Senior Backend Engineer (m|w|d) - Java/Kotlin, AWS, Kafka

Team CRM Tech is responsible for delivering the technical infrastructure that enables idealo's CRM campaigns. They build and maintain systems that handle identity resolution, subscriptions, data flows, and message delivery, while ensuring GDPR compliance and supporting personalized user experiences. About your new role  - Design, implement, and maintain reliable and scalable software systems and data flows for CRM and user engagement use cases. - Collaborate with Software Engineers, Data Engineers, Product Managers, and other stakeholders to deliver robust solutions that integrate across domains and teams. - Contribute to the team’s architecture and technical decision-making, ensuring high code quality and operational excellence. - Take ownership of services throughout their lifecycle, from design and implementation to monitoring and improvement. - Ensure best practices for testing, CI/CD, and cloud infrastructure are applied and continuously improved. - Support and mentor less experienced engineers by sharing knowledge, conducting code reviews, and fostering a collaborative team culture. - Explore and adopt new tools and technologies to improve development efficiency and system performance.