Software Engineer, Infrastructure
Doppel · San Francisco
About this role
## Software Engineer, Infrastructure ### About Doppel Doppel is building the future of social engineering defense. Our AI-native platform uses agentic AI to protect executives, employees, customers, and brands from phishing, impersonation, fraud, and other AI-powered threats across digital channels. We help recognized brands detect and dismantle attacker infrastructure while strengthening employee resilience through threat-informed training and simulation. By unifying **Digital Risk Protection**, **Human Risk Management**, and **Email Security**, Doppel connects threats into a real-time intelligence graph to enable faster disruption, smarter defense, and modern security awareness at scale. Backed by leading investors (including **Andreessen Horowitz** and **Bessemer Venture Partners**) and trusted by enterprise customers, Doppel is a rapidly growing **Series C** startup. --- ### What We’re Building We’re building an AI-native social engineering defense platform—designing scalable systems that monitor **billions of domains**, social media accounts, apps, dark web forums, and more, and leveraging **AI agents** to identify and neutralize digital threats. --- ### What We’re Looking For We’re seeking an experienced **backend engineer** to build the infrastructure needed to rapidly scale our engineering organization. **Recent infrastructure work includes:** - Built **self-hosted Elasticsearch** infrastructure on **Kubernetes**, enabling real-time search across millions of alerts and associated metadata. - Defined core infrastructure using **Terraform (IaC)** for reproducible, version-controlled environments and faster onboarding. - Stood up a dedicated **staging environment** to support safer releases, feature validation, and automated integration testing before production. - Introduced **observability and tracing** (metrics, logging, distributed tracing) to improve debugging and reliability at scale. --- ### What We Offer - 🚀 Mission-driven culture with low ego, high ownership, deep customer obsession, and exceptional talent density - 🍽️ Free lunch and dinner in the office - 🌴 Flexible PTO - ✈️ Quarterly team offsites --- If you’re driven to solve real-world problems with bold technology, we’d love to meet you.
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