FrontEnd Engineer – AI Productivity Suite

Krakow, Poland | Hybrid, 2 days/week Full‑time | B2B contractShape the future of work with AI An internal GenAI & LLM‑powered productivity platform is already redefining how thousands of employees interact with intelligent tools. Now, we need you – a front‑end engineer with a passion for smooth, human‑centric interfaces – to bring these experiences to life. You won't just write components. You'll design and deliver React‑based UIs that make complex AI feel simple, intuitive, and even delightful. What you'll do • Build responsive, high‑performance UIs that scale across devices and internal tools • Rapidly prototype new features at the intersection of productivity and AI • Collaborate closely with product managers and UX designers to turn research into polished interfaces • Seamlessly integrate backend APIs (REST / GraphQL) into fluid front‑end experiences • Champion modern front‑end best practices – accessibility, performance, maintainability, testing What you bring Must‑have: • Solid commercial experience in front‑end development • Deep proficiency in React.js, JavaScript (ES6+), and CSS (Tailwind / CSS‑in‑JS is a plus) • Strong sense of UX/UI design – you notice the details others miss • Experience integrating with backend APIs and handling asynchronous data flows Highly desirable: • Previous work on AI / GenAI products or UX‑heavy applications (chat interfaces, copilots, creative tools, dashboards with complex interactions)