Programming skills
20+ years in <WebDev />.Databases
Front-End skills
npm / yarn Vite / Webpack / Rollup / Gulp
Backend frameworks
Frontend frameworks
Design
Accessibility
Security
Authorization and authentication OAuth Preventing SQL attacks Preventing XSS attacks SSLSocial skills
Stack Overflow (top 1%)
Creator and maintainer of
★ SweetAlert2
★ SweetAlert2
Scrum, Kanban
System administration
15+ years of maintainingLinux servers.
AWS / Cloudflare / DigitalOcean
Vercel / Heroku / Netlify / Render
OS, WebDev tools
Docker, Kubernetes
GitHub Actions, CircleCI, TravisCI
Testing
Payment Gateways
APIs
Google OAuth2 API YouTube API Facebook OAuth2 API Dropbox APIWeb Performance
Communication
Slack / Jira / Trello