Full Stack Developer (Node.js/React)

Capgemini is an AI-powered global business and technology transformation partner with nearly 60 years of heritage, employing over 420,000 team members in more than 50 countries. The Group reported 2025 global revenues of €22.5 billion. The role is part of the Neo team, focusing on building a next-generation Group-wide AI platform connecting employees with tools, data, and intelligent workflows.

• Degree in Computer Science, Engineering, or equivalent practical experience
• Strong hands-on full-stack experience across frontend, backend, and APIs
• Solid expertise in React and modern frontend development practices
• Experience with Node.js, JavaScript/TypeScript, and backend frameworks
• Strong Python skills, ideally applied in AI/LLM or data-processing contexts
• Good understanding of APIs, microservices, authentication, and secure integrations
• Familiarity with AI application patterns such as LLMs, RAG, embeddings, and prompt engineering
• Experience with cloud platforms, CI/CD, Docker, and complex systems
• Product-oriented mindset

• Build interactive and scalable frontend applications using React with a focus on performance and usability
• Develop backend services and APIs with JavaScript/TypeScript and Node.js frameworks (Express.js, NestJS)
• Create Python-based AI/LLM components, data-processing logic, and automation scripts
• Develop middleware connecting frontend, AI backends, and enterprise systems (sessions, prompts, routing, permissions)
• Support AI-driven product features such as conversational interfaces, RAG flows, and structured responses
• Integrate with enterprise systems, SaaS platforms, and automation tools
• Work with cloud services (preferably GCP) to enable scalable and production-ready deployments
• Collaborate cross-functionally and prototype, test, and iterate in fast-changing AI environments