Haystack
← Back to Jobs
Technology
GD

AS 400 / RPG Developer

GDHMontgomery, AL🇺🇸United StatesPosted Oct 12, 2026

Quick Overview

Salary
$40 - $50/hr
Seniority
Mid Senior
Work mode
On Site
Location
Montgomery, AL, United States
Posted
Yesterday
SQL

Job Description

Role Summary

This position supports and enhances enterprise applications on the IBM AS/400 platform, with a focus on RPG development, application maintenance, and system support. The role develops, modifies, troubleshoots, and optimizes business-critical applications while collaborating with technical teams and business stakeholders to support reliable system performance.

Responsibilities

  • Maintain and enhance business-critical applications running on the IBM AS/400 platform.
  • Develop, modify, and optimize RPG applications using RPG/400, ILE RPG, SQL RPGLE, and related technologies.
  • Troubleshoot and resolve production application issues to support system stability and performance.
  • Perform testing, validation, and quality assurance for application updates and enhancements.
  • Develop and maintain technical documentation, procedures, and system configuration records.
  • Collaborate with technical teams and business stakeholders to support project and operational objectives.
  • Support data analysis, reporting, and system-related business initiatives.
  • Perform system support activities and assist with application and platform upgrades.
  • Develop and maintain screen designs and user interface enhancements using AS/400 Screen Design Aid (SDA).
  • Use query, development, and change management tools to support efficient application development and maintenance.

Qualifications

  • 8+ years of professional RPG programming experience, including RPG/400, ILE RPG, and SQL RPGLE.
  • Recent professional experience supporting applications on IBM AS/400 platforms.
  • Demonstrated experience supporting and troubleshooting business-critical applications.
  • Strong knowledge of systems analysis, application design, development, and maintenance.
  • Strong debugging, analytical, problem-solving, and technical documentation skills.
  • Ability to independently manage complex technical assignments and multiple priorities.
  • Strong written and verbal communication skills with the ability to collaborate effectively with technical and business stakeholders.
  • Relevant education, training, certifications, or equivalent practical experience.
  • Ability to meet applicable employment eligibility requirements for the position.
  • Availability to work on-site as required.

Publishing Pay Range: $40.00 - $50.00 Hourly 

Similar jobs