Frontend Developer

Network Finance; Randburg; On-site; ZAR 450,000 - 750,000; Full time

Job summary

Network Finance is seeking a skilled Front-End Developer to build high-performance web applications using React or Angular in Randburg. You will implement semantic HTML5, responsive UI with CSS3, and integrate AI-powered features leveraging LLM APIs.

Collaborating with AI/ML engineers and backend teams, you will transform wireframes into production-ready front-end apps, optimize performance, accessibility, and scalability, and stay current with AI technologies and front-end trends.

Qualifications

• Proven experience as a Front-End Developer or Front-End Engineer.
• Strong proficiency in React or Angular.
• Solid experience with HTML5, CSS3, responsive design principles, Flexbox, Grid, and mobile-first development.
• Experience integrating AI/LLM-powered features into web applications.
• Exposure to chatbot development, document understanding, summarisation tools, or conversational user interfaces.
• Experience consuming REST and/or GraphQL APIs.
• Strong understanding of modern UI/UX development best practices.
• Ability to build reusable, maintainable, and scalable front-end components.
• Strong focus on performance optimisation and accessibility standards.
• Experience working in collaborative Agile development environments.
• Exposure to prompt engineering concepts and AI-driven application development will be advantageous.

Responsibilities

• Build high-performance web applications using React or Angular.
• Develop clean, semantic HTML5 and responsive user interfaces using modern CSS3 techniques.
• Integrate AI-powered features such as chatbots, document understanding, summarisation tools, and intelligent workflows.
• Consume and integrate LLM APIs through REST and GraphQL services.
• Create intelligent user experiences including conversational interfaces, AI-powered suggestions, hints, and autocomplete functionality.
• Transform wireframes and concepts into production-ready front-end applications.
• Optimise application performance, scalability, accessibility, and responsiveness.
• Develop reusable components and maintain high code quality through testing and code reviews.
• Stay up to date with emerging AI technologies, frameworks, and front-end development trends.

Skills

React

Angular

HTML5

CSS3

Responsive design

REST APIs

GraphQL

AI/LLM integration

Agile development

Front-end development

Job description

About the role

Our client is seeking a highly skilled Front-End Developer with strong expertise in React or Angular and practical experience integrating AI-powered features into modern web applications. This role offers the opportunity to work on innovative solutions that leverage Large Language Models (LLMs) to enhance user experiences through intelligent and interactive functionality.

You will collaborate closely with AI/ML engineers and backend teams to develop scalable, responsive, and high-performance applications while helping shape the future of AI-enabled digital experiences. If you are passionate about building modern front-end solutions and enjoy exploring emerging AI technologies, this opportunity offers a chance to make a meaningful impact in a rapidly evolving environment.

Key Responsibilities

• Build high-performance web applications using React or Angular.
• Develop clean, semantic HTML5 and responsive user interfaces using modern CSS3 techniques.
• Integrate AI-powered features such as chatbots, document understanding, summarisation tools, and intelligent workflows.
• Consume and integrate LLM APIs through REST and GraphQL services.
• Create intelligent user experiences including conversational interfaces, AI-powered suggestions, hints, and autocomplete functionality.
• Transform wireframes and concepts into production-ready front-end applications.
• Optimise application performance, scalability, accessibility, and responsiveness.
• Develop reusable components and maintain high code quality through testing and code reviews.
• Stay up to date with emerging AI technologies, frameworks, and front-end development trends.

Job Experience and Skills Required

• Proven experience as a Front-End Developer or Front-End Engineer.
• Strong proficiency in React or Angular.
• Solid experience with HTML5, CSS3, responsive design principles, Flexbox, Grid, and mobile-first development.
• Experience integrating AI/LLM-powered features into web applications.
• Exposure to chatbot development, document understanding, summarisation tools, or conversational user interfaces.
• Experience consuming REST and/or GraphQL APIs.
• Strong understanding of modern UI/UX development best practices.
• Ability to build reusable, maintainable, and scalable front-end components.
• Strong focus on performance optimisation and accessibility standards.
• Experience working in collaborative Agile development environments.
• Exposure to prompt engineering concepts and AI-driven application development will be advantageous.