About The Role
We are looking for an experienced AS400 Developer with strong expertise in RPG development on IBM i platforms and a solid understanding of supply chain operations. The role involves developing and maintaining RPG-based applications, enhancing order fulfilment and procurement systems, integrating external applications, and modernizing legacy code while ensuring performance, reliability, and compliance. Responsibilities
• Design, develop, test, and maintain RPG-based applications on IBM i (AS/400, iSeries) platforms.
• Lead enhancements and bug fixes for Supply Chain Systems (SDS), covering order fulfilment, purchase order processing, and transportation operations.
• Develop and integrate web services, JSON-based interfaces, and Web APIs to connect RPG applications with external systems.
• Translate business requirements into scalable, secure, and maintainable technical solutions.
• Analyze, debug, and document existing RPG code to support application modernization initiatives.
• Modernize legacy RPG code, including migration from RPG III to RPG IV, ILE, and Free Format where required.
• Perform root cause analysis, troubleshoot production issues, and optimize application performance.




• Collaborate with Product Owners, QA, and application and infrastructure teams to deliver end-to-end supply chain solutions.
• Maintain technical documentation, participate in code reviews, and prepare release notes.
• Ensure compliance with change management processes and PCI, PII, and SOX policies.
• Provide technical guidance and mentorship to junior 7
- 10 years of experience in RPG development, with strong hands-on expertise in IBM i (AS/400, iSeries).
• Proficiency in RPG, CL, DDS, DB2/400, and service programs.
• Experience in application enhancement, legacy code analysis, debugging, and modernization.
• Strong performance tuning and troubleshooting skills.
• Experience integrating RPG applications with external systems using APIs, web services, and JSON.
• Solid understanding of supply chain processes, including order fulfilment, purchase order processing, and transportation operations.
• Knowledge of secure development practices, change management, and relevant compliance requirements.
• Strong analytical, problem-solving, and collaboration skills. (ref:hirist.tech)

📌 Developer (Itanagar)
🏢 RandomTrees
📍 Itanagar