Senior Front-End Engineer - React & UI Innovation

Rosstone; Gauteng; On-site; ZAR 650,000 - 900,000; Full time

Job summary

Rosstone in Gauteng is seeking an experienced Senior Frontend Engineer to design, develop, and maintain robust front-end applications using React.js. You will transform business requirements into clean, efficient, and reusable code and build responsive, high-performance user interfaces.

Collaborate with product owners, designers, backend developers, and QA teams in an Agile environment, mentor junior developers, contribute to architecture, and champion performance and security best practices.

Qualifications

• Degree or Diploma in Computer Science, Information Systems, or related field (or equivalent practical experience).
• 5+ years in software development.
• 3+ years hands-on experience with React.
• Experience working in Agile teams.
• Exposure to enterprise or large-scale systems (advantageous).

Responsibilities

• Design, develop, and maintain front-end apps using React.js.
• Transform requirements into clean, reusable code.
• Build responsive, high-performance user interfaces.
• Integrate front-end with REST APIs and backend services.
• Ensure code quality through reviews, testing, and best practices.

Skills

React.js

JavaScript (ES6+)

HTML5

CSS3

Redux / Context API

REST API integration

Webpack / Vite

Git

Responsive design

Cross-browser compatibility

Education

Degree or Diploma in Computer Science, Information Systems, or related field

Tools

Webpack

Vite

Git

Job description

Rosstone in Gauteng is seeking an experienced Senior Frontend Engineer to design, develop, and maintain robust front-end applications using React.js. You will transform business requirements into clean, efficient, and reusable code and build responsive, high-performance user interfaces.

Collaborate with product owners, designers, backend developers, and QA teams in an Agile environment, mentor junior developers, contribute to architecture, and champion performance and security best practices.