AS​/400 COBOL Developer

Primary Responsibilities

• Develop, maintain, and support AS/400 COBOL and RPG/RPGLE applications.
• Analyze, troubleshoot, and resolve complex production issues involving batch and interactive applications.
• Design, develop, and optimize DB2 database objects, queries, and data models.
• Monitor and improve SQL performance and application efficiency on the IBM i platform.
• Collaborate with business analysts, developers, and modernization teams to enhance and integrate legacy applications with distributed systems.
• Participate in application testing, code reviews, deployments, and production support activities.
• Support CI/CD processes and development best practices within the IBM i environment.
• Create and maintain technical documentation for applications, processes, and system enhancements.
• Participate in Agile ceremonies, including sprint planning, stand-ups, and retrospectives.

• Strong experience with AS/400 (IBM iSeries) application development.
• Proficiency in COBOL, RPG/RPGLE, CL, DB2, and SQL.
• Experience developing and supporting batch and online transaction processing applications.
• Strong database design, query optimization, and performance tuning skills.
• Experience troubleshooting complex application and system issues.
• Understanding of software development lifecycle (SDLC) and Agile methodologies (Scrum/Kanban).
• Strong analytical, problem-solving, and communication skills.

• Experience integrating AS/400 applications with modern enterprise systems and APIs.
• Knowledge of CI/CD tools and deployment processes in IBM i environments.
• Experience working in modernization or legacy transformation initiatives.
• Proficiency with Microsoft Office applications and business productivity tools.