Frontend:

• React
• Next.js (SSR / App Router)
• TypeScript
• JavaScript (ES6+)
• HTML5 / CSS3
• Tailwind CSS
• Bootstrap
• Vite

State & Forms:

• Redux Toolkit
• Zustand
• React Hook Form

Mobile & Native:

• React Native
• Expo
• iOS / Android native integrations
• Native image processing
• Bluetooth / BLE

Offline & Local Storage:

• Offline-first architecture
• WatermelonDB
• SQLite
• AsyncStorage

APIs & Backend:

• REST API development & integration
• Node.js
• Express
• Authentication flows
• Data synchronization

Payments:

• Stripe API
• Stripe Terminal
• Viva.com Terminal

Infrastructure & Delivery:

• Cloudflare Pages
• Cloudflare Workers
• Git
• CI/CD