Role: AS400 Developer & Support Location: Renton, WA (4 Days Onsite) Key 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 Required Skills: • 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