Sandton: Senior Frontend (ReactJS) Developer | Sandton | Permanent posted by Edgexec (Pty) Ltd

Step into a role where technical excellence, innovation, and craftsmanship are at the heart of every product built. This opportunity is ideal for a seasoned React specialist who thrives in fast-paced, collaborative, and quality-driven engineering environments.

You will play a key role in designing, building, and maintaining front-end applications used across dynamic product ecosystems. Working closely with design, product, and backend teams, you will deliver scalable, reusable, and high-performing interfaces that shape intuitive user experiences. The role requires strong ownership, curiosity, and the ability to transform complex requirements into elegant technical solutions.

Our client is a forward-thinking technology organisation known for cultivating innovation, investing in learning, and empowering teams through a flat, collaborative culture. Their environment rewards curiosity, craftsmanship, and a desire to push boundaries in modern software engineering.

What Youll Do

• Develop reusable and responsive UI components using ReactJS.

• Implement designs using HTML, CSS, JavaScript, and TypeScript.

• Manage application state using Redux or Context API.

• Integrate RESTful APIs and manage asynchronous data flows.

• Optimise components for performance and cross-browser compatibility.

• Write clean, maintainable, well-documented code.

• Conduct unit and integration testing using Jest and React Testing Library.

• Troubleshoot UI issues and resolve performance bottlenecks.

• Collaborate with designers, backend teams, and product managers.

• Participate in Agile/Scrum ceremonies and sprint planning.

• Use Git for version control and contribute to repository standards.

• Configure build tools such as Webpack or Vite and support CI/CD setup.

• Monitor and maintain front-end deployments.

• Stay current with the React ecosystem and explore frameworks such as Next.js or React Native.

What You Bring

• Bachelors degree in Computer Science, Engineering, or equivalent experience.

• 7+ years of experience as a ReactJS/Frontend Developer.

• Strong proficiency in ReactJS, JavaScript, HTML, and CSS.

• Experience working with RESTful APIs.

• Familiarity with Agile methodologies and Git.

• Experience with Bootstrap.

• Ability to work across waterfall, agile, and hybrid delivery models.

• Strong debugging and troubleshooting capabilities.

• Basic understanding of Azure CI/CD and Azure dashboard workflows.

Nice to Have

• Experience building applications in a microservices environment.

• Knowledge of Azure DevOps, Docker, and Kubernetes.

• Understanding of clean code and clean architecture principles.

• CI/CD and DevOps tooling familiarity.

• Experience with Postman/Bruno for API testing.

• Understanding of web API security concepts.

• Experience writing tests using Jasmine.

• Exposure to Storybook.

What Success Looks Like

• Delivering clean, stable, and scalable front-end components.

• Improving performance, usability, and code standards across the product suite.

• Collaborating effectively across teams to drive high-quality delivery in each sprint.

• Continuously adopting new techniques, tools, and practices to elevate product excellence.