Senior Frontend Software Engineer - React.js / Next.js

About the position

Senior Frontend Software Engineer - React.js / Next.js Join a fast-paced, collaborative tech environment building modern, scalable web applications Remote (South Africa) | Market-related salary | Flexible working hours About Our Client Our client is a global technology company focused on building high-performance, scalable software solutions for a wide range of clients. They value collaboration, clean code, and strong team dynamics as much as they value technical expertise. The Role: Senior Frontend Software Engineer This role is ideal for an experienced frontend engineer who thrives in a collaborative, agile environment. You'll play a key part in designing and building scalable and secure front-end applications using modern JavaScript frameworks, with a focus on React.js and optionally Next.js. Your work will have a strong emphasis on performance, user experience, and maintainable code. Key Responsibilities Bring 5+ years of frontend development experience using React.js or Next.js Build scalable, isomorphic frontend applications using React.js and modern JavaScript Develop and maintain reusable components, UI features, and performance-optimized code Integrate with REST and GraphQL APIs Apply state management using Redux or similar tools Implement testing frameworks such as Jest, React Testing Library, or Enzyme Ensure best practices around SEO, accessibility, and performance monitoring Collaborate closely with team members in an agile environment (Scrum/Kanban) Participate in code reviews and share knowledge with team members About You 5+ years of frontend engineering experience Strong proficiency in React.js (Next.js a plus) Experience with Redux, GraphQL, REST APIs Proficient in HTML5, CSS3, and CSS pre/post-processors (e.g., SASS, LESS) Familiarity with performance and observability tools (Grafana, Core Web Vitals) Excellent English communication skills — written and verbal Strong team fit: collaborative, approachable, and positive Comfortable working independently and managing your own time effectively Exposure to varied tech stacks and working environments is a strong advantage

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