• Support and further develop core backend systems, including payments, user management, and analytics • Work on internal admin panel, focusing on backend logic for user and database management • Implement and improve backend services and integrations • Manage and execute backend releases • Monitor system performance and resolve production issues • Collaborate with cross-functional teams to ensure stable and scalable system operation

• As a Technical Product Owner (m/f/d) with a focus on Java and Spring Boot, you will work with your team and our clients to gather requirements and drive implementation through to release and further development of a software application. • In a project to build the communication infrastructure as part of the digitalization of public administration, you will help master and actively advance the digital transformation. • Together with colleagues and clients, you will maintain the Product Backlog with primarily technical content, define ongoing sprint goals and plan releases. • You will analyze new requirements and derive technical user stories for our Java- and Spring-Boot-based backend components. • Your communication skills will serve you well in your role as the main point of contact for our clients. • You will keep stakeholders informed about current developments and maintain continuous interaction with clients, Scrum Masters, other Product Owners and developers. • Together with your team, you will be responsible for continuous quality assurance and the delivery of new software components. • You will work in a scaled environment with multiple teams, subprojects and consultants.

• Drive the technical development and innovation of the products • Actively contribute new feature ideas to the team • Ensure code quality and maintain an efficient codebase • Mentor and support junior developers through collaboration and knowledge transfer • Participate in regular code reviews to ensure quality

• Develop and evolve backend applications in Python (Django), ensuring quality, performance, and maintainability; • Work on the development of business-critical systems with high data volumes and direct operational impact; • Build and maintain RESTful APIs, service integrations, and communication with other company systems; • Design and manipulate data in PostgreSQL, ensuring efficiency and consistency; • Develop solutions integrated with data pipelines and distributed processing environments; • Work on messaging-based integrations, contributing to asynchronous and event-driven architectures; • Participate in the full development lifecycle, from analysis to production monitoring; • Investigate and resolve production issues, identifying root causes in a structured manner; • Collaborate with Engineering, Product, and Business teams to build solutions aligned with company objectives; • Support the implementation and improvement of observability practices (logs, metrics, and tracing).