AS/400 RPG Developer (WMS)

ChabezTech LLC; Romeoville (IL); Hybrid; USD 80,000 - 110,000; Full time

Job summary

A technology solutions provider is seeking an experienced AS/400 RPG Developer to support vital warehouse and distribution operations. The role emphasizes production support and system integrations, requiring expertise in AS/400, WMS, and performance optimization. Ideal candidates will have strong hands-on experience with RPGLE, SQLRPGLE, and debugging in warehouse environments. This is a hybrid contract-to-hire position based in Romeoville, IL, offering a unique opportunity to enhance critical systems.

Qualifications

• Strong hands-on experience with RPGLE, RPG-IV, SQLRPGLE, and CLLE.
• Proven experience supporting WMS environments.
• Strong debugging and production support capabilities.

Responsibilities

• Develop, maintain, and enhance applications using RPGLE / RPG-IV / SQLRPGLE / CLLE.
• Provide production support and troubleshoot warehouse systems.
• Optimize performance for high-volume warehouse and distribution operations.
• Support shipping, receiving, inventory management, and FTZ processes.
• Collaborate with operations and IT teams to improve reliability.

Skills

RPGLE / RPG-IV / SQLRPGLE

CLLE

DB2/400

Production support

Performance tuning

WMS environments

Job description

AS/400 RPG Developer

Location: Romeoville, IL — Hybrid (3 days onsite)

Duration: Contract-to-Hire

Role Overview

We are seeking an experienced AS/400 RPG Developer with strong Warehouse Management Systems (WMS) expertise to support and enhance mission‑critical warehouse and distribution operations. This role focuses on production support, performance optimization, and system integrations within a high‑volume distribution environment.

Your background in WMS, distribution center operations, and AS/400 modernization makes this an excellent fit.

Key Responsibilities

• Develop, maintain, and enhance applications using RPGLE / RPG-IV / SQLRPGLE / CLLE
• Provide production support, troubleshooting, and debugging for warehouse systems
• Optimize performance for high‑volume warehouse and distribution operations
• Support shipping, receiving, inventory management, and FTZ (Foreign Trade Zone) processes
• Collaborate with operations and IT teams to improve system reliability and efficiency
• Assist with modernization and integration initiatives within the AS/400 environment

Required Skills & Experience

• Strong hands‑on experience with:
• RPGLE / RPG-IV / SQLRPGLE
• CLLE
• DB2/400
• Proven experience supporting WMS environments
• Strong debugging and production support capabilities
• Performance tuning experience in warehouse or distribution systems

Preferred Experience

• Integration with:
• EDI
• MQ
• Manhattan
• MAPICS
• Experience in distribution centers or logistics‑heavy environments
• Exposure to AS/400 modernization initiatives

Contact

4 Lemoyne Dr #102, Lemoyne, PA 17043, USA

Phone: [phone] (US) | [phone] (India)

GSA Multiple Award Schedule (MAS) | E-Verify Company