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Led the management and optimization of the Business-As-Usual (BAU) Card System Network for CIMB Niaga, improving system uptime by 15% across Visa, JCB, and Mastercard platforms.
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Spearheaded the migration of the Core Banking Project Card System from SICS to Asccend, achieving a seamless transition with minimize downtime and enhancing transaction processing speed.
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Developed and implemented an in-house End-Of-Day (EOD) Ascend interface menu system, reducing operational processing time and cost by 40% for the Data Center team.
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Conducted comprehensive IT risk assessments and maintained the Fraud Detection System (Predator), decreasing fraudulent transaction losses by 20% through proactive monitoring and system enhancements
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Oversaw maintenance of the Embossing Card System to ensure optimal performance and reliability.
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Executed installation and version updates for Visa's third-party file handler applications, including Edit Package.
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Provided on-call support for the On-Duty Handphone service to address and resolve BAU issues during End of Day process.
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Conducted thorough testing and debugging of COBOL/CL programs through Internal tests, System Integration Testing (SIT), and User Acceptance Testing (UAT) prior to production deployment.
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Documented all phases of the Software Development Life Cycle (SDLC) utilizing the Agile methodology.
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Involved in the restart and troubleshooting of cloud-server F5 during service interruptions.
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Collaborated with cross-functional teams to develop new card products and features based on market research.
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Analyzed and improved payment card systems for efficiency, security, and compliance with industry standards.
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Managed end-to-end project lifecycles for card product enhancements, from conception to deployment.
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Conducted IT risk assessments for card products to identify and mitigate potential security threats.
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Monitored system performance, analyzed transaction data, and optimized processing for card products.