Senior Front-End Lead — React.js & UI Excellence

ATS Client; Johannesburg; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

ATS Client is seeking a Senior Front-End Developer to design, develop, and maintain enterprise-grade front-end applications using React.js. You will translate business requirements into clean, reusable code and build responsive, scalable interfaces.

The role involves collaborating with cross-functional teams, delivering in an Agile environment, and mentoring junior developers while contributing to architecture, performance, and security improvements.

Qualifications

• 5+ years of software development experience.
• 3+ years hands-on React application development.
• Experience working within Agile development teams.

Responsibilities

• Design, develop, and maintain front-end applications using React.js
• Translate business and user requirements into clean, efficient, reusable code
• Build responsive, scalable, and high-performance user interfaces
• Integrate front-end applications with RESTful APIs and backend services
• Ensure code quality through code reviews, testing, and best practices
• Provide technical guidance and mentorship to junior developers
• Contribute to application architecture and technical design decisions
• Promote best practices in front-end performance, scalability, and security
• Participate in sprint planning, effort estimation, and technical discussions
• Work closely with Product Owners, UI/UX Designers, Back-End Developers, and QA teams
• Support Agile delivery frameworks (Scrum / SAFe)
• Troubleshoot, debug, and resolve production issues
• Drive continuous improvement of development standards, tooling, and processes

Skills

React.js

JavaScript (ES6+)

HTML5

CSS3

Redux

Context API

REST APIs

Webpack

Vite

Git

Responsive design

Cross-browser compatibility

Education

Degree or Diploma in Computer Science, Information Systems

Equivalent practical experience

Job description

ATS Client is seeking a Senior Front-End Developer to design, develop, and maintain enterprise-grade front-end applications using React.js. You will translate business requirements into clean, reusable code and build responsive, scalable interfaces.

The role involves collaborating with cross-functional teams, delivering in an Agile environment, and mentoring junior developers while contributing to architecture, performance, and security improvements.