Front End Engineer (React/UI)

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

Job summary

ATS Client in Johannesburg is seeking a Senior Front End Engineer to build and maintain React applications using TypeScript, Tailwind CSS, and modern patterns. You’ll translate designs into accessible, responsive interfaces and partner with designers, product owners, and back-end engineers.

You'll contribute to design systems, own front-end quality, participate in agile ceremonies, and mentor peers, while ensuring performance, security, and a seamless user experience across devices.

Qualifications

• Proficient in React and TypeScript with 5+ years front-end experience.
• Strong understanding of state management, accessibility, and responsive design.
• Experience with RESTful APIs, authentication, and security best practices.
• Familiarity with CI/CD pipelines (Azure DevOps) and automated testing (Jest, Cypress).
• Experience with design systems and reusable components; collaboration across disciplines.

Responsibilities

• Build, maintain, and enhance modular React applications using TypeScript, Tailwind CSS, and modern patterns.
• Translate UX designs into accessible, responsive interfaces across devices and browsers.
• Integrate with .NET/Azure backend APIs and workflows.
• Improve performance, accessibility, and user experience through quality code and testing.
• Contribute to design systems and front-end standards; participate in code reviews and agile ceremonies.

Skills

React

TypeScript

State management

RESTful APIs

Security best practices

Azure DevOps

Jest

Cypress

UX principles

WCAG accessibility

Design systems

Collaborative/mentoring

AZ-204

Education

Degree in Computer Science or Software Engineering

Tools

Azure DevOps

Jest

Cypress

React

Next.js

Job description

Job Description

Join Us as a Senior Front End Engineer (React/UI)

Are you a passionate Front End Engineer looking to make a real impact? We're building a next-generation Private Client Lending Origination Platform – a game-changing initiative that will transform the way private client mortgages are originated and managed.

We're looking for someone who combines deep technical expertise in React and TypeScript with a collaborative, team-oriented mindset. If you know what great front-end engineering looks like and thrive in a culture of craftsmanship, shared learning, and continuous improvement, this is the role for you.

What You'll Do

• Build, maintain, and enhance modular React applications using TypeScript, Tailwind CSS, and modern architecture patterns.
• Translate UX designs and prototypes into responsive, accessible, production-ready interfaces.
• Integrate securely with .NET/Azure backend APIs and workflows.
• Optimise applications for performance, accessibility, and user experience across devices and browsers.
• Contribute to and maintain design systems and front-end standards.
• Collaborate closely with designers, product owners, and backend engineers to deliver reliable, user-centred features.
• Participate in code reviews, testing, and continuous improvement initiatives.
• Mentor and support fellow developers, sharing expertise and fostering growth.
• Engage in agile ceremonies and help champion technical ownership and accountability.

What We're Looking For

Core Skills & Experience

• 5+ years developing front-end applications with React and TypeScript.
• Strong state management knowledge.
• Experience with RESTful APIs, authentication, and security best practices.
• CI/CD pipeline experience (Azure DevOps or similar) and automated testing (Jest, Cypress).
• Solid grounding in UX principles, responsive design, and accessibility (WCAG).
• Comfortable working with design systems and reusable component frameworks.
• Proven ability to collaborate across disciplines and contribute to a learning-focused technology community.
• AZ-204 (Azure Developer Associate) certification required.

Bonus Skills

• Exposure to .NET, Azure, or full-stack development environments.
• Familiarity with React Query, Next.js, or form-heavy workflows.
• Experience in financial services, lending, or regulated environments.
• Understanding of modern DevOps practices and cloud-hosted application design.
• Additional Microsoft certifications (AZ-900) desirable.

Qualifications

• Degree in Computer Science, Software Engineering, or equivalent experience.