Java Development (EJB/JEE) -Project 9

NAXCON GmbH, located in the heart of Freiburg, is at the forefront of the German IT and engineering industry.

Our experts have extensive knowledge in software and hardware development, state-of-the-art electronics, and future-oriented technologies such as artificial intelligence and virtual reality.

We are not only dedicated to project work for our customers, but also intensively pursue in-house innovation projects as well as research & development. Renowned companies from a wide range of German industries place their trust in us - demonstrating the outstanding expertise and commitment of our engineers.

Position: Java Development (EJB/JEE)

Location: Düsseldorf or Paderborn, Germany

Type: Full-time/%100 Remote

Minimum Requirements:

The candidate must meet the following mandatory criteria:

• Education: University degree in Computer Science or a related technical field. 
• Java Enterprise Edition (JEE/Jakarta EE 8) Development: Foundational knowledge in server-side JEE application programming with practical project experience in EJB 3.x, JAX-WS, and JPA. 
• Application Server: Foundational knowledge with JBoss EAP 8.0 or higher (Wildfly 28+ is considered equivalent). 
• Database Technologies: Foundational knowledge and practical experience with Oracle Database. 
• SQL/JPQL: At least 3 years of experience with medium-complexity SQL and JPQL statements. 
• Web Services: Foundational knowledge in developing SOAP-based and REST-based web services using Java. 
• Data Structures: Practical experience with XML data structures.
• Object-Oriented Programming: Knowledge of object-oriented modeling and programming methods.
• Development Tools - IDE: Minimum 4 years of practical experience with Eclipse IDE. 
• Build Tools: Practical experience with Gradle. 
• Version Control: Practical experience with Git. 
• Teamwork: Demonstrated experience in team environments with a minimum of 5 team members. 
• Language Skills: German C1 level or higher (CEFR) in both written and spoken communication.

Full Score Criteria:

• Proven experience in large-scale projects (>1,000 Person-Days).
• Expert-level knowledge in Transaction Management (JTA/JTS) and advanced mastery of core JEE Design Patterns (Session Facade, Service Locator, DAO, Command, Event-Driven Architecture) demonstrated in production EJB/Jakarta EE environments. 
• Documented experience in successfully migrating or integrating legacy EJB applications into modern microservices architectures.

What we offer:

Join a cosmopolitan and internationally mixed team: We welcome individuals from all backgrounds and cultures to contribute their unique perspectives and talents to our team.
Polish your German language skills: If you are looking to improve your German language skills, we offer a supportive environment where you can practice and develop your language abilities: whether you are a beginner or an advanced speaker.
Benefit from a fixed contact person from the company: We understand the importance of having a reliable point of contact within the company. That's why we assign a dedicated contact person who will provide guidance and support throughout your employment with us.
Professional growth and development: With us, our engineers can immerse themselves in new industries or projects after just 1-2 years and actively transfer knowledge.
Enjoy regular team events with the company: We believe in the power of team building and fostering positive relationships within the workplace. That's why we organize regular team events to promote collaboration and strengthen our team bonds.
Competitive compensation package: At NAXCON, we believe that our engineers are our greatest asset. That's why we offer a comprehensive and competitive compensation package that includes a salary commensurate with experience and expertise.