Full-Stack Java Developer

Project Details

• Industry: Financial Services
• Contract: B2B
• Initial contract: 6 months
• Extension: Possible
• Working model: 100% hybrid
• Experience: 3+ years in Java development
• Languages: German – very advanced/fluent; English – intermediate
• Working environment: Agile, collaborative and technically diverse team

Your Responsibilities As a Full-Stack Java Developer, you will contribute to the development and continuous improvement of business-critical applications. Your responsibilities will include:

• Designing, developing and implementing full-stack applications using Java.
• Developing and maintaining robust back-end services and APIs.
• Working on front-end components using technologies such as HTML, CSS and JavaScript.
• Participating in the full software development lifecycle, from requirements analysis and technical design through development, testing and deployment.
• Collaborating with business analysts, architects, testers and other technical specialists to define and refine project requirements.
• Participating in code reviews and following established coding standards and best practices.
• Debugging, troubleshooting and resolving application issues to ensure reliable and high-quality solutions.
• Contributing to technical architecture and solution design.
• Identifying opportunities to improve application performance, maintainability and scalability.
• Preparing and maintaining technical and application documentation.
• Actively participating in an Agile development team, including planning sessions, stand-ups, reviews and retrospectives.

Key Requirements

• 3+ years of professional software development experience, with strong hands-on experience in Java.
• Solid understanding of full-stack development and the ability to work across both back-end and front-end layers.
• Good knowledge of HTML, CSS and JavaScript.
• Experience with modern Java back-end frameworks.
• Good understanding of REST APIs and application integration.
• Practical experience with SQL and relational databases.
• Understanding of software development best practices, clean code and version control.
• Experience working in Agile/Scrum or similar development environments.
• Ability to collaborate effectively with both technical and non-technical stakeholders.
• Good analytical and problem-solving skills.

Nice to Have

• Experience with cloud platforms, particularly AWS or Azure.
• Familiarity with DevOps practices and CI/CD pipelines.
• Experience with modern front-end frameworks such as Angular, React or Vue.js.
• Knowledge of containerization technologies such as Docker or Kubernetes.
• Experience working in the financial services sector or on business-critical applications.
• Experience with automated testing and test-driven development.

Languages

• German – very advanced / fluent level is required.
• English – intermediate level is required.

Both languages will be used in the professional environment, so candidates should feel comfortable communicating in German at a very high level and in English at an intermediate level. The successful candidates will join a collaborative development environment where they will have the opportunity to work on business-critical applications within the financial services sector , contribute to technical solutions and work closely with experienced specialists across different areas of the project.