AS400 Developer (NCS/Job/ 3840)

We are looking for an experienced AS400 (IBM i) Developer to design, develop, and maintain business-critical applications on the IBM iSeries platform. The ideal candidate has strong RPG programming skills, a solid understanding of DB2 for i, and experience supporting and modernizing legacy enterprise systems.

Key Responsibilities

• Design, develop, test, and maintain applications on the IBM i (AS400/iSeries) platform using RPG (RPG IV / RPGLE / Free-format RPG), CL, and SQL.
• Analyze business requirements and translate them into technical specifications and robust solutions.
• Develop and optimize DB2 for i database objects — physical/logical files, tables, views, and stored procedures.
• Debug, troubleshoot, and resolve production issues, ensuring minimal downtime for business-critical systems.
• Perform code reviews, unit testing, and support system integration and user acceptance testing (UAT).
• Maintain and enhance existing legacy applications while supporting modernization initiatives (e.g., migration to free-format RPG, web enablement, API integration).
• Collaborate with cross-functional teams including business analysts, QA, and infrastructure teams.
• Create and maintain technical documentation for developed solutions.
• Adhere to coding standards, change management processes, and SDLC best practices.

Required Skills & Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 3–5 years of hands-on experience in AS400/IBM i application development.
• Strong proficiency in RPG IV, RPGLE, and Free-format RPG.
• Solid experience with CL (Control Language) programming.
• Strong knowledge of DB2 for i and embedded SQL / SQLRPGLE.
• Experience with development tools such as RDi (Rational Developer for i), PDM, SEU, and DDS.
• Good understanding of file structures (physical and logical files), data areas, and data queues.
• Experience in debugging, performance tuning, and production support.
• Familiarity with version control and change management tools.
• Strong analytical, problem-solving, and communication skills.

Preferred / Good-to-Have Skills

• Warehouse Management Systems, Food Sales/Service Apps
• Experience with modernization tools (e.g., web services / REST APIs on IBM i, Profound UI, or similar).
• Knowledge of integration technologies (MQ, EDI, or middleware).
• Exposure to Agile/Scrum methodologies.
• IBM i certifications.

Soft Skills

• Ability to work independently and within a team in a fast-paced environment.
• Strong attention to detail and commitment to quality.
• Effective collaboration and stakeholder communication.