Alex Jin

Experienced Full-Stack Engineer with 9+ years of experience designing and delivering scalable, high-performance web platforms across publishing, e-commerce, IoT, and travel-tech domains. Skilled in architecting microservice-based and modular monolith systems using Node.js, Nest.js, Spring Boot, and AWS / GCP cloud infrastructure. Adept at building rich, performant frontends with React, Next.js, and TypeScript, and integrating AI-powered features using LangChain and OpenAI API. Proven track record of contributing to $4M+ revenue growth through performance optimization, conversion improvements, and user-centric product development. Passionate about contributing to open source, creating maintainable codebases, mentoring teams, and shaping robust product architectures that bridge elegant UX with reliable backend engineering