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# AS400 Developer & Support

- **Company:** Crackajack LLC
- **Location:** Seattle, WA, United States
- **Contract:** Permanent contract
- **Skills:** IBM System I, Batch Processing, Databases, IBM DB2, Software Debugging, IBM RPG (Programming Language), Performance Tuning, SQL Stored Procedures, Systems Integration, Maintaining Code
- **Published:** October 17, 2026
- **Apply:** https://www.careerbuilder.com/job-details/as400-developer-support-seattle-wa--94b55b5b-261c-4e43-8361-1f21adb908ad

## About the Role

* 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

## Description

Role: AS400 Developer & SupportLocation: Renton, WA (4 Days Onsite)Key Responsibilities:Develop, maintain, and enhance applications on AS400 (IBM i) platformWrite and optimize programs using RPG (RPG III/IV, RPGLE, Free Format RPG)Design, query, and manage DB2 databasesProvide L2/L3 production support, troubleshooting and resolving system issuesPerform root cause analysis and implement long-term fixesCollaborate with business and technical teams for requirement analysis and enhancementsSupport system upgrades, patches, and performance tuning initiativesEnsure documentation of processes, code changes, and support activitiesRequired Skills:Strong experience with AS400 (IBM i) systemsProficiency in RPG (RPGLE / Free Format RPG)Hands-on experience with DB2 database (queries, stored procedures, performance tuning)Experience in application support and incident managementGood understanding of system integrations and batch processingStrong debugging and problem-solving skillsPowered by JazzHR