Unit Testing, Version Control, Coding, System Design, Application Security, Release management, COBOL development, Code reviews, SDLC change management, Job Scheduling, Deployment, Performance optimization, Troubleshooting, Life Asia COBOL development, AS400 iSeries environment, JCL batch processing

JIRA, Sql, DB2 databases, COBOL development, DevOps practices, Software Deployment, AS400 IBM i platform, EAI Enterprise Application Integration, ALDON for application lifecycle management, release management processes