Senior Developer for Natural for z/OS and related Products

Software AG

Software AG

Darmstadt, Germany

Posted on Jun 6, 2026

For our location in Darmstadt, Germany, we are looking for a Senior Software Developer* for Natural for z/OS.

If you are passionate about developing systems software, are familiar with the depths of the z/OS operating system and have several years of experience with the IBM Assembler and Java programming languages, this role would be the opportunity for you.

Essential Functions

  • Usage of advanced skills in IBM Assembler programming (on z/OS) and good skills in Java (z/OS) programming to develop, test, and maintain critical software applications.
  • Investigate and resolve software defects, ensuring high-quality deliverables and a robust software environment.
  • Analyze and optimize existing product code to improve performance, efficiency and reliability.
  • Create and maintain detailed technical documentation for all software development activities, including design specifications, code documentation, and testing procedures.
  • Working in a software development process using lean and agile principles.

Minimum Requirements

  • Bachelor's or Master's degree in Computer Science, Software Engineering, or related field.
  • Proven experience as a Senior Software Developer with expertise in z/OS Assembler programming.
  • In-depth knowledge of mainframe architecture, software development life cycle, and system integration.
  • Advance experience with Db2 – both programing and administration.
  • Good knowledge of Java on z/OS, including experience with JDBC, JNI and JZOS APIs.
  • Good knowledge of JCL.
  • Adabas/Natural experience would complete your profile.
  • Passion for elegant, testable and maintainable code and openness to new technologies and methods.
  • Very good written and spoken German and English skills.
  • Strong problem-solving skills and the ability to troubleshoot complex software issues.

Your contact:

Mubina Bhaisaheb- Talent Acquisition Partner

* f/m/d - Diversity matters!