Staff Engineer - Fraud Prevention at Sardine

<p style="min-height:1.5em"><strong>Who we are:</strong></p><p style="min-height:1.5em">Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market, spanning more than 6 billion profiled devices, 800 million consumers, and 3 million businesses worldwide. Leading companies including FIS, GoDaddy, Intuit, Edward Jones, ZoomInfo, and Checkout.com rely on Sardine to secure and grow trust in their products.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Our culture:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">We have hubs in the Bay Area, NYC, Austin, Toronto, and São Paulo. However, we maintain a remote-first work culture. #WorkFromAnywhere</p></li><li><p style="min-height:1.5em">We hire talented, self-motivated individuals with extreme ownership and high growth orientation. </p></li><li><p style="min-height:1.5em">We value performance and not hours worked. We believe you shouldn't have to miss your family dinner, your kid's school play, friends get-together, or doctor's appointments for the sake of adhering to an arbitrary work schedule.</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Location:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Remote - USA or Canada - <strong>Given the strategic nature of this role, we expect a degree of flexibility for somewhat regular in-person meetings with our leadership team in San Francisco, Berkeley.</strong></p></li><li><p style="min-height:1.5em">From Home / Beach / Mountain / Cafe / Anywhere!</p></li><li><p style="min-height:1.5em">We are a remote-first company with a globally distributed team. You can find your productive zone and work from there.</p><p style="min-height:1.5em"></p></li></ul><p style="min-height:1.5em"><strong>About the Role</strong></p><p style="min-height:1.5em">You will serve as the technical steward and platform architect for both our Consumer Fraud and Business Fraud engineering teams. This position involves driving technical strategy, optimizing mission-critical infrastructure, mentoring engineers, and assuming broad ownership of a platform that processes massive volumes of data in real-time.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>What you’ll be doing:</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Act as the overarching technical leader for multiple teams, partnering with stakeholders to unify platform strategy.</p></li><li><p style="min-height:1.5em">Architect, design, and optimize ultra-low-latency backend services and a high-throughput rules engine.</p></li><li><p style="min-height:1.5em">Design optimal data access patterns, partitioning st