Jehad Hlewi

Designed and led frontend architecture for 5ynd using Next.js, TypeScript, Redux Toolkit and Tailwind CSS; implemented SSR to boost SEO and reduce load times; integrated Stripe and PayPal for secure, multi-currency transactions; improved scalability and maintainability via SOLID principles and agile workflows, reducing deployment errors by 30%.

Designed and led the frontend architecture of 5ynd, a B2C/B2B platform, using Next.js, TypeScript, Redux Toolkit, and Tailwind CSS. Implemented SSR to improve SEO and reduce page load times, boosting performance and user retention. Integrated Stripe and PayPal gateways to support secure, multi-currency transactions for B2C and B2B users. Enhanced scalability and maintainability through SOLID principles and agile workflows, reducing deployment errors by 30%.

Built and launched a DeFi staking platform for Zentu Token with Next.js, TypeScript, Ethers.js and Redux Toolkit; led NFT marketplace development with wallet integration; developed a blockchain explorer with Vite, Redux and WebSocket, improving data efficiency by 75%; ensured SOLID architecture for 20K+ active users.