William V.

Software Engineer

Full-stack engineer with experience building mobile and web applications for US-based startups. Specialized in cross-platform development with Expo and React Native, and strong backend expertise in Java (Spring Boot, Quarkus) and Node.js. - Cross-platform mobile & web apps with Expo, React Native, GlueStack, and Tailwind CSS - Backend systems with Java, Spring Boot, Quarkus, Node.js, and Xano (low-code) - State management & data fetching with Zustand and TanStack Query - Serverless & edge computing with Cloudflare Workers - POCs and AI integration prototypes for early-stage products - CI/CD pipelines with GitHub Actions I enjoy working closely with startup teams, from greenfield projects to scaling existing products. Clear communication and reliable delivery are my priorities.