Senior Software Engineer, Risk

5+ years of experience as a software engineer Strong backend engineering experience building and operating scalable systems Solid understanding of system design, data flows, and performance optimization Experience working in highly collaborative, cross-functional environments Comfort operating in ambiguous problem spaces with evolving requirements Strong sense of ownership and focus on business and customer impact Experience with risk, fraud, AML, or trust & safety systems (bonus) Familiarity with technologies like Node.js, Kubernetes, Kafka, Datadog, AWS, or similar (bonus) Experience working in fintech or other regulated environments (bonus) Interest in Bitcoin and excitement to learn more (bonus)

Build and evolve core risk systems and decisioning infrastructure Design and implement scalable backend services that support fraud prevention and compliance Improve data instrumentation and observability to enable accurate risk analysis and reporting Partner with data, security, compliance, and CS to translate risk insights into effective controls Iterate on risk rules and frameworks to reduce false positives and false negatives Contribute to internal tools that support investigations and operational efficiency Mentor engineers through code reviews, design discussions, and knowledge sharing Help define technical direction and best practices for the Risk team