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Senior Software Engineer (Cyber Risk Quantification) - OpenCRQ

filigran • France
Full Remote
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Build and shape Filigran’s OpenCRQ cyber risk quantification product as its fourth engineer. Design probabilistic models, correlation layers, and agentic workflows for threat intelligence, exposure validation, and risk quantification. Own end-to-end product development, data pipelines, and open-source contributions in a remote-first, global team.

Key Highlights
End-to-end product ownership for OpenCRQ, Filigran’s cyber risk quantification product
Design probabilistic loss distributions and correlation layers for threat intelligence, exposure, and controls
Work with open standards (STIX, OCSF) and agentic workflows for board-level risk reporting
Key Responsibilities
Develop and shape OpenCRQ’s data model, quantification engine, and correlation layer
Design scalable ingestion pipelines for threat intelligence and exposure data
Collaborate on open-source contributions and open standards integration (STIX, OCSF)
Own end-to-end product development from ideation to user validation
Ensure risk results are traceable, explainable, and reproducible for board-level decisions
Technical Skills Required
Probabilistic modeling Data pipeline design (scalable ingestion) Open-source cybersecurity standards (STIX, OCSF)
Benefits & Perks
Competitive compensation + equity
Remote-first flexibility with 25 days PTO
Paid volunteer days and annual in-person gatherings
Nice to Have
Experience with agentic workflows or AI-powered cybersecurity tools
Background in probabilistic risk assessment or cyber risk quantification
Familiarity with open-source cybersecurity communities or platforms

Job Description

The Company

Founded 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.

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