Next.js app development (App Router, SSR, SSG, API routes)
Supabase setup — database schema design, Row Level Security (RLS), auth, and storage
Authentication flows (email, OAuth, magic link via Supabase Auth)
REST & real-time data integrations
Responsive UI with Tailwind CSS or your preferred styling system
Deployment to Vercel (or your preferred platform)
Clean, documented, handoff-ready code