About the job
Why Choose Doppel?
At Doppel, we are at the forefront of combating one of the most significant challenges posed by artificial intelligence: the prevalence of sophisticated social engineering tactics. With an alarming rise in scams, deepfakes, and other malicious attacks across various digital platforms—including websites, social media, advertisements, and encrypted messaging apps—our mission is both ambitious and vital: to create a safer internet by outsmarting these rapidly evolving digital threats.
Supported by leading investors like a16z and Bessemer, and trusted by globally recognized brands such as OpenAI, United Airlines, and Coinbase, Doppel is expanding rapidly. If you are passionate about leveraging bold technology to tackle real-world challenges, we want to connect with you.
Our Vision
We are developing an AI-native platform dedicated to defending against social engineering attacks.
This entails creating scalable systems that continuously monitor billions of domains, social media accounts, applications, dark web forums, and more, utilizing AI agents to detect and neutralize digital threats effectively.
Your Role
We are seeking a seasoned backend engineer to design and enhance an automated system aimed at streamlining various Security Analyst functions. Our objective is to verify and neutralize threats within minutes through AI-driven automation. Recent achievements include:
Developed a sophisticated LLM engine that quadrupled verification efficiency for our highest volume product line, enabling rapid takedowns at scale.
Created a QA and data labeling tool to facilitate a seamless feedback loop among human analysts, machine learning models, and LLM agents.
As a member of our San Francisco team (in-office a minimum of three days a week), you will:
Play a vital role in developing systems that safeguard billions from AI-generated scams and digital threats.
Take ownership of projects from gathering product requirements to continuously evaluating and refining released features.
Mentor junior engineers, nurture a high-performance team culture, and contribute to shaping the team’s roadmap.
Participate in monthly team dinners, happy hours, and social events (including outings to the Exploratorium, Valkyries games, etc.).
What We Provide
A mission-driven culture characterized by humility, high accountability, deep customer focus, and an abundance of exceptional talent.
Complimentary lunch and dinner provided in the office.
Flexible Paid Time Off (PTO).

