Backend
- Oracle
- MySQL, MariaDB
- MongoDB
- Redis
- Ethereum
Middleware
- Java(Spring, Spring boot, Weblogic, Devon, ...)
- Nodejs express.js
- Python Flask
- Geth
Frontend
- HTML(inculude server page), Websquare, Realgrid
- Template(ex Pug, Thymeleaf, Mustache)
- Javascript
- CSS
- Oracle Developer 2K
Tools
- Eclipse
- Visual Studio Code
- Git, SVN
- Jenkins
- Maven, Gradle
- Shell