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Software Engineer, Detection at Doppel | New York

doppelNew York
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Demonstrated experience in building production backend services or full-stack features (or equivalent), with a proven track record of delivering projects from design through implementation, testing, monitoring, and on-call support. Proficient in at least one backend programming language (such as Python, Go, Java, or Node) and comfortable with web APIs, asynchronous processing, and service frameworks. Solid system design capabilities with experience in architecting scalable, fault-tolerant systems (including sharding, caching, queuing, idempotency, and backpressure). Experience in constructing and managing large data pipelines (either batch or streaming), working with data warehouses or OLAP systems for analytics, and designing efficient schemas for scalability. Extensive practical knowledge of backend challenges: databases (SQL and NoSQL), caching, message queues, rate limiting, retries, and the trade-offs between cost and latency. Strong skills in observability, debugging, and incident response: structured logging, tracing, dashboards, SLOs/alerts, with the ability to triage and resolve production issues efficiently.

About the job

Why Join Doppel

At Doppel, we are dedicated to combating one of the most significant threats posed by AI: mass-manufactured social engineering. With the rise of scams, deepfakes, and various social engineering attacks across digital platforms—including websites, social media, ads, and mobile applications—our mission is both straightforward and ambitious: to create a safer internet by outsmarting the rapidly evolving digital threats.

Supported by esteemed investors such as a16z and Bessemer, and trusted by globally recognized brands like OpenAI, United Airlines, and Coinbase, Doppel is on a rapid growth trajectory. If you are motivated to tackle real-world challenges through innovative technology, we want to hear from you.

What We're Building

We are developing an AI-native defense platform against social engineering attacks.

This involves creating scalable systems that monitor billions of domains, social media accounts, apps, and dark web forums, using AI agents to detect and neutralize digital threats.

What We're Looking For

We seek passionate engineers who excel at building and operating backend systems at scale. You should be capable of transforming ambiguous detection and product challenges into reliable production services and user interfaces that assist our operations and clients in identifying and mitigating threats. Your focus will be on high-throughput ingestion, enrichment, scoring and alerting pipelines, APIs and dashboards, threat-linking infrastructure, and dependable automation utilized by stakeholder teams daily.

About doppel

Doppel is at the forefront of cybersecurity innovation, dedicated to creating a safer digital landscape. By leveraging advanced AI technologies, we strive to protect users and businesses from the increasing prevalence of social engineering attacks.

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