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Software Engineer, Detection (TOR)

External
doppel logoDoppel ยท Toronto, Canada
Full-timeRemote1mo ago
CachingIncident ResponseJavaMessage QueuesNoSQLObservability
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Requirements

  • Hands-on experience building production backend services or full-stack features (or equivalent). Proven record of shipping end-to-end: design โ†’ implementation โ†’ testing โ†’ monitoring โ†’ 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: experience architecting scalable, fault-tolerant systems (sharding, caching, queueing, idempotency, backpressure).
  • Experience building and operating large data pipelines (batch or streaming), working with warehouses or OLAP systems for analytics, and designing efficient schemas for scale.
  • Deep practical experience with backend concerns: databases (SQL + NoSQL), caching, message queues, rate limiting, retries, and cost/latency tradeoffs.
  • Strong observability, debugging and incident response skills: structured logging, tracing, dashboards, SLOs/alerts, and the ability to triage and fix production issues.
  • Product ownership and excellent cross-functional communication - you'll collaborate with Operations, Customer Success, Sales, to deliver measurable outcomes.
  • As part of our Toronto team, you'll:
  • Work on a wide range of asks that protect billions of people from digital impersonation
  • Have complete end to end ownership - from directly collecting customer requirements to continuously iterating on shipped releases.
  • Mentor junior engineers, make key product decisions, and foster a high-performing team culture

Benefits

๐Ÿš€ A mission-driven culture with low ego, high ownership, deep customer obsession, and exceptional talent density๐Ÿฝ๏ธ Free lunch and dinner in the office๐ŸŒด Flexible PTOโœˆ๏ธ Quarterly team offsitesJoin DoppelPaid time offFlexible schedule

Additional Information

Why Join 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 some of the world's most 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 power faster disruption, smarter defense, and modern security awareness at scale. Backed by leading investors including Andreessen Horowitz and Bessemer Venture Partners, and trusted by leading enterprises, Doppel is a rapidly growing Series C startup building the future of social engineering defense. Our team combines deep cybersecurity expertise, operational rigor, and startup velocity to solve some of the internet's most urgent trust and safety challenges. What We're Building We're building the AI-native social engineering defense platform. This means we're designing scalable systems that monitor billions of domains, social media accounts, apps, dark web forums, etc., and leverage AI agents to identify and neutralize digital threats.


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