AS400 Developer

Job description

Job Summary

We are seeking a skilled AS400 Developer with strong experience in RPG, COBOL, and IBM i (AS400) systems. The ideal candidate will be responsible for developing, maintaining, and enhancing legacy applications, ensuring system reliability, and supporting business-critical operations.

Key Responsibilities

Develop, maintain, and enhance applications on AS400 (IBM i) platform. Analyze business requirements and translate them into technical solutions. Design, code, test, and debug programs using RPG (RPG III / IV / ILE RPG) and COBOL. Work with CLP/CLLE programs, DB2/400 database, and related utilities. Perform code reviews and ensure adherence to development standards. Troubleshoot production issues and provide timely resolutions.

Collaborate with cross-functional teams including Business Analysts and QA teams. Participate in system upgrades, performance tuning, and optimization activities. Maintain documentation for applications, processes, and enhancements.

Required Skills & Qualifications

Bachelor’s degree in Computer Science, Information Technology, or a related field.

Strong hands-on experience in: RPG (RPG III, RPG IV, ILE RPG) COBOL on AS400 IBM i / AS400 System Experience with: CL/CLLE programming DB2/400 (DB2 for i) File handling (Physical & Logical files) Good understanding of batch and online processing. Familiarity with debugging tools and job logs on IBM i. Ability to work on legacy system modernization and enhancements. Strong analytical, problem-solving, and communication skills.

Preferred Skills

Experience with ILE concepts, service programs, and APIs. Knowledge of SQL on DB2/400. Exposure to system integration and web services. Experience in domains such as Banking, Insurance, or Manufacturing (optional). Familiarity with modern tools for AS400 modernization is a plus.

Experience

Required: Typically 8–15 years of relevant experience in AS400 development (customize as needed).