Software Engineer, Detection

The role

You will build and operate backend systems at scale to detect and remediate digital threats. You will focus on high-throughput ingestion, enrichment, scoring, alerting pipelines, APIs, dashboards, and threat-linking infrastructure.

What you will do

• Build and operate backend systems at scale
• Deliver reliable production services and UIs
• Focus on high-throughput ingestion, enrichment, scoring and alerting pipelines, APIs and dashboards
• Develop threat-linking infrastructure and reliable automation
• Collect customer requirements and iterate on shipped releases
• Mentor junior engineers
• Make key product decisions

Required qualifications

• Hands-on experience building production backend services or full-stack features
• 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)
• Comfort with web APIs, async processing, and service frameworks
• Solid system design skills including architecting scalable, fault-tolerant systems
• Experience building and operating large data pipelines
• Experience working with warehouses or OLAP systems for analytics
• Experience designing efficient schemas for scale
• Deep practical experience with databases (SQL + NoSQL), caching, message queues, rate limiting, retries, and cost/latency tradeoffs
• Strong observability, debugging and incident response skills
• Product ownership and excellent cross-functional communication

Benefits

• Free lunch and dinner in the office
• Flexible PTO
• Quarterly team offsites

About the company

Doppel is a Series C startup building an AI-native social engineering defense platform. The company is backed by investors including Andreessen Horowitz and Bessemer Venture Partners.