Infosys - AS400 Developer

Role Overview : We are looking for an experienced AS400 / IBM i Developer to develop, enhance, maintain, and troubleshoot enterprise applications running on IBM i systems. The candidate should have strong expertise in RPG programming, CL, DB2 for i, application maintenance, and batch processing. Key Responsibilities : - Develop, enhance, and maintain business applications on IBM i / AS400 platforms. - Write, modify, and debug programs using RPG, RPGLE, free-format RPG, and CL. - Develop and maintain database objects, queries, and stored procedures using DB2 for i. - Analyze functional requirements and translate them into technical specifications and program logic. - Work with existing application code to implement enhancements, resolve defects, and improve maintainability. - Develop and support batch jobs, job scheduling, and data processing workflows. - Troubleshoot production issues and perform root-cause analysis. - Optimize application logic, SQL queries, and program performance. - Work with physical files, logical files, display files, and printer files as required. - Support application integrations, data exchanges, and file-transfer processes. - Participate in code reviews, unit testing, integration testing, and deployment activities. - Prepare technical documentation and maintain coding standards. - Collaborate with business analysts, QA teams, operations, and other technology stakeholders. - Support application modernization and system enhancement initiatives where required. Required Skills : - 7 - 9 years of experience in AS400 / IBM i development. - Strong hands-on expertise in RPG, RPGLE, and free-format RPG. - Experience with CL programming and IBM i command-line operations. - Strong knowledge of DB2 for i and embedded SQL. - Experience with physical files, logical files, and database access methods. - Understanding of batch processing, job scheduling, and production support. - Experience debugging legacy applications and resolving complex technical issues. - Knowledge of software development lifecycle, testing, and release management. - Strong analytical, problem-solving, and communication skills. Preferred Skills : - Exposure to modern IBM i development practices and application modernization. - Experience with APIs, system integration, and data exchange between IBM i and external systems. - Familiarity with tools such as Aldon, TurnOver, or equivalent change management solutions. - Knowledge of version control and deployment processes. - Experience in banking, insurance, retail, manufacturing, or other enterprise application domains.