Senior Frontend Developer

Plan Creativenest South Africa; Cape Town; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading marketing technology firm in Cape Town is looking for a Senior Front End Developer to create intuitive and scalable user interfaces for AI agents. You'll collaborate with engineers and designers to design applications that transform complex AI orchestration into seamless user experiences for marketers. The ideal candidate has 3+ years of front-end development experience, strong expertise in React, and solid API integration skills.

Qualifications

• 3+ years of front-end development experience, ideally in SaaS or enterprise product environments.
• Strong expertise in React and proven experience with modern state management.
• Solid understanding of RESTful and GraphQL API integration.

Responsibilities

• Develop responsive front-end applications for interacting with AI agents.
• Implement dynamic forms and configuration panels for project management.
• Design and maintain a reusable component library ensuring consistent UX.

Skills

React

Git / GitHub workflow

Responsive design

RESTful and GraphQL API integration

Performance optimization

Tools

AWS services

Tailwind CSS

Material-UI

Job description

We are looking for a highly skilled and experienced Senior Front End Developer to join our AI & Automation team.

Together, we are building the future of marketing agencies through AI augmentation and autonomous AI Agents.

As Front End Developer your create the critical human-AI touchpoints that make our specialized agents accessible and powerful.

You'll be responsible for building intuitive, scalable, and elegant user interfaces that transform complex AI orchestration into seamless user experiences for marketing professionals on client sides as well as our internal teams. Working at the intersection of cutting-edge AI technology and user experience design, you'll collaborate closely with AI engineers, product leads, and designers to bring our agent ecosystem to life.

From real-time dashboards to sophisticated briefing interfaces and control panels, you'll create interfaces that make AI-powered marketing feel effortless.

This is a unique opportunity to define how hundreds of marketers will interact with AI agents handling everything from content creation to media planning, quality assurance, and performance analytics.

What You'll Do

• Develop responsive, performant front-end applications for interacting with our suite of AI agents using Build real-time dashboards, agent visualizations, and campaign management UIs
• Implement dynamic forms and configuration panels for briefing intake, and project management
• Design and maintain a reusable component library ensuring consistent UX across all agent interfaces
• Develop chat-like interfaces for natural language interaction with agents like the Project Management Agent and Customer Journey Mapping Agent
• Optimize performance for handling large datasets and high-frequency updates from multiple concurrent agents
• Build secure, multi-tenant interfaces supporting role-based access control and enterprise SSO
• Implement comprehensive testing strategies ensure high quality delivery
• Contribute to UX decisions and participate in design reviews for new agent capabilities

Requirements

• 3+ years of front-end development experience, ideally in SaaS or enterprise product environments
• Strong expertise in React, and Proven experience with modern state management (Redux, Zustand, or TanStack Query)
• Solid understanding of RESTful and GraphQL API integration
• Experience with component libraries (Tailwind CSS, shadcn / ui, Radix UI, or Material-UI)
• Knowledge of responsive design, accessibility standards (WCAG 2.1), and performance optimization
• Experience building interactive applications with real-time data updates and complex workflows
• Proven experience with AWS services, particularly CloudFront, S3, and API Gateway
• Strong Git / GitHub workflow knowledge and agile development experience
• Understanding of UI / UX best practices and ability to translate Figma designs into pixel-perfect implementations

Nice to Have

• Experience building interfaces for AI-driven, data-heavy, or workflow automation platforms
• Familiarity with chat UIs, prompt engineering interfaces, or agent control panels
• Knowledge of data visualization libraries, Recharts, Victory
• Experience with micro-frontend architectures or module federation
• Exposure to marketing technology platforms or agency workflows
• Understanding of AI agent frameworks
• Experience with event-driven architectures and serverless computing
• Interest in design systems and component framework architecture

Join us to design the interface between humans and AI. If you're passionate about crafting exceptional user experiences that make powerful AI accessible and actionable for marketing professionals worldwide, we'd love to hear from you.