Hello! My name is José Donato

I'm a Fullstack Engineer from Portugal, specializing in building tools for quants and traders. Currently leading web development at OpenBB, I've architected and built OpenBB Workspace from the ground up over the past 4 years. My passion lies at the intersection of trading and web technology.

Want to chat? DM me on X/Twitter or LinkedIn

José Donato

Tools

Sprite your SVGs

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

Try it out

EmojiSense

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

Try it out

BTC 100K Countdown

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

Try it out

Gift Helper

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.

Try it out

Quiz Generator

Transform your blog posts into interactive quizzes powered by AI.

Try it out

Projects

React TailwindCSS Zustand Tanstack/React Query Go JavaScript WebSocket TradingView D3.js Vite TypeScript shadcn-ui Ollama Cloudflare OpenBB Polymarket API remix.run mdx-bundler Posthog Directus Remix Cloudflare Pages Cloudflare D1 Drizzle ORM SvelteKit docussaurus Python Plotly Pydantic FastAPI Pandas Flutter Flask MySQL React Native Expo Next.js Wordpress GraphQL web3 Material-UI truffle ganache Node.js Blockchain DatoCMS nmap searchsploit Firebase PWA Hanko DrizzleORM Chart.js
Reset

Crypto Futures Arbitrage Scanner

web app

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.

View project

Binance L3 Order Book Estimator

web app

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.

View project

Made with ❤️ by José Donato.
Open source on GitHub. If you like it, please give it a ⭐️!