Abdallah Shaheen

Frontend-focused Software Developer with production experience building and scaling React/Next.js applications,
including a full-stack restaurant ordering platform (GraphQL/REST, OTP auth, product customization) and a
multi-tenant SaaS admin system. Strong in state management (Zustand, Redux, Context API), API integration,
performance optimization (Lighthouse 38% to 85/100), and component testing (Jest, RTL). Comfortable owning
features end-to-end across frontend architecture and backend/API integration