Java Developer for In-house ERP System | Softwareentwickler (m/w/d)

GESA Gesellschaft zur Entwicklung und Sanierung von Altstandorten mbH

Berlin, Berlin, Deutschland
Published Jan 5, 2026
Full-time
No information

Job Summary

This role involves joining GESA, a subsidiary of the Federal Agency for Real Estate Tasks (BImA) specializing in the remediation and redevelopment of former industrial and military sites, to enhance their internal IT capabilities. Based in Berlin or Leipzig, the successful candidate will be responsible for the continuous development and maintenance of the company's proprietary in-house ERP system. Key daily tasks include developing and implementing new modules and features using Java Desktop applications (JavaFX and Swing), integrating interfaces with document management and accounting systems, and optimizing MySQL databases for robust reporting functions (Excel, Word). Candidates must possess a degree or vocational training in IT, strong proficiency in Java 21, JPA, JDBC, and experience with version control systems like Git, making this a challenging and autonomous role in a stable, public-sector-adjacent environment.

Required Skills

Education

Completed vocational training in IT or a comparable IT degree

Experience

  • Professional experience in software development (ideally several years)
  • Practical experience using version control systems (e.g., Git)
  • Experience with JPA and JDBC
  • Experience optimizing databases

Languages

German (Fluent)

Additional

  • Work location is Berlin or Leipzig.