Senior Full Stack Developer

Our requirements

• Proven experience in senior full-stack software engineering roles
• Strong expertise in React and modern frontend architecture
• Solid backend development experience with Node.js, JavaScript/TypeScript, and API design
• Strong Python skills, ideally gained through AI, machine learning, automation, or data-processing projects
• Experience designing and building distributed systems, microservices, and enterprise integrations
• Good understanding of authentication, authorization, security, and scalable application architecture
• Familiarity with modern AI application patterns, including LLMs, RAG, embeddings, and prompt engineering
• Experience working with cloud platforms (preferably GCP), CI/CD pipelines, Docker, and production-grade environments
• Ability to operate independently, influence technical direction, and take ownership of complex initiatives
• Degree in Computer Science, Engineering, or equivalent practical experience

Your responsibilities

• Design, develop, and evolve scalable full-stack applications that power Capgemini's global AI platform
• Drive technical excellence across frontend, backend, and AI-integrated services
• Build high-performance user experiences using React and modern frontend technologies
• Develop robust backend services and APIs using JavaScript/TypeScript and Node.js frameworks such as Express.js and NestJS
• Create Python-based components supporting AI capabilities, automation, and data processing
• Architect and implement integrations connecting AI services, enterprise systems, and business applications
• Contribute to the development of advanced AI features, including conversational experiences, RAG workflows, and intelligent response generation
• Partner with architects, AI specialists, and product stakeholders to define and deliver impactful solutions
• Support cloud-native deployments and engineering best practices, ensuring scalability, security, and operational excellence
• Prototype, test, and iterate rapidly within a fast-evolving AI ecosystem

About the project

What we offer

• Practical benefits: yearly financial bonus, private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and access to NAIS benefit platform.
• 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.
• 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.
• 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.

Benefits

• sharing the costs of sports activities
• private medical care
• life insurance
• no dress code
• parking space for employees
• extra social benefits
• redeployment package
• employee referral program
• charity initiatives
• access to courses e.g. Excel, VBA, RPA, Customer Care
• unlimited access to Udemy Business
• free chat/call with a therapist

Recruitment stages

• 1.
  Interview with the recruiter
• 2.
  Competency Tests/Language Verification
• 3.
  Video call with a manager
• 4.
  Final Decision

Capgemini Polska