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Matt Wallaert
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Frontend Gen AI Developer

Capgemini

Capgemini

Software Engineering, Data Science
Poland
Posted on Oct 31, 2025

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose.

YOUR TASKS

  • Design and implement frontend interfaces for Generative AI applications that provide intuitive, interactive, and visually engaging user experiences.
  • Integrate LLMs, multimodal models, and GenAI APIs (e.g., OpenAI, Anthropic, Stability, Hugging Face) into web-based products.
  • Collaborate with backend and AI engineers to connect AI pipelines with responsive and dynamic frontend components.
  • Build AI-driven UI features — such as chat interfaces, real-time text/image generation tools, and adaptive user experiences powered by GenAI.
  • Optimize frontend performance and ensure secure, scalable integrations with GenAI services deployed on cloud platforms.
  • Contribute to R&D efforts exploring new ways to merge UX design and generative AI capabilities.

YOUR PROFILE

  • Strong passion for Generative AI and creative user interfaces that bring AI capabilities to life.
  • 1.5+ years of experience in frontend development, ideally with exposure to AI-driven or data-intensive applications.
  • Proficiency in JavaScript/TypeScript, React, Next.js, or similar modern frameworks.
  • Familiarity with LLM APIs, prompt engineering, and fine-tuning workflows is a strong plus.
  • Experience integrating AI services via REST, GraphQL, or WebSocket APIs.
  • Understanding of cloud platforms (AWS, Azure, GCP) and concepts like vector databases or RAG pipelines is beneficial.
  • Knowledge of UI/UX principles, and experience building dynamic interfaces for chatbots, assistants, or AI tools.
  • Excellent communication skills (English required; German or Polish are a plus) and a collaborative, international mindset.

Nice to have:

  • Experience with tools like LangChain.js, Vercel AI OpenAI/Anthropic front-end integrations.
  • Background in creative coding (e.g., WebGL, Three.js, Canvas APIs) or AI-generated visuals.
  • Demonstrated curiosity for AI-human interaction design and emerging GenAI UX patterns.

WHAT YOU’LL LOVE ABOUT WORKING HERE

  • Well-being culture: medical care with Medicover, private life insurance, and Sports card. But we went one step further by creating our own Capgemini Helpline offering therapeutical support if needed and the educational podcast 'Let's talk about wellbeing' which you can listen to on Spotify.
  • Access to over 70 training tracks with certification opportunities (e.g., GenAI, Excel, Business Analysis, Project Management) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, Pluralsight, TED Talks, Coursera and Udemy Business materials and trainings.
  • Continuous feedback and ongoing performance discussions thanks to our performance management tool GetSuccess supported by a transparent performance management policy.
  • Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.

GET TO KNOW US

Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.

Do you want to get to know us better? Check our Instagram — @capgeminipl or visit our Facebook profile — Capgemini Polska. You can also find us on YouTube.

ABOUT CAPGEMINI

Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided everyday by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of over 360,000 team members globally in more than 50 countries. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

Apply now!