Senior Front End Developer - AI Agent Interfaces (all genders) - Cape Town, SA

Plan.Net Gruppe für digitale Kommunikation GmbH & Co. KG; Cape Town; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading digital communication agency is seeking a Senior Front End Developer to design and develop user-friendly interfaces for innovative AI agents in Cape Town. You will work closely with engineers and designers to create dashboards and interfaces, optimizing performance for large datasets. Strong expertise in React and Next.js is required, along with a passion for crafting exceptional user experiences. Competitive salary and professional growth opportunities are offered.

Benefits

Competitive salary

Professional growth opportunities

Ambitious team environment

Qualifications

• 3+ years of front-end development experience in SaaS or enterprise environments.
• Strong expertise in React and Next.js.
• Proven experience with component libraries.
• Solid understanding of RESTful and GraphQL API integration.

Responsibilities

• Develop responsive, performant front-end applications.
• Build real-time dashboards and agent visualizations.
• Design and maintain a reusable component library.

Skills

Front-end development experience

React

Next.js

State management (Redux, Zustand)

RESTful and GraphQL API integration

Responsive design

Accessibility standards (WCAG 2.1)

AWS services

Git / GitHub workflow

Tools

Tailwind CSS

Material-UI

Job description

Senior Front End Developer - AI Agent Interfaces (all genders) - Cape Town, SA

It is no longer just future talk - we are in the middle of a digital revolution. This is why we will do anything to help our clients reach their prospects and stand out in this multi-signal chaos. Our conviction is "Creating Relevance". This is how we create digital communication for brands and people - in Germany and worldwide. We are looking for passionate, energetic and brave colleagues to support us in our conviction. Are you curious enough to help us create profound digital messages?

Senior Front End Developer - AI Agent Interfaces (all genders) - Cape Town, SA

• Full Time
• Kapstadt, Südafrika
• With Professional Experience
• 11 / 5 / 25

About us :

Note: To be considered for this role, you’ll need to be a South African citizen or hold a valid work permit.

Serviceplan Group is Europe’s largest independent, partner-led agency group, renowned for its innovative, integrated solutions across strategy, creative, media, and digital communications. With a global presence and more than 5,000 experts in over 30 countries, we help our clients create impactful, future‑ready brand experiences. As part of our ongoing growth, our new Cape Town division, Plan.Net CreativeNest South Africa, delivers cutting‑edge digital services in UX / UI, real‑time 3D asset creation, and social media community management.

We are seeking a highly skilled Senior Front End Developer (all genders) based in Cape Town to join our AI & Automation team.

About the Role :

In this role, you’ll design and develop intuitive, scalable interfaces that make our advanced AI agents accessible and easy to use for marketing professionals and internal teams. You’ll work closely with AI engineers, product leads, and designers to create dashboards, briefing interfaces, and control panels that transform complex AI workflows into seamless user experiences. This position offers the opportunity to define how hundreds of marketers interact with AI agents across content creation, 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 React / Next.js
• 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 ensuring high quality delivery

Contribute to UX decisions and participate in design reviews for new agent capabilities.

What you Bring :

Essential Requirements :

• 3+ years of front‑end development experience, ideally in SaaS or enterprise product environments
• Strong expertise in React and Next.js
• 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

Bonus Points :

• 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 (D3.js, 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

What we offer

As a part of one of the largest independent and most creative digital agencies in Europe and the leading digital communications agency in Germany, we offer:

• A talented and ambitious team
• Competitive salary aligned with skills and experience
• An exciting and challenging environment that promotes professional growth and career opportunities within our company

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.

We have made it our goal to create an inclusive culture where all forms of diversity are seen as added value for our agency group. We are also on a first‑name basis here - from interns to management. This reduces unnecessary distance, fosters personal exchanges and enables us to work at ease and effectively with each other.

We welcome applications regardless of gender, age, ethnic and social background, sexual orientation or religion. We are committed to equal opportunity and participation and we particularly encourage applicants from underrepresented groups to apply with us.

Contact Person

Magdalena Mitter

Recruiter

Apply now on karriere.serviceplan.com

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