Freelance Front-End Developer at Self-Employed / Freelance

Independent, end-to-end project management for client communications and final delivery. Mentored junior front-end developers; documented components, workflows, and technical decisions to enhance team collaboration and code maintainability. Integrated REST APIs and third-party services including payment gateways and authentication providers; ensured proper data handling and error state management. Applied secure development best practices and performance optimizations focused on Core Web Vitals. Developed reusable UI components and web views using React and Next.js, ensuring cross-browser compatibility and accessible, high-performance interfaces across devices.