At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where ,Health for all, Hunger for none’ is no longer a dream, but a real possibility. We’re doing it with energy, curiosity and sheer dedication, always learning from unique perspectives of those around us, expanding our thinking, growing our capabilities and redefining ‘impossible’. There are so many reasons to join us. If you’re hungry to build a varied and meaningful career in a community of brilliant and diverse minds to make a real difference, there’s only one choice.

Lead Frontend Engineer MyGenAssist

For Digital Hub Warsaw, we are looking for:

Lead Frontend Engineer

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.

Key Tasks & Responsibilities:

• 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.
  
  

Qualifications & Competencies (education, skills, experience):

• 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 nice to have:
• Experience integrating AI/LLM features into UIs (streaming responses, chat interfaces)
• Rich text editors (Plate.js, Slate, TipTap)
• Flow diagram libraries (React Flow)
• Real-time audio/video (LiveKit, WebRTC)
• Sentry for error tracking
• Agile/Scrum experience
  
  

What do We offer:

• A flexible, remote-hybrid work model
• Great workplace in a new modern office in Warsaw
• Career development, 360° Feedback & Mentoring programme
• Wide access to professional development tools, trainings, & conferences
• Company Bonus & Reward Structure
• VIP Medical Care Package (including Dental & Mental health)
• Holiday allowance (“Wczasy pod gruszą”)
• Life & Travel Insurance
• Pension plan
• Co-financed sport card - FitProfit
• Meals Subsidy in Office
• Budget for Home Office Setup & Maintenance
• Access to Company Game Room equipped with table tennis, soccer table, Sony PlayStation 5 and Xbox Series X consoles setup with premium game passes, and massage chairs
• Tailored-made support in relocation to Warsaw when needed
• Please send your CV in English
  
  

WORK LOCATION: WARSAW AL. JEROZOLIMSKIE 158

YOUR APPLICATION

Bayer welcomes applications from all individuals, regardless of race, national origin, gender, age, physical characteristics, social origin, disability, union membership, religion, family status, pregnancy, sexual orientation, gender identity, gender expression or any unlawful criterion under applicable law. We are committed to treating all applicants fairly and avoiding discrimination.

Bayer is committed to providing access and reasonable accommodations in its application process for individuals with disabilities and encourages applicants with disabilities to request any needed accommodation(s) using the contact information below.

Bayer offers the possibility of working in a hybrid model. We know how important work-life balance is, so our employees can work from home, from the office or combine both work environments. The possibilities of using the hybrid model are each time discussed with the manager.

Location: Poland : Mazowieckie : Warszawa

Division: CH

Reference Code: 814625

Location:

Poland : Mazowieckie : Warszawa

Division:

CH

Reference Code:

814625