Java Developer

• Design, develop, test, and maintain Java-based backend applications.
• Build scalable and secure services using Java / J2EE.
• Design and develop RESTful APIs and integrate with front-end and third-party systems.
• Contribute to application architecture and design discussions, ensuring best practices are followed.
• Write clean, maintainable, and efficient code with appropriate documentation.
• Perform code reviews and provide constructive feedback to improve overall code quality.
• Optimize application performance, reliability, and scalability.
• Collaborate with product owners, architects, QA, and DevOps teams throughout the development lifecycle.
• Participate actively in Agile/Scrum ceremonies and contribute to continuous improvement initiatives.
• Participate in architecture discussions, propose technical improvements, and mentor junior developers.
• Leverage AI-powered tools and workflows to improve development efficiency through and code quality

We are looking for a highly skilled Senior Java Developer (f/m/d) with 7-10 years of hands-on experience in building scalable, reliable, and high-performance enterprise applications. The ideal candidate has strong core Java expertise, solid experience with modern backend frameworks, and the ability to take ownership of complex modules while collaborating effectively with cross-functional teams.

The ideal candidate is passionate about building excellent user experiences and actively embraces AI-powered tools and workflows to accelerate development, improve consistency, and enhance code and UI quality., * 7- 10 years of professional experience in Java application development.

• Strong proficiency in Core Java, including OOP concepts, collections, multithreading, and exception handling.
• Hands-on experience in designing and consuming RESTful APIs.
• Strong understanding of SQL and relational databases (Microsoft SQL Server).
• Experience with ORM frameworks such as Hibernate / JPA.
• Working knowledge of build and dependency management tools (Maven / Ant).
• Understanding of unit testing frameworks (JUnit, Mockito).
• Experience working in Agile/Scrum development environments., and maintainable web applications.

Nice-to-Have (Bonus Skills)

• Familiarity with microservices architecture and distributed systems concepts.
• Familiarity with containerization technologies (Docker, Kubernetes).
• Exposure to messaging systems (RabbitMQ, Kafka).
• Experience with in-memory Cache (Redis).
• Basic knowledge of security concepts (OAuth2, JWT).
• Experience with CI/CD pipelines (Azure DevOps).
• Knowledge of cloud-based solutions (Azure).

Soft Skills

• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to mentor team members and guide UI and code quality standards.
• Ownership mindset: capable of taking features from design through development to deployment independently.

By combining information management expertise and in-depth knowledge of the building, infrastructure, and energy industries, Thinkproject empowers customers to efficiently deliver, operate, regenerate, and dispose of their built assets across their entire lifecycle through a Connected Data Ecosystem.

thinkproject was founded in 2000 in Munich, Germany. Since then, the company has grown into the leading provider for cross-enterprise collaboration and information management in Europe.

Global customers from the construction and engineering industries are served from thinkproject’s home base in Munich and via a range of subsidiaries across Europe.

thinkproject addresses today’s digitization challenges in construction and engineering by providing state-of-the-art software solutions as well as industry expert consulting and services.