We are seeking an experienced AS/400 Application Specialist to guide the AI Tools team in building and maturing EPAM's in-house solution for IBM iSeries (AS/400) application reverse engineering, analysis, and modernization.
Responsibilities
- Demonstrate deep expertise in IBM iSeries (AS/400) applications, architecture, data organization, coding patterns, development practices, tools, and infrastructure, including RPG III, RPG IV, RPGLE, free-format RPG, CL/CLLE, COBOL, DDS, DSPFs, SQL, Db2 for i, libraries, objects, service programs, display files, printer files, physical and logical files, commitment control, and journaling
- Apply solid knowledge of Db2 for i and SQL-based application analysis, including database relationships, physical and logical files, views, indexes, constraints, triggers, stored procedures, journaling, data quality, and performance considerations
- Conduct application portfolio analysis and evaluate RPG, CL, COBOL, DDS, SQL, and Db2 for i coding patterns; identify redundant, unreachable, duplicated, obsolete, tightly coupled, and highly complex code




- Assess application quality, maintainability, performance, technical debt, modernization readiness, and potential risks
- Analyze legacy IBM AS/400 applications, identifying dependencies and business rules, tracing data flows, documenting application behavior, and assessing undocumented or complex codebases
- Drive modernization initiatives including RPG refactoring, fixed-format-to-free-format conversion, DDS-to-DDL conversion, Db2 modernization, API and web-service enablement, UI modernization, application decomposition, cloud integration, re-platforming, and application retirement
- Collaborate with the AI Tools team to define requirements, validate analysis logic, improve prompts and rules, and enhance the accuracy of AI-generated application documentation and code insights
- Guide the development of AI capabilities for program understanding, dependency discovery, business-rule extraction,

📌 Lead (Gurugram)
🏢 EPAM Systems
📍 Gurugram