Senior RPG Engineering

About the Role We are looking for a Senior RPG Engineer/Analyst to join our Tech team and take ownership of our mission-critical JDA400 application running on IBM i (AS/400). You will design, develop, and maintain complex RPG-based solutions on JDA400 that power our retail operations, ensuring high performance, reliability, and scalability. This role is ideal for a seasoned developer who thrives in a hybrid environment, bridging legacy systems with modern integration needs (APIs, e-commerce, reporting platforms). Key Responsibilities Design, develop, and maintain robust RPG (RPG IV, RPG ILE, RPG Free-Form) applications on IBM i, with a focus on the JDA400 application. Own the day-to-day support, enhancement, and customization of JDA400 modules. Write and optimize embedded SQL, CL programs, and batch jobs to support business workflows. Define technical solutions from requirements gathering through design, coding, testing, deployment, and production support. Integrate IBM i systems with modern platforms (e-commerce, POS, WMS, reporting, and analytics tools) via APIs, web services, JSON/XML. Troubleshoot and resolve complex production issues, ensuring system stability and data integrity. Collaborate with cross-functional teams (Merchandising, Supply Chain, Finance, IT) to translate business needs into technical solutions. Maintain comprehensive documentation of system architecture, processes, and change control records. Required Qualifications 8+ years of hands-on experience as an RPG developer on IBM i (AS/400). Expert-level proficiency in RPG IV, RPG ILE, and RPG Free-Form; strong knowledge of CL, SQL, and batch processing. Solid understanding of DB2 for i database design, stored procedures, and performance tuning. Experience with modern tools: RDi (Rational Developer for i), Git/SVN, APIs, JSON, XML. Strong analytical and problem-solving skills, with a track record of delivering complex projects on time. Excellent communication skills, able to interact with both technical teams and business stakeholders. Nice-to-Have Qualifications Experience in the fashion or retail industry, with knowledge of merchandising, inventory, pricing, or POS workflows. Hands-on experience with JDA400 / JDA MMS (Merchandise Management System) or similar retail ERP platforms. Familiarity with e-commerce integrations, omnichannel retail systems, or modernization of legacy ERP environments. Exposure to Agile/Scrum methodologies and CI/CD pipelines on IBM i.