Ricardo

Sanjur

Full-Stack Engineer building crypto payment systems and Web3 integrations. What I build: • Binance/Coinbase API integrations with secure webhook listeners • Smart contract event monitoring and database synchronization • Full-stack SaaS dashboards for crypto transaction tracking • Serverless blockchain event processing on Cloudflare Workers My tech stack: Frontend: Next.js, React, TypeScript, Tailwind CSS Backend: Node.js, Hono, FastAPI, Express Database: PostgreSQL, Prisma, Drizzle ORM Infrastructure: Docker, Cloudflare Workers/Pages, Hetzner, Proxmox Languages: TypeScript, JavaScript, Rust, Go, Python, C#, C++ Based in Panama (UTC-5) - Perfect timezone overlap with US/EU teams. Currently finishing Computer Systems Engineering degree while building Web3 payment solutions.