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Software Developer / Engineer
Newark, NY

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Alchemy

Lead AS400 / IBM i Developer

Pay: $109,200/yr
Posted: 1 week ago
Location: Newark, NY (Onsite)
Last Updated: 1 week ago
Hours: Full-Time
Expires: 11/17/2026
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Job Description

We are seeking an experienced
AS400 / IBM
i Developer with strong IBM WebSphere and EDI expertise to take ownership of a proprietary port and logistics management platform. The role involves legacy code analysis, EDI integration management, system modernization, performance optimization, and production support for mission-critical port operations. Key Responsibilities Analyze and reverse-engineer existing RPG/CL programs and DB2 tables to understand business rules, data structures, and workflows. Maintain and enhance IBM WebSphere middleware , including MQ, Integration Bus, and B2B integrations. Develop and maintain EDI mappings and translations for shipping, transportation, terminal operations, and logistics transactions. Troubleshoot failed EDI transmissions, translation issues, spool files, and batch jobs. Provide Tier 3 production support and implement emergency fixes to maintain system stability. Develop
REST/SOAP
APIs, messaging channels, and database connectors to integrate IBM i systems with modern applications. Optimize system performance and lead future AS400 development and modernization initiatives. Document legacy business logic, system architecture, database schemas, and WebSphere routing paths. Serve as the primary technical SME and support knowledge transfer. Required Skills Strong experience with
AS400 / IBM
i development . Hands-on expertise in IBM WebSphere . Experience with WebSphere EDI and B2B integrations . RPG/CL programming and DB2 database knowledge. EDI mapping, translation, troubleshooting, and production support. Experience with middleware integrations and enterprise system connectivity. Preferred Technical Experience WebSphere
MQ / IBM
Integration Bus.
EDI transaction sets:
210, 214, 301, 310, 322, 850, and 856 .
REST/SOAP
APIs and database connectors. Port operations, shipping, transportation, or logistics systems.
Pay:
$50.00 - $55.00 per hour Application Question(s): Have you worked with IBM WebSphere middleware and WebSphere EDI/B2B integrations?
Experience:
AS400/IBM
i development: 5 years (Required)
Work Location:
In person