personal finance mentor that simplifies budgeting, tracking, and optimizing your finances with passkey authentication and intelligent insights.