Principal Software Engineer - XTM One

🌀 The CompanyFounded in 2022, Filigran is a global cybersecurity company on a mission to empower defense teams to be proactive through open-source solutions that uncover threats and drive action. Filigran stands out in the cybersecurity ecosystem through its open-source, AI-powered and threat-informed approach to Continuous Threat Exposure Management (CTEM). Our eXtended Threat Management (XTM) platform brings together threat intelligence, exposure validation and cyber risk reduction, enabling organizations to better understand their threat landscape and take action. At the heart of Filigran is our open-source approach. Our vision is to unite defenders into a global community to make security more open, resilient and collaborative. As Filigran continues to scale globally, we are building the organization, infrastructure and capabilities needed for our next stage of growth. How we scale matters just as much as how fast we scale: our CORE values: Cohesion, Openness, Responsibility and Equity shape how we work together, make decisions and build for the future.  🎯 The RoleWe're looking for a Principal Software Engineer to define and drive the technical direction of XTM One, Filigran's AI platform for threat informed defense and the agentic core of the XTM Suite. XTM One creates and runs cybersecurity expert AI agents and dispatches their intelligence across OpenCTI, OpenAEV and OpenGRC. It also hosts the suite's shared commons (unified authentication, consolidated datasets, co