Backend:	Ruby, Ruby on Rails, Node.js, Sinatra
Frontend:	ES6, TypeScript, React, Redux, CSS/Sass, Vite, Webpack
Data:	PostgreSQL, MySQL, Redis, Elasticsearch
AI Tools:	Claude Code, Github Copilot

Backend:

Ruby, Ruby on Rails, Node.js, Sinatra

Frontend:

ES6, TypeScript, React, Redux, CSS/Sass, Vite, Webpack

Data:

PostgreSQL, MySQL, Redis, Elasticsearch

AI Tools:

Claude Code, Github Copilot