Senior IBM i RPGLE Developer — Logistics & TMS Integrations

Prime, Inc.; Springfield (MO); On-site; USD 95,000 - 135,000; Full time

Job summary

Prime Inc. is seeking an experienced Senior RPGLE Developer to design, build, and maintain IBM i (AS/400) applications supporting transportation and logistics operations. You will work with RPGLE, free-format RPG, CL, and embedded SQL, modernizing legacy code and integrating IBM i with external systems.

The role requires strong analytical, documentation, and collaboration skills, plus the ability to participate in an on-call rotation to ensure 24/7 operations.

Qualifications

• 7+ years of professional development experience with RPGLE / ILE RPG on IBM i.
• Strong understanding of free-format RPG, ILE concepts, RPG III/RPG400 and embedded SQL.
• Experience with CL programming, display files and subfiles, printer files, and DDS.
• Experience with debugging tools, job logs, and diagnosing issues in a live production environment.
• Experience with a transportation management system (TMS) like ICC or similar.
• Experience with mileage and routing engines (PC*MILER, Rand McNally) and telematics/ELD integrations.
• Experience with integration with external platforms (HTTPAPI, JSON/XML parsing with DATA-INTO / DATA-GEN / YAJL).
• Experience with JAVA, Python, C#.

Responsibilities

• Design, develop, test, and maintain applications in RPGLE and fully free-format RPG, CL, and embedded SQL on IBM i.
• Maintain and help modernize legacy RPG III/RPG400 programs.
• Write SQL for Db2 for i, including complex joins, stored procedures, triggers, views, and user-defined functions.
• Analyze production issues, perform root cause analysis, and deliver timely fixes with minimal disruption to 24/7 operations.
• Build and support integrations between the IBM i and external systems via web services/REST APIs and third-party platforms.
• Partner with stakeholders to translate business requirements into technical specifications and working software.
• Participate in an on‑call rotation.
• Document application designs, data flows, and operational procedures.

Skills

RPGLE / ILE RPG

CL

Embedded SQL

Java

Python

C#

Debugging

Tools

PC*MILER

Rand McNally

HTTPAPI

DATA-INTO

DATA-GEN

YAJL

Job description

Prime Inc. is seeking an experienced Senior RPGLE Developer to design, build, and maintain IBM i (AS/400) applications supporting transportation and logistics operations. You will work with RPGLE, free-format RPG, CL, and embedded SQL, modernizing legacy code and integrating IBM i with external systems.

The role requires strong analytical, documentation, and collaboration skills, plus the ability to participate in an on-call rotation to ensure 24/7 operations.