AS400 Developer & Support

CrackaJack Digital Solutions LLC • Seattle, WA

2d • Hybrid

About The Position

The AS400 Developer & Support role is responsible for developing, maintaining, and enhancing applications on the AS400 (IBM i) platform. This includes writing and optimizing programs using RPG, designing and managing DB2 databases, and providing L2/L3 production support. The role also involves troubleshooting system issues, performing root cause analysis, collaborating with business and technical teams, supporting system upgrades, and ensuring proper documentation.

Requirements

• Strong experience with AS400 (IBM i) systems
• Proficiency in RPG (RPGLE / Free Format RPG)
• Hands-on experience with DB2 database (queries, stored procedures, performance tuning)
• Experience in application support and incident management
• Good understanding of system integrations and batch processing
• Strong debugging and problem-solving skills

Responsibilities

• Develop, maintain, and enhance applications on AS400 (IBM i) platform
• Write and optimize programs using RPG (RPG III/IV, RPGLE, Free Format RPG)
• Design, query, and manage DB2 databases
• Provide L2/L3 production support, troubleshooting and resolving system issues
• Perform root cause analysis and implement long-term fixes
• Collaborate with business and technical teams for requirement analysis and enhancements
• Support system upgrades, patches, and performance tuning initiatives
• Ensure documentation of processes, code changes, and support activities

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed