APAC Core Banking / Data Platform Architect

Mizuho Bank, Ltd; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

Mizuho Bank Singapore Branch is seeking an experienced Data Platform & Enterprise Architecture Leader to define and execute the APAC data strategy, aligning with global priorities and local requirements.

You will architect scalable, secure data platforms, drive modernization of legacy systems, govern architecture standards, and lead delivery across regional teams, while collaborating with Japan Head Office and external vendors.

Qualifications

• 10+ years delivering in strong engineering teams.
• Expertise in data/solution architecture and modernization programs.
• Experience with cloud adoption and large-scale, integrated solutions.
• Strong stakeholder management across APAC and global teams.

Responsibilities

• Define and execute APAC data platform architecture strategy.
• Architect scalable data platforms with security and interoperability.
• Lead delivery oversight for regional data platform initiatives.
• Govern architecture principles, standards, and governance; align with Japan/global teams.
• Promote engineering excellence with CI/CD and security testing.
• Design for reliability, observability, and compliance across platforms.
• Provide technical leadership and mentorship to engineering teams.

Skills

Data architecture

Enterprise architecture

Delivery management

Stakeholder management

Cloud adoption

Security/compliance

Leadership & mentoring

Job description

About Us
MIZUHO BANK IS THE BANKING SUBSIDIARY OF MIZUHO FINANCIAL GROUP, WHICH IS HEADQUARTERED IN TOKYO, JAPAN. MIZUHO FINANCIAL GROUP, INC. IS THE 15TH LARGEST BANK IN THE WORLD, AS MEASURED BY TOTAL ASSETS OF APPROXIMATELY US 2 TRILLION. MIZUHO'S 55,000 EMPLOYEES WORLDWIDE OFFER COMPREHENSIVE FINANCIAL SERVICES TO CLIENTS IN OVER 800 OFFICES THROUGHOUT THE AMERICAS, EMEA, AND ASIA.

MIZUHO BANK SINGAPORE BRANCH HAS AN ESTABLISHED LOCAL PRESENCE WITH OVER 50 YEARS OF HISTORY AND SERVES AS THE REGIONAL HUB FOR THE BANK'S APAC OPERATIONS.

OPERATING WITH A FULL BANK LICENSE, MIZUHO BANK SINGAPORE BRANCH PROVIDES BANKING SERVICES TO OVER 2,000 JAPANESE AND NON JAPANESE CORPORATE CLIENTS, WITH A STAFF STRENGTH OF ABOUT 1,000 EMPLOYEES. WE PROVIDE EXPERTISE IN CORPORATE FINANCE, TRADE FINANCE, CASH MANAGEMENT, FUNDS TRANSFERS, PROJECT FINANCE, AND TREASURY SERVICES TO HELP BUSINESSES DEVELOP AND FIND NEW OPPORTUNITIES. WE ALSO COLLABORATE WITH OUR AFFILIATE COMPANY, MIZUHO SECURITIES, TO PROVIDE INVESTMENT BANKING SOLUTIONS TO OUR CLIENTS.

Job Responsibilities

1) Data Platform & Enterprise Architecture Leadership

• Define and execute the APAC data platform architecture strategy, aligned with global priorities and regulatory/local market requirements.
• Architect scalable, secure, future-ready data platforms that support business change and modernization outcomes.
• Integrate and modernize legacy systems and disparate data sources into unified, trusted data ecosystems enabling analytics, AI/ML, and GenAI.
• Drive adoption of open systems and standard architectures to improve agility, interoperability, and resilience.

2) Delivery Management & Execution (Architecture-through-Delivery)

• Be accountable for successful delivery of a regional data platform, including day-to-day coordination and delivery oversight.
• Partner with sponsors/stakeholders to define goals, deliverables, and acceptance criteria.
• Support requirements/backlog prioritization, user stories, and alignment ceremonies (stand-ups, showcases/POCs, SteerCo, working groups).
• Create and deliver against detailed project plans; track dependencies, manage delivery risks, and ensure timely execution.
• Manage budgets/forecasts and oversee external vendors/data providers.

3) Governance & Stakeholder Engagement

• Establish and embed architecture principles, standards, and governance, ensuring enterprise-wide alignment.
• Chair/lead architecture forums as needed and provide strategic oversight for significant technology programs.
• Build strong relationships across regional/country technology leadership, product, delivery teams, external vendors, and Head Office (Japan).
• Drive architecture advocacy via workshops and knowledge sharing across business and technology communities.

4) Engineering Excellence (Quality, Simplicity, Performance)

• Apply strong software engineering practices: code profiling/optimization, debugging complex issues, and choosing appropriate languages/paradigms.
• Drive pragmatic design: SOLID/cohesion, idempotence, domain modelling, performance-by-design; familiarity with CQRS and eventual consistency.
• Promote modern delivery practices: automation by default, CI/CD, automated security scanning and performance testing.

5) Reliability, Observability, Security & Compliance

• Design for reliability, performance, and availability and ensure platforms meet both user needs and business goals.
• Facilitate adoption of platforms with embedded observability, risk, and compliance controls.
• Ensure secure-by-default engineering, including server hardening fundamentals and use of SSL/encryption principles.

6) People & Talent Leadership

• Provide technical leadership, mentorship, and guidance to engineering/delivery teams and the architecture community.
• Lead design discussions, gain buy-in, and develop others through coaching and knowledge sharing.

Job Requirements

• Experience: Minimum 10 years delivering in strong engineering teams, with proven delivery ownership for data/technology initiatives.
• Strong background in enterprise/data/solution architecture and modernization programs (cloud adoption and large-scale integrated solutions exposure preferred).
• Strong stakeholder management and influencing skills across engineering, product, and senior business leaders; ability to collaborate across APAC and with Japan/global teams.
• Solid foundation across:
  • Software engineering and design practices (performance, SOLID, idempotence, domain modelling).
  • DevOps/automation and CI/CD with security/performance testing automation.
  • Infrastructure basics (OS, scripting, networking) and data storage paradigms; ability to automate PaaS usage.
  • Security principles (secure coding, hardening, encryption/SSL).