Technology

Senior RPGLE Developer - IBM i - AS/400 Software Engineer with AI Tools exp

Fusion Solutions, Inc.United States🇺🇸United StatesPosted Oct 2, 2026

Why This Role Stands Out

Advance your career as a Senior RPGLE Developer with Fusion Solutions, Inc., where you'll modernize critical IBM i systems and leverage AI tools for enhanced efficiency in a hybrid work environment. This role is ideal for experienced IBM i professionals who thrive on complex problem-solving and contributing to impactful system improvements, offering a fantastic opportunity for growth and skill development. Apply now to join a forward-thinking team and shape the future of legacy applications.

Quick Overview

Seniority

Mid Senior

Work mode

Hybrid

Location

United States

Posted

5 days ago

SQLGitREST

Job Description

Job Title: Senior IBM i Software Engineer | RPGLE Developer | Tech Lead

Type: Contract long-term (Potential Contract-to-Hire)

Overview

Seeking IBM i / AS400 / RPG expertise, with deep hands-on technical knowledge and experience, who can independently work in complex legacy environments. High-performing professional who knows IBM I and RPG inside and out, and enjoys solving problems in legacy environments. Candidates should be proactive, accountable, and motivated to improve systems and development practices. Experience leveraging AI tools to improve development efficiency and analyze legacy RPG code.

Key Requirements

10+ years IBM i / AS400 / RPG development experience
Strong expertise in RPG III / RPG IV / RPGLE (Free Format), CL / CLLE and DB2 for i / SQL
Ability to analyze, maintain, and enhance complex legacy RPG applications
ILE RPG / Activation Groups / ILE Concepts
Service Programs (SRVPGM), Binder Language, Signatures, Signature Failure Resolution
Embedded SQL / SQLRPGLE / File Access Using SQL
Performance Tuning / Long-Running Batch Job Efficiency
IBM i APIs / REST APIs / Web Services / Web Components
Error Handling / Message Severity Levels
Data Conversion (RPG to JSON / JSON to RPG)
AI Enablement / Modernizing / Optimizing IBM i / RPG applications
Use of AI tools to improve development productivity & analyze legacy code more efficiently
Strong troubleshooting and production support skills
Comfortable working independently and taking ownership of deliverables
Familiarity with tools such as Aldon, MKS Implementer, Git, X-Analysis, or Hawkeye