Mid-Level AS400 RPG Developer with Java Experience

W3Global (Syosset NY, USA) Follow 11 hours ago

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Position Overview

We are seeking a skilled Mid-Level AS400 RPG Developer with Java experience to develop, maintain, and enhance core business applications on the IBM iSeries (AS/400) platform while leveraging Java for modern API integrations, web services, and cross-platform solutions.

The environment includes a mature legacy business system consisting of RPG IV, RPG ILE, and RPG III applications, requiring both strong maintenance capabilities and a practical approach to modernization.

Key Responsibilities

Core Development: Design, develop, 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 integrate legacy AS/400 systems with modern enterprise platforms.
Database Management: Work with IBM RUNQRY and DB2/400 databases; experience with embedded SQL (SQLRPGLE) is preferred.
System Modernization: Design and implement RESTful APIs and SOAP web services, utilizing the Integrated File System (IFS) to facilitate data exchange with external systems.
Production Support: Troubleshoot application issues, optimize legacy code, and improve system performance and reliability.
Collaboration: Partner with business stakeholders to gather requirements and translate them into technical solutions.
Documentation and Standards: Maintain technical documentation, participate in code reviews, and adhere to security and compliance standards.

Required Skills And Qualifications

Bachelor's degree in Computer Science, Information Technology, or a related field preferred; equivalent experience will be considered.
3-6 years of hands-on experience developing applications using RPGLE, free-form RPG, RPG III, CLLE, CL, and DB2/400.
Minimum of 1 year of professional Java development experience, including core Java and object-oriented programming concepts.
Experience with JSON, SOAP, XML, and web service integrations is preferred.
Working knowledge of APIs, web services, and file transfers using the Integrated File System (IFS).
Strong analytical and troubleshooting skills, including the ability to understand and reverse-engineer undocumented legacy RPG applications.

Benefits