Frontend Engineer - Developer Experience & AI Playground

Antler; København; On-site; DKK 650,000 - 950,000; Full time

Benefits offered by this job

Equity

Job summary

Interhuman AI is seeking a Frontend Engineer to shape the developer experience—from the playground to SDK integrations. You will turn complex real-time AI outputs into clear, interactive interfaces that help developers understand, integrate, and experiment quickly.

This hands-on role emphasizes polish, motion, and the feel of a product, working with product, backend, and DevRel to ensure an intuitive experience from day one.

Qualifications

• 3–6 years of experience building production web applications.
• Strong proficiency in React and Next.js with TypeScript.
• Experience with real-time or streaming data and integrating APIs.

Responsibilities

• Own the Playground UI and developer-facing experiences.
• Design onboarding flows from first try to first integration.
• Build SDK examples and reference apps (React, JS, Python) on GitHub.
• Create interactive demos for pilots and launches (sales coach, engagement detector).
• Integrate frontend with API endpoints and real-time model streams (REST, WebSocket, WebRTC).
• Add polish with micro-interactions and animations (Motion.dev, GSAP).
• Contribute to DX tooling and developer workflows.

Skills

React

TypeScript

Next.js

Tailwind

Animation

Real-time data

REST/WebSocket

Tools

GitHub

REST API

WebSocket

WebRTC

Job description

Interhuman AI is seeking a Frontend Engineer to shape the developer experience—from the playground to SDK integrations. You will turn complex real-time AI outputs into clear, interactive interfaces that help developers understand, integrate, and experiment quickly.

This hands-on role emphasizes polish, motion, and the feel of a product, working with product, backend, and DevRel to ensure an intuitive experience from day one.