End-to-end SaaS development built to scale. Ideal for complex, production-grade apps. Includes advanced user flows, subscriptions, AI feature integration (GPT-powered chat, summarization, assistants), calendar sync (Google, Outlook, Apple), OCR parsing, notifications, secure authentication, and responsive UI/UX built with Next.js + Tailwind. Includes full deployment setup, GitHub repo with clean codebase, and detailed documentation. Optional post-launch retainer available for scaling, feature upgrades, and API maintenance.