What is an AS400 RPG developer?

An AS400 RPG Developer is a software professional who specializes in developing, maintaining, and enhancing applications using the RPG (Report Program Generator) programming language on IBM's AS400 (now IBM i) platform. These developers work primarily with legacy business systems, often in industries like banking, manufacturing, and logistics. Their responsibilities include writing and debugging code, integrating AS400 systems with modern technologies, and ensuring the reliability and performance of mission-critical applications. Strong knowledge of the IBM i operating system, RPG IV/ILE, and database management is essential for this role.