Senior Java Developer:

Accountabilities: As a Senior Java Developer, you will contribute to the development and long-term evolution of core banking applications. Your responsibilities will include: Developing and optimizing core banking system functionalities, particularly across accounts, lending, and customer-related services. Designing and implementing backend features using Java EE/JEE, Spring Boot, microservices, and REST web services. Maintaining, extending, and continuously improving existing software components. Ensuring high software quality through automated testing, code reviews, and comprehensive technical documentation. Investigating technical issues, identifying root causes, and implementing sustainable solutions. Contributing to the analysis and design of new business and technical requirements. Collaborating with cross-functional development teams in an agile environment based on SAFe principles. Requirements The ideal candidate combines strong Java backend development expertise with analytical thinking, a structured approach, and a commitment to delivering reliable software. The following qualifications and skills are expected: A degree in Computer Science from a university, university of applied sciences, or equivalent professional training. Several years of professional experience in Java backend development, ideally within banking or financial services. Strong knowledge of Java EE/JEE, Spring Boot, microservices architecture, and REST APIs. Hands-on experience with container technologies such as Docker and Kubernetes; OpenShift experience is an advantage. Excellent knowledge of relational databases and SQL, preferably Oracle and PL/SQL. Practical experience developing and executing automated software tests. Familiarity with agile development methodologies, ideally Scrum or SAFe. Strong analytical, structured, and solution-oriented working skills, with a high level of attention to quality. Initiative, adaptability, a proactive mindset, and the ability to collaborate effectively within a team. A clean professional background, with no debt enforcement proceedings or criminal record entries. Very good command of both German and English. Benefits Worldwide remote work arrangement. Freelance / independent contractor engagement. Opportunity to contribute to the development of a business-critical core banking platform. Exposure to modern Java technologies, microservices, and container-based infrastructure. Collaboration with multidisciplinary teams in an agile, SAFe-oriented environment. Opportunity to work on technically challenging applications within the financial services sector. Start date: As soon as possible.