Intermediate Frontend Developer (React / JavaScript / HTML / CSS) – JHB at Datafin Recruitment

ENVIRONMENT:

• A young and vibrant Digital Innovation and Business Application Solutions company based in Johannesburg is seeking an Intermediate Frontend Developer with 3–5 years’ experience to join their growing agile team.
• This role is ideal for a hands-on React developer who enjoys building clean, responsive, and scalable user interfaces. You will work closely with designers and backend developers to deliver high-quality digital solutions in a collaborative and fast-paced environment.
• The company prides itself on delivering innovative work on time and to a high standard, making this opportunity well-suited to someone who thrives in a performance-driven team and is eager to continue developing their frontend expertise.

DUTIES:

Feature Development & Implementation

• You will play a key role in translating UI/UX designs into functional and maintainable code.

UI Implementation

• Converting high-fidelity designs into responsive web applications using React.
• Ensuring clean structure, accessibility, and cross-browser compatibility.

API Integration

• Connecting frontend components to backend services.
• Managing asynchronous data, loading states, and error handling.

State Management

• Implementing structured state management using tools such as Context API or Redux where appropriate.

Component Architecture & Code Quality

• Writing reusable, modular components that align with team standards.
• Contributing to shared component libraries and maintaining consistency across the application.
• Following clean coding principles to ensure maintainability and scalability.
• Participating in code reviews and actively incorporating feedback.

Performance & Best Practices

• Optimising assets and frontend performance to ensure fast load times and smooth user experiences.
• Ensuring cross-browser compatibility and responsive design across devices.
• Applying accessibility best practices using semantic HTML and ARIA attributes where needed.

Testing & Collaboration

• Writing basic unit tests for components using tools such as Jest or React Testing Library.
• Participating in agile ceremonies including stand-ups and sprint planning.
• Collaborating effectively with backend developers and designers.
• Supporting junior developers where appropriate while continuing to grow under senior mentorship.

REQUIREMENTS:

• 3–5 years’ experience in frontend development.

Strong proficiency in:

• HTML5
• CSS3 (Flexbox/Grid)
• JavaScript (ES6+)
• React (compulsory)
• Git/GitHub

Advantageous:

• TypeScript
• Angular
• Tailwind CSS or SASS
• Experience working with RESTful APIs

ATTRIBUTES:

• Strong attention to detail
• Ability to work independently on assigned features
• Collaborative and team-oriented mindset
• Good problem-solving ability
• Desire to continuously learn and improve