Languages & Frameworks
JavaScript (ES6+), TypeScript, React.js, Next.js, GraphQL, Node.js
Infrastructure & DevOps
AWS, Azure, Vercel, Docker, CI/CD (GitHub Actions, Jenkins)
Performance & Optimization
Core Web Vitals, Google PageSpeed Insights, Web Performance Tuning
Security & Compliance
OAuth, JWT, SOX, GDPR, PCI, COPPA, HIPPA, Web Security Best Practices