AS/400 Developer

Cebu City, Central Visayas, Philippines

Job Overview

As an AS/400 Developer, you will play a key role in developing and maintaining back-end applications that drive core business operations. You'll collaborate with cross-functional teams to understand business needs, support system functionality, and participate in ongoing modernization projects. A strong understanding of RPG IV, RPGLE, CL, and DDS is essential. Experience with Infor A+ ERP is a strong plus.

This position is open to both senior and junior-level developers who enjoy working in a stable and mission-critical legacy environment, with the opportunity to contribute to modern integrations and system evolution.

 

Responsibilities

  • Design, develop, test, and maintain applications on the IBM i (AS/400) platform.
  • Support and enhance legacy systems using RPG IV (ILE RPG), RPGLE, CL, and DDS.
  • Collaborate with internal teams to gather and analyze business requirements.
  • Troubleshoot and resolve application bugs, performance issues, and system errors.
  • Participate in software upgrades, code migrations, and system maintenance activities.
  • Maintain and develop interfaces with APIs and external systems.
  • Contribute to technical documentation, process workflows, and end-user support materials.

 

Job Qualifications and Skills Set

  • Hands-on experience with IBM i / AS/400 development.
  • Proficiency in RPG IV (ILE RPG), RPGLE, CL programming, and DDS.
  • Strong problem-solving skills and attention to detail.
  • Ability to work both independently and as part of a collaborative team.
  • Experience with application support and system troubleshooting on legacy platforms.

Preferred

  • Familiarity with Infor A+ ERP.
  • Experience with API integrations and legacy-to-modern system interfaces.
  • Previous work in distribution, logistics, or manufacturing industries.
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