HeadofPaymentSecurity&TransactionIntegrity

## Description Join the Pioneer Crypto Brand in the Philippines! Coins is the most established crypto brand in The Philippines and has gained the trust of more than 18 million users. Through the easy-to-use mobile app, users can buy and sell a variety of different cryptocurrencies and access a wide range of financial services. Coins is fully regulated by the Bangko Sentral ng Pilipinas (BSP) and is the first ever crypto-based company in Asia to hold both Virtual Currency and Electronic Money Issuer licenses from a central bank. ## Role Summary Coins is seeking a senior leader to establish and own our Payment Security and Transaction Integrity function.This role is responsible for protecting the integrity of payment flows across QRPH, Wallet, Merchant Payments, Crypto-Fiat rails, and future payment products.Unlike traditional cybersecurity roles, this position focuses on business logic vulnerabilities, payment fraud, transaction manipulation risks, settlement integrity, and adversarial testing of payment systems. ## Responsibilities Payment Security Architecture Review and approve payment flow designs before production launch Conduct payment threat modeling for all new payment products Define secure transaction integrity standards Establish source-of-truth and immutable payment context frameworks Transaction Integrity Prevent amount tampering, currency manipulation, replay attacks, merchant spoofing, and settlement abuse Build transaction verification controls and payment validation mechanisms Define critical payment control requirements across all payment products Adversarial Testing Establish a Payment Red Team program Simulate malicious user behavior against payment systems Conduct business logic attack testing and abuse-case validation Incident Response Lead investigations of payment-related security incidents Conduct root cause analysis and drive remediation Build a payment incident review and governance framework Fraud & Risk Partnership Partner with Fraud, Ris