Senior Fraud and Risk Engineer

<div class="content-intro"><p>At Breeze, we're building the AI-powered infrastructure layer for global commerce, making it radically simpler for businesses to sell, get paid, and operate across markets.</p> <p>We go far beyond traditional payment processing. Breeze combines global payments, AI, stablecoins, and a Merchant of Record-like model to take on the complexity businesses typically manage themselves, including compliance, risk, fraud, chargebacks, reconciliation, and customer support.</p> <p>Our goal is simple: let businesses focus on building and selling great products while Breeze handles the complexity behind getting paid.</p> <p>Backed by <strong>Sequoia Capital</strong>, <strong>Multicoin Capital</strong>, and <strong>The Chainsmokers</strong>, Breeze is a successful, rapidly growing, and exceptionally well-capitalized company. We have the runway to think long term while remaining early enough that every person joining today can have a meaningful impact on what we build.</p></div><p><strong>Overview</strong></p> <p>We are hiring for a Senior Fraud & Risk Engineer to join our team! You will own and build the risk infrastructure that powers our payments platform. This is a highly strategic and hands-on role where you will design, implement, and scale our fraud detection systems across a diverse and growing portfolio of merchants.</p> <p>You’ll work across best-in-class tools like Sift and Sardine to create a multi-merchant risk engine that balances approval rates with fraud prevention. From rules architecture to model tuning and chargeback analysis, you’ll be responsible for driving measurable improvements in fraud performance.</p> <p>This role is ideal for someone who has built or operated fraud systems in payments or marketplaces, thrives in high-ownership environments, and wants to shape risk as a core product function at a fast-growing fintech company.<br>Preference on a colleague who can work hybrid in our NYC office. </p> <p><strong>What You’ll Do</strong></p> <ul> <li>Own and evolve Breeze’s fraud risk engine, integrating Sift ML scoring and Sardine rules across all merchant categories</li> <li>Design and maintain a scalable rules architecture, including category-level defaults, merchant-specific overrides, velocity checks, and blocklists</li> <li>Continuously tune thresholds and features across merchant segments to optimize approval rates and minimize fraud</li> <li>Build feedback loops between manual review decisions, chargeback data, and model retraining to improve detection accuracy</li> <li>Partner closely with risk operations to translate real-world fraud patterns into automated rules and systems</li> <li>Lead onboarding of new merchants into the risk stack, solving cold-start challenges and calibrating risk for new verticals</li> <li>Monitor and improve key fraud KPIs, including approval rate, chargeback rate, and false positive rate</li> <li>Collaborate cross-functionally with product, engineering, and operations to ensure risk systems are scalable and deeply integrated into the platform</li> </ul> <p><strong>What We’re Looking For</strong></p> <ul> <li>Bachelor’s degree or equivalent practical experience</li> <li>6+ years of experience in fraud/risk engineering within fintech, payments, marketplaces, acquiring processors, or related technology environments</li> <li>Proven hands-on experience integrating and operating third-party fraud detection platforms such as Sift, Sardine, Forter, Featurespace, Feedzai, or Kount</li> <li>Experience designing and supporting fraud systems for multi-merchant or marketplace environments, including se