AS/400 Developer

About Us:

Atlas Systems Inc. is a Software Solutions company headquartered in East Brunswick, NJ. Incorporated in 2003, Atlas provides comprehensive range of solutions in the area of GRC, Technology, Procurement, Healthcare Provider and Oracle to customers across the globe. Combining our unparalleled experience of over a decade in the software industry and global reach, we have grown with extensive capabilities across industry verticals.

For more information, please visit our website https://www.atlassystems.com/

Please click on the link below to apply for this position:

https://atlas.bamboohr.com/careers/489

Role Overview

We are seeking an experienced AS/400 Developer to design, develop, and maintain applications on the IBM (AS/400) platform. The ideal candidate will have strong technical expertise in RPG, CL, DB2/400, and system integration, with an ability to work closely with business users and technical teams to deliver reliable, scalable, and high-performance solutions.

Key Responsibilities

Design, develop, test, and deploy applications on the IBM iSeries (AS/400) platform

Develop and maintain programs using RPG (RPGLE, RPG/400), CL, SQL/400, and DB2/400

Analyze existing code to identify performance improvements and modernization opportunities

Support application integration with ERP systems and external platforms

Participate in requirement gathering, technical design, and documentation

Troubleshoot, debug, and resolve production issues in a timely manner

Collaborate with cross-functional teams including business analysts, QA, and infrastructure

Provide technical support for system enhancements, patches, and upgrades

Ensure compliance with coding standards, change management, and security guidelines

Required Skills

Programming Languages: RPGLE, RPG/400, CLLE, SQL/400

Database: DB2/400, Query/400, SQLRPG

Tools/Utilities: SEU, SDA, RLU, PDM, DFU, Turnover (or similar change management tools)

Strong understanding of AS/400 architecture, job scheduling, and security concepts

Experience with application modernization or integration with web-based systems is a plus

Proficient in performance tuning, debugging, and code optimization

Excellent problem-solving and communication skills

Preferred Qualifications

Experience working with ERP systems (e.g., Infor, or SAP interfaces)

Familiarity with REST/SOAP APIs or middleware integration on IBM

Exposure to DevOps tools or modernization projects (e.g., migration from RPG to Java/.NET)

Bachelor’s degree in Computer Science, Information Systems, or equivalent work experience .