Daniel C.

U.S. Citizen | Available Immediately | 15+ Years Experience I build scalable web applications and APIs using modern JavaScript/TypeScript stacks. Primary Stack: React, TypeScript, Node.js, Express, Bun, PostgreSQL What I can help with: - Full-stack feature development (React + Node.js/Express APIs) - API design and integration (REST, OAuth2, JWT) - TypeScript monorepos (Turborepo, pnpm) - Bug fixes and performance optimization - PHP/Laravel and Ruby on Rails development Key Experience: - TypeScript monorepo (Turborepo) powering lease flows for tens of millions of users and 15,000+ merchants - Built Node.js/Express BFF with domain-driven architecture integrating 10+ microservices - React 19 frontend with Jotai, React Query, Zod validation - Built SDK for clients (TypeScript), published client libraries for e-commerce checkout - Active side project: [login to view URL], cloud deployment platform built with Bun/TypeScript Also experienced with: Laravel, Ruby on Rails, PHP Why work with me: - U.S. citizen (working from Colombia, favorable timezone) - Strong typing, testing, and CI/CD fundamentals - Clear communication, fast turnaround