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Lead Frontend Engineer (Next.js) @ Bayer
  • Warsaw
Lead Frontend Engineer (Next.js) @ Bayer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Bayer
8. 3. 2026
Informacje o stanowisku

You’ll build the user interface for myGenAssist, an enterprise AI assistant platform. The frontend is a Next.js application with real-time AI streaming, rich text editing, workflow builders, and voice capabilities.


  • 7+ years with React and TypeScript in production
  • Strong Next.js experience (App Router, server/client components)
  • TypeScript in strict mode
  • Experience with a component library (Mantine preferred, or MUI/Chakra — willingness to learn Mantine)
  • Tailwind CSS
  • State management with Zustand, Redux, or similar
  • Experience with SSE or WebSocket streaming for real-time UIs
  • Testing with Vitest or Jest + Testing Library; familiarity with E2E testing
  • Git and PR-based workflow

You’ll build the user interface for myGenAssist, an enterprise AI assistant platform. The frontend is a Next.js application with real-time AI streaming, rich text editing, workflow builders, and voice capabilities.

,[Build and maintain features using Next.js (App Router), React, and TypeScript., Develop reusable UI components using Mantine and Tailwind CSS, following our design system and dark mode support., Implement real-time AI interactions including streaming chat responses (SSE), tool-call rendering, and agent workflow visualization., Manage client-side state with Zustand and data fetching with SWR., Optimize application performance across devices — code splitting, lazy loading, efficient re-renders., Write unit tests (Vitest) and E2E tests (Cypress). PRs require test coverage, enforced in CI., Participate in code reviews with attention to TypeScript correctness, accessibility, and responsive design. Requirements: JavaScript Additionally: Sport subscription, Private healthcare, International projects, Company car.

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