Mid-Level AS/400 RPG Developer with Java Experience
Pay: $85,000–$110,000 per year
Location: Near Hicksville, NY
Employment Type: Full-time

Job Summary

Our client is looking for a Mid-Level AS/400 RPG Developer with Java experience to develop, maintain, and enhance core business applications on the IBM iSeries (AS/400) platform, while using Java to support modern API integrations, web services, and cross-platform solutions.
Their enterprise software environment includes a mature legacy business system built on a broad mix of RPG IV, RPG ILE, and RPG III, so we're looking for someone who brings both strong maintenance skills and a practical mindset for modernization.

Key Responsibilities

Core Development: Design, code, test, and deploy business applications on the IBM i (AS/400) platform using RPG IV, RPGLE, free-form RPG, RPG III, and Control Language (CL/CLLE)
Java Integration: Develop and maintain Java applications, utility modules, and connectors that bridge legacy AS/400 systems with modern enterprise frameworks
Database Management: Use IBM RUNQRY effectively; experience with embedded SQL (SQLRPGLE) is a plus
System Modernization: Design and implement RESTful and SOAP web services, and use the Integrated File System (IFS) to support seamless data exchange with external applications
Production Support: Analyze and troubleshoot software issues, and optimize legacy code to improve performance and operational stability
Collaboration: Work closely with business users to translate requirements into detailed technical specifications
Documentation and Standards: Maintain clear technical documentation, participate in code reviews, and follow security and compliance standards

Required Skills and Qualifications

Education: A bachelor's degree in computer science or information technology is preferred; equivalent professional experience may be considered in place of a degree
AS/400 Technical Skills: 3 to 6 years of hands-on development experience with RPGLE, free-form RPG, RPG III, CLLE, CL, and DB2/400
Java Competency: At least 1 year of professional Java development experience, including core Java and object-oriented programming; experience with JSON, SOAP, and XML is a plus
Data Interchange: Practical knowledge of API development, web services, and data transfers using the IFS
Problem Solving: Strong analytical skills, including the ability to reverse-engineer and understand undocumented legacy RPG code
 
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