Required Skills 8+ years of experience in AS400 (IBM i) application development. Strong programming experience with RPG III, RPG IV, RPGLE, Free Format RPG, CL/CLLE. Hands-on experience with DB2/400 and advanced SQL development. Strong understanding of Data Warehouse architecture, dimensional modeling, and ETL processes. Experience with ETL tools such as Informatica, IBM DataStage, SSIS, Talend, or Azure Data Factory (ADF). Experience with data extraction, transformation, and loading (ETL) from AS400 to enterprise data warehouses. Knowledge of data migration, data integration, and performance tuning. Experience developing stored procedures, SQL optimization, and database performance improvements. Ability to analyze business requirements and develop scalable solutions. Strong troubleshooting and debugging skills.