Sajjad Al-Jumaili

Developed a fully responsive e-commerce mini app called Gini Marketplace using React.js and Tailwind CSS, released in production inside the Qi Services app and SuperQi with 5M+ downloads each. Ensured mobile-first optimization for seamless performance across Android/iOS devices. Collaborated with designers and backend engineers to deliver a modern, intuitive shopping experience. Integrated APIs, managed complex component states, and optimized performance across slow networks to keep the UI responsive and stable for users.

Built responsive, user-friendly interfaces applying responsive design principles across multiple devices and screen sizes. Developed and maintained single-page applications using React and Vue frameworks, focusing on high performance and responsiveness. Collaborated with designers and backend developers to create seamless user experiences. Also developed internal systems to solve and automate one of the company’s major operational challenges, improving efficiency for the team.

Developed responsive and user-friendly web applications using React.js. Implemented state management with Redux for efficient data flow in complex applications. Used React Query for data caching and improved performance in API-based applications. Designed and implemented UI components with Material-UI while following modern design principles to maintain a consistent, clean user interface.