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React.js Developer
Data CentrixJohannesburg, South Africa30+ days ago
Job descriptionDevelop and maintain scalable, high-performance web applications using React.js. Collaborate with UX / UI designers, product managers, and backend developers to deliver seamless user experiences. Architect and implement reusable components and front-end libraries. Optimize applications for maximum speed and scalability. Conduct code reviews and provide constructive feedback to team members. Stay up-to-date with emerging trends and technologies in front-end development. Ensure cross-browser compatibility and responsiveness across devices. Troubleshoot and debug complex issues. Demonstrate strong initiative as a self-starter, with the ability to work independently and manage tasks with minimal supervision.
Requirements
- Matric and relevant IT qualification
- 5+ years hands-on experience in front-end development.
- 3+ years of hands-on experience with React.js and its core principles.
- Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.
- Experience with state management libraries (e.g., Redux, Zustand, MobX).
- Familiarity with RESTful APIs and asynchronous request handling.
- Knowledge of modern front-end build pipelines and tools (Webpack, Babel, Vite).
- Experience with testing frameworks (Jest, React Testing Library, Cypress).
- Understanding of Git workflows and version control.
- Excellent problem-solving and communication skills.
Responsibilities
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Developer • Johannesburg, South Africa
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