Subramani S.

Next.js/React Expert | TypeScript | Senior Full Stack Developer

I help teams build and scale high-performance Next.js full stack apps, AI-powered products, and complex dashboards. 20+ years experience | $1.5M+ client revenue | 5,000+ hours | 100% 5★ reviews. Whether you're launching a new AI-powered product, improving dashboard UX, or fixing performance issues in an existing app — I focus on delivering fast, clean, and maintainable solutions that actually hold up in production. With 20+ years of experience, I bring a senior-level approach to full-stack product development. I use AI-native workflows (Claude, Cursor, Codex) to move faster without compromising quality. What I typically help clients with ⚡ High-performance UIs using Next.js, Tanstack Start & React (SSR, SSG, ISR) 📊 SaaS dashboards & internal tools with clean, scalable layouts 🛠️ Performance fixes (render issues, slow pages, hydration bugs) 🧠 Headless CMS integrations (Sanity, Ghost, Contentful, Payload) 🔌 API & data integration (TypeScript, REST, GraphQL) 🎨 Modern UI systems (Tailwind, MUI, shadcn/ui, Radix) 🔄 State & data management (TanStack Query, Zustand, Redux) 🎞️ Animations & interactions using GSAP where it adds real value Why clients work with me 💬 Clear communication and fast, reliable delivery 🧑‍💻 Senior-level UI craftsmanship with practical full-stack support 🧩 Ability to own the front-end end-to-end while collaborating with backend teams 🏢 Experience with SaaS products, dashboards, and multi-tenant apps If you need a developer who can ship polished UI, fix performance issues, and scale your existing Next.js / React app, let's talk.