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AS400 Developer (COBOL, RPG, JCL, DB2 , Omni Script, Batch Processing, CICS)
Islandwide, Singapore
ContractInformation TechnologyJob Description
Responsibilities
- Lead development and enhancement initiatives for applications running on IBM i / AS400 platforms
- Analyze business requirements and translate them into detailed technical designs and specifications
- Oversee coding, unit testing, and deployment activities while ensuring adherence to quality standards
- Conduct root cause analysis for production issues and implement long-term fixes to prevent recurrence
- Review code, enforce development standards, and ensure best practices are followed across the team
- Coordinate with stakeholders, including business users, architects, and onsite teams, to ensure alignment
- Manage task allocation, track progress, and ensure timely delivery of project milestones
- Support production systems by monitoring performance, resolving incidents, and ensuring system availability
- Prepare and maintain technical documentation, test plans, and status reports
- Participate in design discussions and provide technical recommendations for system improvements
- Mentor junior team members and facilitate knowledge sharing within the team
- Drive continuous service improvement initiatives and contribute to process optimization
Requirements
- Strong experience in IBM i / AS400 application development
- Proficiency in COBOL, RPG (RPGLE).
- Sound experience in financial industry with good experience in payments
- Hands-on experience with DB2 and embedded SQL
- Familiarity with development and change management tools
- Solid understanding of system performance, job scheduling, and operational support on IBM i platforms
- Experience in Omni Script, Control-M , Batch Processing
- Experience in application maintenance, enhancements, and production support environments
- Ability to work in distributed (onsite-offshore) delivery models
- Strong analytical, problem-solving, and debugging capabilities
About Antas Pte. Ltd.
First seen: June 15, 2026
Last updated: June 15, 2026