I Am Erfan Granmayeh Rad

Senior Frontend Engineer

8+ years building products with React, Next.js and TypeScript

Erfan Granmayeh — senior frontend developer working on a React and Next.js interface

Senior Frontend Engineer — React & Next.js

I am a Senior Frontend Engineer with 8+ years specializing in React, Next.js and TypeScript.

I currently build dual frontends at Tasbet (multi-tenant sports betting). Before that at Bita24 I shipped bill-of-lading and truck cargo booking apps. I also solo-founded Bazidar — an e-commerce product from zero to revenue, with technical SEO driving ~19K impressions and 630+ clicks in 28 days. I take ownership beyond the frontend, from product through deployment.

Day to day that means typed, scalable frontend architecture, real-time data, multi-tenant SaaS, RBAC and full RTL/Persian interfaces — backed by hands-on backend capability (Node.js, Strapi, PostgreSQL) and technical SEO I have measured against real organic growth.

Software Engineering

What I am Expert In

My Service

Web Design & Development

Designing and building websites and web apps with React, Next.js and TypeScript — high quality, easy to use, and guiding users toward the goal that matters to your business.

Real-time Data & State

Live data over Socket.IO with typed client caching on TanStack Query, SWR, Redux Toolkit and Zustand — fewer requests, less waiting, always-fresh screens.

Performance & Core Web Vitals

Bundle, rendering and image optimization until your site scores at the top in Lighthouse and GTmetrix and passes Core Web Vitals on real devices.

Technical SEO

Metadata, JSON-LD structured data, hreflang, sitemaps and crawlability done properly — the same playbook that took my own store to ~19K impressions in 28 days.