POSITION SUMMARYThe IBM i / AS400 Software Engineer III is responsible for designing, developing, modernizing, and supporting business-critical applications on the IBM i platform. This role works closely with IT, Operations, and business stakeholders to enhance warehouse management and logistics systems, troubleshoot production issues, improve application performance, and deliver reliable solutions that support internal teams and external customers.
Essential Functions- Design, develop, maintain, and support applications written in RPG, RPGLE, Free-Form RPG, CLP, CLLE, and SQL on the IBM i / AS400 platform.
- Analyze, troubleshoot, and resolve production issues within IBM i applications supporting warehouse management, customer operations, inventory, fulfillment, and logistics workflows.
- Partner with business users, operations leaders, and IT teammates to translate requirements into practical, reliable technical solutions.
- Support and enhance WMS-related applications, including AS400 functionality and integrations with broader logistics platforms.
- Develop and maintain integrations using SQL, APIs, HTTP services, data exchange methods, and related integration patterns.
- Create and maintain technical documentation, unit test plans, deployment notes, and support procedures aligned to development standards.
- Participate in code reviews, promote IBM i development standards, and identify opportunities to improve quality, maintainability, and performance.
- Use change management tools such as ALDON / Rocket Aldon to manage source control, deployments, and production changes.
- Identify modernization opportunities within legacy RPG applications while balancing operational stability and business continuity.
Minimum QualificationsThese may be representative, but not all-inclusive of those commonly associated with this position. We encourage you to apply, even if you don't meet every qualification.
Education & Experience - 7+ years of software development experience, including significant hands-on experience with IBM i / AS400 application development and support.
- BA/BS, preferably in Computer Science, MIS, IS/IT, or a related field. Or, equivalent experience.
- Experience supporting WMS, logistics, transportation, 3PL, or supply chain systems preferred.
- Experience supporting production systems in a high-volume operational environment preferred.
Physical & Mental Requirements While performing the duties of this job, the employee requires the ability to:
- Hear, read and comprehend, write, and communicate
- Continuously sit, type, and perform repetitive wrist motion
- Occasionally stand, walk, bend, squat/kneel, twist/turn or reach
- Focus (with or without corrective lenses) to see close and distant, along with depth perception capabilities
The physical demands herein are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
