Lead AS400 / IBM i Developer

Position : Lead AS400 / IBM i Developer

location : Local Newark, NJ

Job description:-

Required Skills - AS400 / IBM, WebSphere EDI, IBM WebSphere

We are seeking an experienced AS400 / IBM i Developer with WebSphere EDI expertise to take full operational ownership of our homegrown port and logistics management platform. Over the years, our proprietary IBM i core has evolved alongside IBM WebSphere to manage critical, real-time port operations including container tracking, terminal yard management, dispatching, and automated B2B data exchange. In this role, you will perform code forensics on our custom legacy codebase, map out existing WebSphere middleware integration channels, and transition into our primary Subject Matter Expert (SME). Once onboarded, you will lead future AS400 development, modernize EDI data pipelines, optimize system performance, and provide tier-3 support for our core port/logistics ecosystem.

Job Duties - Key Responsibilities

-System Discovery & Code Forensics: Reverse-engineer homegrown RPG/CL programs and DB2 tables to map business rules, data structures, and custom workflows. -WebSphere & EDI Integration Management: Maintain, configure, and expand IBM WebSphere middleware (WebSphere MQ / Integration Bus / B2B) to manage automated EDI communications with shipping lines, customs agencies, rail providers, and trucking fleets. -EDI Data Mapping & Translation: Develop and update maps for core maritime/logistics EDI transaction sets including 210 (Invoice), 214 (Transportation Status), 301 (Booking Confirmation), 310 (Ocean Manifest), 322 (Terminal Operations), and 850/856 (PO / ASN). -Core Maintenance & Support: Serve as the primary developer responsible for system stability, troubleshooting failed EDI transmissions/translations, resolving spool/batch job issues, and applying emergency bug fixes. -System Modernization & APIs: Design and implement REST/SOAP APIs, WebSphere messaging channels, and database connectors to seamlessly link the AS400 core with modern Web/SaaS port operations tools. -Documentation & Knowledge Transfer: Document undocumented business logic, system architecture, database schemas, and WebSphere routing paths to eliminate single-point-of-failure risks