About the role

About Fable AI-driven threats and human error are today’s biggest enterprise security risks. Cybercriminals don’t hack systems—they exploit people. Human errors drive 90% of security breaches , making human behavior the primary and growing attack surface . ( ex 1 , ex 2 , ex 3 ) Fable is a security platform that mitigates human risks to the business. We built the first AI-native Human Behavior Platform to eliminate human risk wherever employees work. By leveraging GenAI and behavioral systems , we automatically detect at-risk employees, deliver personalized interventions at critical moments, and remove tangible risks to the business - at scale. This is a multi-billion-dollar market, and every company—from SMB to Fortune 500 enterprises—is racing to combat this problem. Backed by Greylock Partners and founded by early Abnormal Security team members, Fable has assembled a world-class team to solve this problem. Our team includes alumni from Meta, Twitter, Flexport, and top-tier universities like Waterloo, Columbia, Berkeley, Purdue, CMU, Stanford, and USC . We are experiencing explosive growth , making this an exciting time to join and shape the future of security. Your Role You will work on

the team that owns our data platform, including real-time API integrations, Kafka-based streaming systems, Spark and Airflow data pipelines, and the data services that power our application layer. You take pride in building reliable, maintainable, and scalable infrastructure that turns complex data flows into high-quality services for the product. You can translate product and customer

requirements into durable platform designs, make thoughtful technical tradeoffs, and build systems that anticipate our needs as we evolve. Fable is founded by the early team from Abnormal Security ($5B valuation) and backed by Greylock, the investors behind Palo Alto Networks, Okta, Figma, and others. Our team has built many of the iconic products at Meta, Twitter, Flexport, and more. Our team has alumni from Waterloo, Columbia, Berkeley, Purdue, CMU, Stanford, and USC. Your skillset 3+ years developing backend software Designed, implemented, and owned production-facing services Experience with one of: Experience building and integrating with external APIs a plus Relational DB backends (Django or similar) Experience building ETL and data pipelines a plus Experience with building distributed systems and backends Experience with AWS, terraform, EKS, and cloud systems Strong desire to be part of an early team and create foundational systems

AI-driven threats and human error are today’s biggest enterprise security risks. Cybercriminals don’t hack systems—they exploit people. Human errors drive 70% of security breaches, making human behavior the primary and growing attack surface. At Fable, we believe that the right tools can convert people from targets to another layer of defense.

Fable is the human risk platform that directly shapes employee behavior. Designed for simplicity and enterprise scale, our agentic platform synthesizes complex employee data, pinpoints risky behaviors, and deploys highly relevant interventions to people automatically, in real time, right where they work.

Backed by Redpoint Ventures and Greylock Partners and founded by early Abnormal Security team members, Fable is solving cybersecurity’s biggest challenge in a multi-billion-dollar market. Our team includes alumni from Meta, Twitter, Flexport, and top-tier universities like Waterloo, Columbia, Berkeley, Purdue, CMU, Stanford, UCLA, and USC. We are experiencing explosive growth, making this a career-defining opportunity to join and shape the future of security.

Backend Engineer

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