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Lead AS400 / IBM i Developer

Alchemy Newark, NY

Newark, NY

Today

$50 - $55/hr Full time Backend Developer APIs Data Analysis

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Job Description

Alchemy is seeking a hands-on Lead AS400 / IBM i Developer to take ownership of a proprietary port and logistics management platform in Newark, NY. This onsite role combines legacy application work with modernization, integration management, and Tier 3 production support for critical logistics workflows.

You will be responsible for understanding the existing RPG/CL and DB2 foundations, keeping IBM middleware running, and improving how the IBM i platform exchanges data through EDI and modern service interfaces.

What you’ll do

Analyze and reverse-engineer existing RPG/CL programs and DB2 tables to document business rules, data structures, and operational workflows.
Maintain and enhance IBM WebSphere middleware, including MQ, Integration Bus, and B2B integrations.
Develop and maintain EDI mappings and translations supporting shipping, transportation, terminal operations, and logistics transactions.
Troubleshoot failed EDI transmissions, translation issues, spool files, and batch jobs.
Provide Tier 3 production support, including 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 help guide future AS400 development and modernization initiatives.
Document legacy business logic, system architecture, database schemas, and WebSphere routing paths.
Act as the primary technical SME and support knowledge transfer.

Experience and requirements

5+ years of AS400 / IBM i development experience.
Strong, hands-on experience with IBM WebSphere.
Experience with WebSphere EDI and B2B integrations.
Proficiency in RPG/CL programming and DB2 database concepts.
Background in EDI mapping, translation, troubleshooting, and production support.
Experience with middleware integrations and enterprise system connectivity.

Technology areas

AS400, IBM i, RPG, CL, DB2
IBM WebSphere, MQ, Integration Bus, B2B integrations
EDI, REST, SOAP, messaging channels, database connectors
WebSphere EDI, WebSphere routing paths

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 and location

$50.00 to $55.00 per hour
Onsite in Newark, NY

Application question

Have you worked with IBM WebSphere middleware and WebSphere EDI/B2B integrations?

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