Senior Full Stack Developer (Java / Angular / Kafka)

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced senior Full Stack Developer (Java / Angular / Kafka) to join a hybrid development team working on modern, scalable, and secure enterprise applications based on microservices and event-driven architecture Project information: • Type of project: IT services • Office location: Warsaw, Poland • Work mode: Hybrid (approx. 50% on-site per month) • Budget: 140-170 PLN net/ h- b2b • Project length: Long-term • Only candidates with citizenship in the European Union and residence in Poland • Start date: ASAP (depending on candidate’s availability) Project scope: • Design and develop full-stack features (frontend + backend) • Design, develop, and maintain full-stack applications using Java and Angular • Build and evolve microservices using Spring Boot (Java 17–21) • Develop event-driven systems using Kafka • Contribute to SPA frontend development with Angular and TypeScript • Integrate systems and ensure smooth data flow across services • Participate in architecture design and technical decision-making • Implement secure authentication and identity management (OIDC, OAuth2) • Write and maintain automated tests and CI/CD pipelines • Optimize performance, scalability, and maintainability of existing systems • Collaborate with international stakeholders in an Agile environment Competence demands: • Strong experience as a Full Stack Developer (mandatory) • Hands-on expertise in Java 17–21 and Spring Boot microservices • Strong experience with Angular and TypeScript (SPA development) • Practical experience with Kafka and event-driven architectures • Good knowledge of SQL (Oracle) and Redis • Understanding of secure development practices (OAuth2, OIDC, OWASP) • Experience with CI/CD tools (GitLab CI or Jenkins) • Familiarity with Docker and Kubernetes • Strong problem-solving and analytical skills • Excellent English communication skills Nice to have: • Node.js, Python, Maven, AI-assisted development tools We offer: • Hybrid working model • Full-time job agreement based on b2b • Private medical care with dental care (covering 70% of costs) • Multisport card (also for an accompanying person) • Life insurance