Front-End
Programming languages / Application framework
HTML / CSS / SCSS / SASS
- Bootstrap
- Tailwind
JavaScript / TypeScript
- React
- jQuery
Tools
- webpack
- Babel
- vite
CMS
- WordPress
Back-End
Programming languages / Application framework
Java
- Seasar2
- Junit
PHP
- Laravel
- CodeIgniter 3
- PHPUnit
Database
RDBMS
- Amazon Aurora
- Cloud SQL
- MySQL
- Oracle Database
Infrastructure
OS
Linux
- Amazon Linux 2
- Ubuntu
- CentOS
- RHEL
Infrastructure as code
- Kubernetes
- Docker Compose
- Docker
- Ansible
- Vagrant
Continuous Integration / Continuous delivery
- GitHub Actions
- Circle CI