• Lead technical design and architecture for features and services • Participate in all phases of the software development lifecycle • Collaborate with Support to troubleshoot issues and deliver timely fixes • Work with Operations to drive performance improvements • Identify technical gaps and drive effective solutions • Maintain high quality by promoting clear documentation, strong code quality, and architectural enhancements. • Ensure system reliability, including error handling, observability, and scalability.

• Modernise Legacy Services Using AI • Use AI to analyse codebases, understand dependencies, and extract clean APIs • Work on high-impact legacy services that block divisional delivery speed • Implement strangler fig patterns and other proven migration approaches • Deliver modernised services with comprehensive tests, documentation, and multi-instance deployment capabilities • Complete service modernisations in fast cycles with monthly milestones • Use AI to accelerate every phase: analysis, refactoring, testing, documentation • Hand off modernised services to Platform Services or divisions with clear ownership • Demonstrate measurable improvements: faster APIs, better performance, higher reliability • Build AI-Powered Development Infrastructure • Implement Model Context Protocol (MCP) servers for service discovery, dependency mapping, and architecture compliance • Create AI-assisted CI/CD pipelines with automated code review, security scanning, and test generation • Build automation using Claude Code, GitHub Copilot, and LLM APIs • Develop reusable AI tooling that other engineers can adopt • Use AI for all coding tasks: refactoring, test creation, documentation, debugging • Achieve measurable and significant productivity improvements through AI integration • Document patterns and share learnings through your work • Train teams during service handoffs on AI-enabled workflows you've built • Demonstrate when to use AI vs when human judgement is critical

Title: Software Engineer (Java, Angular, German) Locations: Wrocław, Poznań, Gdańsk Apply for this job 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 In this role, you will develop and maintain Java and Angular based applications that directly support critical business processes, particularly in public services. You will design new features, modernize existing systems, and integrate components deployed in Kubernetes‑based environments, ensuring they meet performance, reliability, and regulatory requirements. You will work closely with architects, product teams, and domain experts to translate business needs into effective technical solutions. You can expect real influence on how systems evolve, deep exposure to client operations, and the option to use on‑prem AI coding tools where they support the team in working more efficiently. We are hiring in Wrocław, Poznań and Gdańsk! Your tasks • Designing and developing modern applications for external clients using Java and Angular. • Creating solutions based on established architectural and engineering patterns (DevOps, DDD, BDD, TDD, IaC). • Working in international teams using agile methodologies (Scrum, SAFe, Kanban). • Ensuring high-quality software through clean code principles and professional development practices. • Participating in architecture discussions and code reviews. • Cooperating closely with experienced experts to deepen technical and business knowledge. • Contributing to continuous improvement of engineering standards and best practices. Your profile • Minimum 3 years of experience as a Java/JEE developer. • Minimum 3 years of experience as an Angular developer. • Knowledge of JavaScript, TypeScript, RxJS and HTML5. • Understanding of multithreaded programming concepts. • Experience with build tools such as Gradle or Maven. • Knowledge of Spring and Hibernate frameworks. • Openness to working in a mature Scrum team and experimenting with new technologies in a DevOps mindset. • Communicative English (min. B2) and German (min. B1). What You'll love about working here Practical benefits: private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and 40+ options on our NAIS benefit platform, including Netflix, Spotify or Sports card. 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. 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. 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. #LI-WB1 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 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.

• Design, scale, and maintain real-time advertising bidding systems (DSPs, RTB Exchanges, and SSP platforms). • Optimize backend services using Java (Spring Boot / WebFlux) and Go (Golang) to meet strict low-latency SLA/SLO targets. • Build and manage data-intensive architectures utilizing high-load storage solutions (Aerospike, ClickHouse) and event-driven messaging (Apache Kafka). • Participate in R&D initiatives involving GenAI, integrating Agentic AI frameworks (LangChain, LangGraph, N8N) for workflow automation and predictive analytics. • Take full ownership of features end-to-end, contributing to the frontend layer (React / TypeScript) for internal tools and dashboards when required.