Mizuho Bank

Fixed Term, ISO 20022 Project Assistant (Oct. 2024 - Oct.2025)

Here’s a more professional and polished version of your key responsibilities:

As a member of the ISO 20022 team, I played a key role in the implementation of the MX system, contributing to all core processes.

Key Responsibilities:

• Collected and analyzed real data from all unique operational cases at Mizuho Bank, Seoul Branch.

• Developed and refined 101 distinct branch operational case scenarios.

• Conducted User Acceptance Testing (UAT) for various financial transactions, including spot and forward trades, netting and partial payments, derivatives, inward and outward remittances, Continuous Linked Settlements, interbank services, Non-Deliverable Forwards, and message types MT900, MT910, and MT950 under the new MX framework.

• Analyzed test results and documented findings to identify and resolve defects in alignment with ISO 20022 logic.

• Independently designed and implemented an MX template for pain.001, ensuring compliance with both branch operations and SWIFT requirements.

• Optimized Business Continuity Planning (BCP) project expenses, achieving a cost reduction of 1 billion KRW, by leveraging existing MT202 functionalities to meet pacs.009 SWIFT requirements.

• Engaged in weekly coordination meetings with the head office and bi-weekly discussions with APAC branches.

• Maintained direct client communication, troubleshooting issues related to customer migration and ensuring a smooth transition.