Software Engineer, Detection

Doppel is building the AI-native social engineering defense platform. We design scalable systems that monitor billions of domains, social media accounts, apps, and dark web forums, using AI agents to identify and neutralize digital threats. The role focuses on high-throughput ingestion, enrichment, scoring, alerting pipelines, APIs, dashboards, threat-linking infrastructure, and reliable automation for stakeholder teams. As part of the NY team, you will have end-to-end ownership from customer to

Hands-on experience building production backend services or full-stack features with a proven record of shipping end-to-end: design, implementation, testing, monitoring, oncall. Strong mastery of at least one backend language (Python, Go, Java, or Node) and comfort with web APIs, async processing, and service frameworks. Solid system design skills for scalable, fault-tolerant systems (sharding, caching, queueing, idempotency, backpressure). Experience building and operating large data pipelines,