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Alchemy

Lead AS400 / IBM i Developer

Alchemy
Newark, NY $50 - $55/hr Full time Posted 7d ago
Backend Developer APIs Data Analysis Data Integration Database Databases Db2 For I EDI Engineering IBM i Ibm Integration Bus Ibm Mq IBM WebSphere Information Technology (IT) Integration Message Queue Software Development Software Engineering SQL
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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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