Senior Java Developer

O projekcie: Company Description Ranked as Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS received the Best in Educational Cooperation award from HIPA in 2019 and was acknowledged as the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team. Job Description We are looking for a Senior Backend Developer to join our team working on a Wholesale Digitization Clearing application. The system supports processing of clearing cases and complaints from competitors and regulatory authorities, as well as handling exceptions in carrier fulfillment and assurance processes. You will be part of a cross-functional Scrum team, contributing to the full software development lifecycle while working closely with business stakeholders and product owners. Technologies: - Identity and Access Management (IAM) Current IAM based on Microsoft Entra ID (OpenID Connect, OAuth 2.0) & CAIMAN - Java 21 - Spring MVC, Spring Boot 3, Spring WebFlux - Hibernate - JPA - Oracle DB - Rest API design and implementation - Gradle - Kubernetes, Docker * Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation. Wymagania: - Experience in developing and supporting enterprise software systems in core Java technologies. - Experienced knowledge of Microservices architecture. - Experienced knowledge of Java Spring frameworks. - Experienced knowledge of SQL data bases. - Git, GitLab CI/CD pipeline implementation. Advantages: - Experience of work with BPMN or Camunda. Codzienne zadania: - Software development of the Digitization Clearing, considering business requirements and implications throughout the entire development process (life cycle). - Close cooperation with requesters (e.g., business teams, product owner) in analysis and requirements implementation, including advising them. - Software solution design and documentation creation. - Support of the team members during the error analysis up to the elimination of the error. - REST API design for Telekom systems. - BPMN processes design and business processes automation. - New interface implementation based on archiving one with TMF guidelines. - Business logic implementation (Java, Spring Boot3, Hibernate). - Active participation in Scrum rituals on team and hub level (PI Planning, sprint presentation, backlog refinement).