Fraud Strategy Manager / Senior Manager (Transaction Fraud)

About this role

At Cardless, we’re building a credit card and loyalty platform that consumer businesses use to engage their customers. We’ve launched 14 credit cards, including for Coinbase, Alibaba, and Qatar Airways. We help businesses bring imaginative card programs to life, and have pioneered technology to embed credit card features natively into their products.

We value curiosity, humility, and intensity — we move fast and take ownership. This is a place where a motivated, resourceful individual can have an enormous impact on our trajectory. We're headquartered in San Francisco, and have raised about $90M in equity funding from top venture capital firms and angels.

## The Job

We're looking for a Fraud Strategy Manager or Senior Manager – Transaction Fraud to own the strategy that governs how we evaluate and respond to transactions across our credit card portfolio. This is a deeply analytical, strategy-forward role at the heart of how Cardless protects customers and controls fraud losses without degrading the cardholder experience.

Reporting to our Chief Risk Officer, you'll define transaction-level decisioning logic across approve, decline, and step-up flows; build the control framework for account takeover, PII change events, and payment activity; and develop outburst detection strategies to catch fraud rings and velocity-driven attacks before losses compound.

## What You'll Own

Transaction Decisioning Strategy

• Own the end-to-end framework for transaction-level fraud decisions: approve, decline, and conditional approval (step-up / challenge) across all Cardless-issued cards.
• Design and continuously tune decision logic that balances fraud loss prevention with authorization rates and cardholder experience.
• Define step-up and cardholder challenge strategies (e.g., OTP, push notification) for elevated-risk transactions, including triggers, cadence, and fallback handling.
• Partner with data science to translate model scores into operational policy; define...