Savvas PanayiotouSenior IT Executive
EN/ΕΛ
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FINANCIAL TECHNOLOGY · DOMAIN EXPERIENCE

Payments & Operational Resilience

Architecture and delivery experience spanning issuing, acquiring, enterprise integration and regulated financial environments.

PaymentsISO 8583Event-Driven ArchitectureOperational Resilience

CHALLENGE

The operating context

Payment and banking systems must balance continuous availability, transactional consistency, security controls and regulatory obligations across complex internal and third-party dependencies.

APPROACH

From strategy to delivery

  1. Design and govern REST APIs, messaging and enterprise integrations.
  2. Apply reliable delivery patterns across distributed and event-driven systems.
  3. Embed PCI DSS, ISO 27001, IT controls and operational resilience into delivery.
  4. Coordinate technology teams, vendors and business stakeholders across change.

OUTCOME

What was delivered

A portfolio-level view of experience across Visa, Mastercard, ISO 8583, issuing and acquiring environments. Confidential programme details and institution-specific metrics are intentionally excluded.