Senior Lead Engineer (AI)

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

Your tasks

• Lead the design and implementation of scalable, user-centric frontend solutions using React
• Architect and build high-performance backend services with JavaScript/TypeScript and Node.js frameworks
• Develop and integrate Python-based AI/LLM solutions, including orchestration flows, RAG pipelines and model interaction logic
• Connect frontend, backend and AI capabilities into end-to-end product flows across APIs, data sources and cloud services
• Translate business requirements and user journeys into robust technical solutions
• Evolve AI capabilities, including prompt orchestration, retrieval flows, context handling and response quality
• Collaborate with cross-functional teams to ensure secure, scalable and maintainable integration patterns
• Drive technical problem-solving and maintain high engineering standards across quality, performance and production readiness

Your profile

• Degree in Computer Science, Engineering, AI, Data Science or equivalent practical experience
• Strong hands-on experience in software engineering within AI/ML, LLM or platform environments
• Advanced Python expertise, particularly in AI/LLM use cases such as orchestration, data processing and model integration
• Strong experience with React and modern frontend development
• Solid backend experience with JavaScript/TypeScript, Node.js and related frameworks
• Good understanding of LLM-based architectures, including RAG, embeddings, prompt engineering and evaluation
• Experience building APIs, microservices and integrated systems across frontend, backend and AI layersFamiliarity with cloud platforms (preferably GCP), secure enterprise delivery practices and modern development workflows, combined with strong problem-solving skills and a collaborative 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, Excel, Business Analysis, Project Management) 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.
• 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 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.