Front End Developer

Watershed Consulting; Gauteng; Hybrid; ZAR 700,000 - 1,000,000; Full time

Job summary

Watershed Consulting is seeking an experienced Front End Developer for a contract role in Johannesburg. The candidate should be proficient in TypeScript and React, with strong HTML5/CSS skills and a track record of delivering responsive, accessible web applications.

4 days in the office and 1 day remote are required. Applicants must be able to join promptly without a lengthy notice period and pass all pre-employment checks.

Qualifications

• 5+ years of professional front-end development experience in modern web frameworks.
• Proven production applications using TypeScript and React.
• Strong knowledge of HTML5, CSS, and Sass pre-processors.
• Experience creating and maintaining design systems or UI libraries.
• Familiarity with WCAG, accessibility, and responsive design.

Responsibilities

• Design, develop, and maintain web applications using TypeScript and React.
• Extend shared components, libraries, and design systems for consistency.
• Apply CSS pre-processors and modern CSS methodologies for responsive styles.
• Enforce architecture, code quality, and front-end best practices.
• Collaborate with backend, UX/UI, QA, and product teams.
• Optimize performance, accessibility, and cross-browser compatibility.
• Write unit and integration tests; contribute to CI/CD and quality checks.

Skills

5+ years experience

TypeScript

React

HTML5

CSS/Sass

Design systems

WCAG accessibility

RESTful APIs

CI/CD

Testing (unit/integration)

Communication

Tools

TypeScript

React

HTML5

CSS

Sass

Storybook

Webpack

Git

Jest

React Testing Library

NPM

CI/CD

ESLint

Job description

Job Title: Front End Developer

Description

We are seeking an experienced Front End Developer for a contract role

Location: Johannesburg - 4 days in office, 1 day remote. All pre-employment checks must be clear. Only candidates available to join early will be considered; applicants requiring a 30-day notice period will not be accepted.

Responsibilities

• Design, develop, and maintain high-performing, responsive web applications using TypeScript and React.
• Implement and extend shared packages, component libraries, and design systems to ensure consistency across products.
• Apply CSS pre-processors and modern CSS methodologies to create maintainable stylesheets and responsive layouts.
• Enforce architectural standards, code quality benchmarks, and front-end best practices across the engineering team.
• Collaborate closely with back-end developers, UX/UI designers, QA, and product teams to deliver well-architected and testable solutions.
• Optimize application performance, accessibility, and cross-browser compatibility for large-scale web applications.
• Write and maintain unit and integration tests, and contribute to CI/CD pipelines and automated quality checks.

Qualifications

• 5+ years of professional front-end software development experience with demonstrable work in modern web frameworks.
• Proven experience building production applications with TypeScript and React.
• Strong working knowledge of HTML5, CSS, and CSS pre-processors (e.g., Sass).
• Experience creating and maintaining design systems, shared component libraries, or UI toolkits.
• Familiarity with web performance optimization, accessibility standards (WCAG), and responsive design principles.
• Solid understanding of RESTful APIs and collaboration with back-end services.
• Experience with testing frameworks, build tools, package managers, source control, and CI/CD practices.
• Excellent communication skills, attention to detail, and commitment to delivering high-quality code on schedule.

Skills

• TypeScript
• JavaScript
• React
• HTML5
• CSS
• Sass
• Responsive Design
• Accessibility
• Cross-Browser Compatibility
• RESTful API
• Design Systems
• Component-Driven Development
• State Management
• Redux
• Unit Testing
• Jest
• React Testing Library
• Webpack
• npm
• Git
• CI/CD
• ESLint
• Storybook
• Performance Optimization

. Skillset Required: TypeScript, JavaScript, React, HTML5, CSS, Sass, Responsive Design, Accessibility, Cross-Browser Compatibility, RESTful API, Design Systems, Component-Driven Development, State Management, Redux, Unit Testing, Jest, React Testing Library, Webpack, npm, Git, CI/CD, ESLint, Storybook, Performance Optimization