Head of Payment Security & Transaction Integrity

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.

### 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, Risk, Operations, Compliance, and Engineering teams - Design monitoring and alerting frameworks for transaction anomalies - Reduce financial losses caused by abuse, fraud, and system weaknesses ### Governance - Chair Payment Security Review Board - Define payment security standards and launch approval processes - Create risk acceptance and escalation frameworks

- 8+ years in payments, fintech, acquiring, banking, or transaction risk - Deep understanding of payment systems, merchant acquiring, settlement, reconciliation, and transaction processing - Experience with payment fraud, transaction abuse, or payment security - Strong understanding of business logic vulnerabilities and adversarial thinking - Ability to work across Engineering, Risk, Compliance, and Operations teams

- Meaningful Collaborations - Work cross-functionally with other relevant teams to improve customer experience. - Scalable Growth - Be part of a fast-growing organization with opportunities for career advancement. - A Space For Bright Ideas - Coins culture welcomes new ideas backed up by data to create an impact.

I found multiple businesses related to coins, but no single company clearly identified as just "Coins." The most directly matching result appears to be a custom coin and challenge coin maker that produces personalized coins for corporate, military, and commemorative uses. However, I cannot confidently determine which specific company the user means from the provided results alone.