Antonio Coppe

System Design Sandbox: Simulate Architectures for FAANG Prep Built this interactive tool to make system design interviews hands-on. Pick scenarios like URL Shortener (5k RPS, 100ms P95), drag 9 components (CDN, Redis, Kafka), connect flows on an infinite canvas, and run...

Hey Contra 👋 I am Antonio, a full-stack engineer in Toronto. I build fast, simple, production ready software and love turning ideas into working products.

Right now I am working on:

• System Design Sandbox A hands-on tool to learn architecture by dragging components, connecting...

Full-Stack Engineer --> Grant Navigator

Built an AI-assisted platform that helps Italian SMEs discover, qualify, and track government grants across multiple public sources.

What I delivered: • Multi-source grant aggregation and structured search • AI-powered relevance scoring and...

Full-Stack Engineer --> FuseQuote

Built the quoting and sourcing platform used by European electrical contractors to automate price comparison and generate client-ready proposals.

What I delivered: • Supplier scraping and price aggregation • Quote builder with markup and tax logic...