AS400 Developer

About the role

Directly responsible for the enhancement and support of the Broking System, with a focus on ensuring stability and seamless integration across Broking applications. The role involves providing day-to-day application support for Equities Trading systems used by AmInvestment Bank, specifically the IB Equity Back-Office System (eAMS), Margin Application System (MAS & AMSMART), and all related internal and external system interfaces. This includes participation in Group-level projects involving RPG-based applications and enhancing the Broking System to ensure seamless integration with other source systems and to improve operational efficiency.

Key responsibilities

• Support the BNM RMIT mission-critical Broking System, which serves as the system of record for all broking transactions and supports downstream integrations including trade capture, settlement, margining, corporate actions, GL posting, and regulatory reporting
• Ensure the Broking System remains fully functional and available during trading hours
• Design, develop, maintain, and enhance existing RPG applications using RPG III and RPG IV (RPG/LE and Free-Format)
• Develop new programs based on business requirements, update legacy code with minimal documentation, and refactor or modernize existing RPG components
• Exercise technical decision-making authority, including defining program architecture, code structure, and data model changes
• Support broking business operations through code enhancements covering trade lifecycle processes, margin calls, forced sell-down activities, corporate actions, and the calculation of fees, commissions, and interest
• Provide support for end-of-day, end-of-month, and end-of-financial-year batch processing activities
• Ensure strict adherence to cut-off time requirements to guarantee timely contract generation, CDS settlement, and completion of end-of-day batches before the next trading session begins
• Implement and support regulatory and exchange-mandated changes, including updates arising from Bursa rule amendments
• Serve as part of the L2/L3 production support team in addition to project delivery responsibilities, including participation in an on-call rotation

About you

• 20 years of IT experience in Application Development and Application Support
• 15 years of hands-on development experience in RPG, including system integration with other platforms
• 15 years of application support experience on the AS/400 (IBM i) platform
• Proficient in using DB2/400, CL programs, and job scheduling tools
• Deep understanding of Equity, Derivatives products, margin financing & settlement cycles
• Bachelor's degree or higher in Information Systems, Computer Science, or a related field
• 20 years of experience supporting Broking Application Systems in the financial services domain (additional advantage)
• 20 years of domain knowledge in Equities and Derivatives market operations (additional advantage)