Frontend Developer – React.js
ellow ·
- Work mode
- Onsite
- Category
- Frontend
- Experience
- 4+ years
ellow ·
Kstack · São Paulo, SP, BR
Kyanon Digital · Ho Chi Minh City, Viet Nam
Seismic Consulting Group · ABUJA MAITAMA, Nigeria
smarkets · London
Builds and maintains React.js web apps and dashboards for Ellow's AI agent platform, turning complex AI processes into responsive, real-time interfaces. Core tech: React, TypeScript, REST/GraphQL/WebSocket APIs, Figma-to-code workflows, and testing with Jest.
We’re looking for a Frontend Developer (React.js) who can craft seamless, high-performance user interfaces for Ellow’s AI Agent Platform. You’ll translate complex AI processes into elegant, intuitive, and responsive dashboards bridging UX, data visualization, and real-time interactivity.
Key Responsibilities
Develop and maintain React.js-based web applications and dashboards for AI products.
Collaborate with backend and AI teams to build front-end integrations for LLM and agentic workflows.
Implement responsive UI components, animations, and visualizations for live agent interactions and logs.
Optimize performance for scalability, reusability, and maintainability.
Work with design teams to translate Figma prototypes into production-ready code.
Integrate APIs (REST, WebSockets, GraphQL) to display real-time AI outputs and metrics.
Ensure high code quality through testing (Jest/React Testing Library) and best practices.
Stay current with modern frontend tools, frameworks, and AI-driven UX trends.
4+ years of professional experience as a Frontend Developer, with a strong portfolio in React.js.
Proficiency in TypeScript, HTML5, CSS3, and modern JS (ES6+).
Familiarity with Redux / Zustand / Recoil for state management.
Experience integrating REST / GraphQL APIs.
Good understanding of UI/UX principles and responsive design.
Version control using Git / GitHub.
Experience with build tools like Vite, Webpack, or Babel.
Strong debugging, problem-solving, and collaboration skills.
Exposure to AI / LLM-based applications or data visualization libraries (Recharts, D3.js, Chart.js).
Experience with Next.js, TailwindCSS, and Framer Motion.
Familiarity with real-time apps (WebSocket, SignalR, or Firebase).
Understanding of authentication flows, role-based access, and API security.
Why Join Ellow
Build beautiful and functional interfaces for cutting-edge AI agent systems.
Work with a cross-functional AI-first team that values creativity and speed.
Opportunity to contribute to the evolution of Agentic AI products that redefine automation.
Competitive compensation and high-growth startup environment.
robusta · Cairo, Cairo Governorate, Egypt