20 years in card payments technology across the APAC region, with dual Subject Matter Expert status on ACI Base24 Classic and FIS Connex on HP NonStop — a rare combination in the industry. Deep hands-on experience across the full acquiring stack: POS, MPOS, eCommerce, DCC, ISO 8583, AS2805, and PCI DSS/PIN compliance.
At Fiserv, led production support and development for the ANZ card payments switching landscape, with APAC regional scope covering Australia, India, and Southeast Asia. Delivered complex scheme implementations for Visa, Mastercard, UnionPay, EFTPOS, RuPay, and Amex, including major platform migrations with zero downtime and end-to-end eCommerce acquiring onboarding.
Also builds independent payments products — a multilingual AI payment assistant and a live MCC-compliance SaaS tool — combining two decades of switch/scheme depth with current AI-assisted engineering practice.
Available for hourly consulting on scheme certification, platform migration, PCI compliance, and merchant acquiring solution architecture