Senior IBM i / AS400 Lead — WebSphere EDI Expert

ZipStaff Inc.; Newark (NJ); On-site; USD 110,000 - 170,000; Full time

Job summary

ZipStaff is seeking a Lead IBM i / AS400 Developer to take ownership of a port and logistics platform at a major port organization in Newark, NJ. The role emphasizes reverse-engineering, WebSphere integration, EDI modernization, and ongoing IBM i development.

You will lead architecture, design REST/SOAP APIs, map EDI sets (210,214,301,310,322,850/856), ensure stability, and mentor after onboarding. On-site work and US work authorization are required.

Qualifications

• 5+ years of hands-on IBM i (AS400 / iSeries) development.
• Deep proficiency in RPG IV, RPGLE, free-format RPG, and legacy RPGs.
• Hands-on IBM WebSphere integration with IBM i (MQ, IIB/APP Connect, B2B Integrator).
• Strong CL / CLLE, DB2 for i, SQL/400, and embedded SQL.
• Working knowledge of ANSI X12 and EDIFACT, translation mapping, and transport (AS2, FTP/SFTP, MQ).
• Ability to reverse-engineer complex, undocumented homegrown applications.
• On-site work in Newark, NJ; legal work authorization in the US.

Responsibilities

• Reverse-engineer RPG/CL programs and DB2 tables to map business rules and data structures.
• Maintain, configure, and expand IBM WebSphere middleware for automated EDI with shipping lines, customs, rail, and trucking.
• Develop and update maps for maritime EDI sets (210, 214, 301, 310, 322, 850/856).
• Own system stability: failed EDI transmissions, spool/batch jobs, and emergency fixes.
• Design REST/SOAP APIs, WebSphere messaging channels, and DB2 connectors to modern tools.
• Document undocumented logic, architecture, DB2 schemas, and WebSphere routing.
• Lead future IBM i development and act as primary technical owner after onboarding.

Skills

IBM i development

RPG IV/RPGLE

WebSphere integration

DB2 for i/SQL

EDI/X12 knowledge

Tools

WebSphere MQ

WebSphere Integration Bus

IBM i tooling

Job description

ZipStaff is seeking a Lead IBM i / AS400 Developer to take ownership of a port and logistics platform at a major port organization in Newark, NJ. The role emphasizes reverse-engineering, WebSphere integration, EDI modernization, and ongoing IBM i development.

You will lead architecture, design REST/SOAP APIs, map EDI sets (210,214,301,310,322,850/856), ensure stability, and mentor after onboarding. On-site work and US work authorization are required.