To excel in an International React Js role, you need strong proficiency in JavaScript, React.js, and front-end development, often backed by a degree in computer science or related experience. Familiarity with tools such as Redux, RESTful APIs, modern version control systems (like Git), and optionally cloud platforms or internationalization libraries is important. Effective communication, cultural awareness, and collaboration skills help you work well with diverse global teams. These skills enable you to deliver high-quality, scalable user interfaces that meet the needs of international users and align with worldwide development standards.