Frontend Engineer: AI Dashboards & Real-Time UI

MarvelX AI; Amsterdam; On-site; EUR 60,000 - 80,000; Full time

Job summary

MarvelX AI is building AI-powered interfaces for regulated industries. We’re seeking a Frontend Engineer who can turn complex data and real-time interactions into seamless, production-grade UI, working directly with founders and tech leads to shape the user-facing layers of our AI systems.

You’ll own the look, feel, and performance of MarvelX’s core products, translate AI-driven workflows into intuitive experiences, help define frontend architecture and design system, and collaborate with

Qualifications

• 2–4 years of experience building production-grade web applications.
• Strong expertise in React and TypeScript.
• Proficient with TailwindCSS and responsive design.
• Experience integrating REST and GraphQL APIs and debugging data flows.
• Experience with real-time streaming technologies (WebSockets, SSE, GraphQL subscriptions).

Responsibilities

• Build, optimize, and maintain modern web apps using React and TypeScript.
• Design clean, responsive UIs with TailwindCSS and custom CSS.
• Integrate backend and AI APIs to deliver data-rich experiences.
• Work with real-time streaming data to visualize interfaces.
• Collaborate with product, design, and AI teams to ship reliable products.
• Implement performance, accessibility, and maintainability best practices.
• Contribute to component libraries and internal tooling.

Skills

React

TypeScript

TailwindCSS

APIs (REST/GraphQL)

Real-time streaming

UX sensitivity

Tools

Plotly/D3/Recharts

Job description

MarvelX AI is building AI-powered interfaces for regulated industries. We’re seeking a Frontend Engineer who can turn complex data and real-time interactions into seamless, production-grade UI, working directly with founders and tech leads to shape the user-facing layers of our AI systems.

You’ll own the look, feel, and performance of MarvelX’s core products, translate AI-driven workflows into intuitive experiences, help define frontend architecture and design system, and collaborate with