As400 Developer

Key Responsibilities

• Application Maintenance: Debug, troubleshoot, and maintain existing RPG, RPGLE, and CL code within the DPI billing system.
• System Enhancements: Develop and implement new features for billing processes, including rate changes, tax applications, and usage calculations.
• Data Processing: Manage data ingestion from other source systems and ensure proper sorting, verification, and formatting of customer account information.
• Report Generation: Utilize RPG to generate, analyze, and format complex wholesale customer bills according to BOS (Billing Output Specifications).
• Integration: Ensure seamless data exchange between legacy DPI applications and modern web-based viewing tools like Globys.
• Migration Support: Develop ICD (Interface Control Document) data mapping to support data extraction for customer migration projects leading up to full system migration.
• API Development: Design and build APIs to enable data exchange between legacy DPI systems and modern platforms as part of migration implementation.
• Documentation: Create and maintain technical documentation for all developed programs and changes.

Required Technical Skills

• Languages: Expert-level proficiency in RPG/400, RPG ILE, RPG III, RPG IV, and RPG Free-format programming.
• Platform: Strong experience with IBM i, iSeries/AS400 (OS/400) development environment.
• Tools: Experience with CL (Control Language), CLLE (Control Language Licensed Extension), TURNOVER Change Management, DDS (Data Description Specifications), and DB2/400 database.
• Other: Proficiency in debugging interactive and batch jobs.