Full Stack Developer (Node.js/React)

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Your role

As a Full Stack Engineer for Neo at Capgemini, this role focuses on building the next generation of a Group-wide AI platform connecting employees with tools, data, and intelligent workflows. It combines frontend, backend, and AI-powered product development, with a strong emphasis on scalability, technical quality, and fast iteration. The work directly contributes to shaping user-facing AI solutions and delivering reliable, production-ready systems.

Your tasks

• 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

Your profile

• Degree in Computer Science, Engineering, or equivalent practical experience

• Strong hands-on full-stack experience across frontend, backend, and APIsSolid 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, combined with a product-oriented mindset

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, Architects, Google) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, TED Talks and Udemy Business materials and trainings. 

• Cutting-Edge Technology: Position yourself at the forefront of IT innovation, working with the latest technologies and platforms. Capgemini partners with top global enterprises, including 145 Fortune 500 companies.  

• Community Hub that will allow you to choose from over 20 professional communities that gather people interested in, among others: Salesforce, Java, Could, IoT, Agile, AI.  

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 an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.