Software Engineer, Email
Job description
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.
What We're Looking For
We’re looking for an experienced backend engineer to build out the infrastructure required to rapidly scale up our engineering organization. A few examples of the work we’ve done recently:
- design and develop software applications and tools
- write clean, portable, well-documented software code.
- write code to support software features.
- develop iterations and deliver software features.
- test software product or system development code.
- triage, troubleshoot, debug, software issues.
- review code developed by other developers and provide feedback to ensure best practices (style guidelines, checking code in, accuracy, testability, and efficiency).
- contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback.
What We Offer
A 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
Join Doppel
Doppel is the first platform built to dismantle digital deception at scale. We scan over 150 billion entities daily and deploy continuously adaptive AI SOC agents, paired with expert human analysts, to uncover and disrupt the infrastructure behind phishing, impersonation, and online fraud before attacks can spread. Our Threat Grid turns every customer signal into shared intelligence, making each disruption smarter, faster, and more effective.
We’re not just another cybersecurity company. We’re defining the future of social engineering defense, where trust is protected, and deception becomes unprofitable. Backed by top-tier investors and trusted by some of the world’s most recognized brands, Doppel is growing fast. If you’re driven to solve real-world problems with bold technology, we’d love to meet you.
Skills mentioned

Doppel is a modern digital risk protection platform built to safeguard brands from the rising tide of cyber threats. Our customers face a daunting challenge in the form of advanced phishing schemes, impersonation efforts, and various fraud tactics that could tarnish their reputation and client trust. This is why we have developed a comprehensive solution that combines the agility of AI with human expertise to proactively detect and eliminate these threats across multiple digital environments. With our innovative Doppel Vision platform, we provide complete coverage that includes monitoring of social media, domains, websites, and even the dark web. This multifaceted approach helps to identify malicious activities before they escalate into significant security breaches. Our commitment to keeping our clients secure is evidenced by our rapid response times; clients have reported takedown efficiencies that outstrip traditional methods by a remarkable 5.5 times. Furthermore, our Executive Protection service offers continuous monitoring and safeguarding of high-profile leaders against social engineering threats, ensuring that their digital identities are protected around the clock.
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