Kao Xiong

About

I’m a Senior Full-Stack Software Engineer with 9+ years of experience delivering enterprise web applications and high-scale e-commerce platforms. I’ve contributed to products used by thousands of users and generating multi-million-dollar annual revenue, including work supporting Walmart Optical and Costco Optical. I focus on clean, maintainable code, scalable architecture, and strong cross-functional collaboration from requirements to production.

See featured projects
Technical skills

Skills

  • Backend: Ruby, Ruby on Rails, Node.js, C#, REST APIs, OAuth2/JWT
  • Frontend: TypeScript, JavaScript (ES6+), Vue.js, React, HTML, CSS/SASS
  • Data: PostgreSQL, MySQL, SQL, Redis
  • Cloud/DevOps: AWS, CloudFront, Docker, Kubernetes, CI/CD
  • Testing: RSpec, Capybara
View my GitHub

Featured Projects

A few highlights from enterprise e-commerce and ordering systems I've helped build and scale.

Faitships — Enterprise E‑Commerce

Spearheaded a proprietary ordering platform enabling doctors to place contact lens orders through internal software. Focused on scalable workflows, reliability, and maintainable full-stack delivery.

Costco Optical — Ordering Application

Contributed to an enterprise web application that streamlines contact lens ordering for a major retail partner. Built with an emphasis on clean UX and high-volume data workflows.

Walmart Optical — Ordering Application

Collaborated on development of contact lens ordering workflows and supporting systems. Focused on performance, stability, and operational efficiency at enterprise scale.