Retarus GmbH

Role Description Become Student (or similar) in IT Operations Support (m/f/d) - Shift Work at Retarus. - Act as the first point of contact for national and international customers outside regular office hours (weekends, day & night shifts, and public holidays). - Classify and prioritize incoming customer inquiries. - Documentation of communication with customers. - Escalate unresolved issues internally to the responsible on-call engineers. - Monitor incoming alerts using various tools and perform actions based on predefined instructions and procedures. Qualifications - Strong interest in information technology and first experience in managing or working with computer systems. - Enjoy helping customers and providing the best possible support. - Reliability, solution-orientation, and commitment. - Good written and spoken English skills. - German language skills are an advantage but not a requirement. Requirements - Prepared to work outside normal office hours, especially at night and on weekends. Benefits - Access to a broad suite of state-of-the-art cloud and technology products to deepen your technical skills. - Structured onboarding and continuous support from experienced mentors. - Modern work equipment enables you to work fully remotely after onboarding in the office is completed. - Company events. - Opportunity for future full-time employment during regular working hours, subject to available positions and meeting requirements. - Collaborative, diverse company culture and superior team spirit. - Flat hierarchies and great feedback culture. - Development opportunities & career perspective. - International business & cross-site collaboration. - Company-paid health insurance, public transportation, lunch vouchers, and further benefits.

Role Description We are looking for an experienced Senior Software Engineer who specializes in company-wide cross-cutting topics and acts as a technical expert for cross-thematic software components. In this role, you will develop core services and frameworks used across all development teams. You will collaborate closely with cross-functional teams to continuously enhance our platform and deliver high-performance, scalable, and efficient solutions. Your deep expertise in various software architectures will contribute to driving technical excellence throughout the organization. This role can be carried out either in a hybrid model at our Munich Headquarter or fully remotely, assuming residency in Leipzig. - Take ownership of the entire software development lifecycle, from requirements analysis and architecture to design, implementation, and deployment. - Analyze, evolve, and transform existing design patterns. - Design of composite high-level APIs to standardize these services for customers. - Selection and introduction of suitable patterns for complex business processes. - Collaborate closely with Quality and Operations Engineers to ensure the highest software standards. - Perform root cause analysis and performance tuning to identify and resolve bottlenecks. Qualifications - At least 5 years of professional experience in Java development (Java 11+). - Sound knowledge of Spring Framework (Boot, Security, Cloud). - Expertise in microservices architectures and event-driven design. - Extensive experience in CI/CD pipelines, Docker and Kubernetes, and Linux environments. - Knowledge of database design (SQL/NoSQL: PostgreSQL, Redis). - Experience in developing and maintaining centralized authorization services (OAuth 2.0, OpenID Connect, JWT). - Proficiency with message brokers (Apache Kafka, ActiveMQ Artemis). - Skilled in API design and management (OpenAPI, Swagger, Postman). - Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK Stack). - Experience with build tools (Maven, Gradle) and version control (Git). - Scripting skills (Bash, Python) for automation tasks. - Very good written and spoken German and English skills. Benefits - Mobile working and flexible working time. - Collaborative, diverse company culture and superior team spirit. - Flat hierarchies and great feedback culture. - Development opportunities & career perspective. - International business & cross-site collaboration. - Modern, dog-friendly offices with nice amenities. - Company-paid health insurance, public transportation, lunch vouchers, and further benefits. Company Description Retarus is a worldwide provider of cloud-based messaging solutions at enterprise scale. We serve over 40% of the companies listed on the S&P Global 100, e.g., Adidas, Bayer, SAP, BNP Paribas, Goldman Sachs, T-Systems, Swarovski, and UPS, as well as governmental agencies and major players in markets across the world. Privately owned and founder-managed for over thirty years, Retarus is customer-oriented, stable, a fair employer, and a strategic business partner with a long-term vision. With some 500 employees in 19 offices on four continents, Retarus operates locally and thinks globally: our teams are organized across borders and are highly integrated. This makes Retarus a multicultural, multilingual, and engaging workplace. We are committed to creating a diverse and dynamic environment for our employees, with generous compensation, time off, and a global, collaborative workplace.