Fatoora
Next.js 16 (App router), Payload CMS, Typescript, Mongodb, React Hook Form, Zod, Shadcn, Tailwind, Vercel. • Architeched a multi-tenant invoicing SaaS with user-level data isolation (customers, invoices, company profile). • Reduced API latency by 75% by eliminating cross-region server–database communication. • Implemented ZATCA Phase 1 compliant pdf and print-ready invoice generation with verified QR code support.