Senior React.js Developer

# Senior React.js Developeriqbusiness South AfricaJohannesburg, GautengPermanentPosted 21 JANUARY 2026 - Closing Date Job Descriptioniqx, the Technology Division of iqbusiness, is seeking a highly skilled and motivated Senior React.js Developer for one of our valued clients. This role is ideal for a passionate software developer with strong front-end expertise and a solid full-stack foundation.The successful candidate will be responsible for designing, developing, and maintaining scalable, high-performance, and user-friendly web applications. You will work closely with cross-functional teams to deliver high-quality software solutions while adhering to best practices and modern development standards. Required Skills & Experience Strong experience with React.js in production environments Proficiency in Node.js , TypeScript , and JavaScript Solid experience working with SQL databases Strong understanding of web application architecture and best practices Experience building scalable, performant, and user-centric applications Excellent problem-solving skills and attention to detail Key Responsibilities Design, develop, and maintain robust web applications using React.js Build and integrate backend services using Node.js Write clean, maintainable, and efficient code using TypeScript and JavaScript Work with SQL databases to design, query, and optimize data structures Ensure application performance, scalability, and security Collaborate with designers, product owners, and other developers to deliver high-quality solutions Participate in code reviews and contribute to continuous improvement initiatives Please Note: As all iqbusiness roles require honesty in the handling of or access to cash, finances, financial systems, or confidential information; our recruitment process requires that the following background checks be completed: credit, criminal, ID, and qualification verification. iqbusiness is committed to sustainable growth and transformation, we embrace diversity and employ previously disadvantaged individuals