Yanfeng sun

Senior Full Stack Engineer with 9+ years of experience building scalable backend and web applications, microservices, and distributed applications using React, Node.js, TypeScript, Python, and cloud-native technologies. Strong background in real-time data processing, event-driven architectures, media delivery workflows, and performance optimization across AWS and GCP environments. Passionate about combining AI and Blockchain to build secure, composable decentralized applications and infrastructure