Senior Software Engineer – OpenCTI
Filigran
full-remoteseniorpermanentbackendengineering-management Full remote - Paris, FR Today via WTTJ
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OpenCTIOpen-SourceSoftware EngineeringDebuggingBug FixingMentoringTechnical LeadershipCybersecurityRemote
About the role
Role Overview
Senior Software Engineer (OpenCTI) at Filigran. Work on the core of the open-source OpenCTI platform and influence the product roadmap through engineering contributions.
Missions & Responsibilities
- Contribute actively to the OpenCTI codebase, delivering new features and continuous improvements.
- Identify, investigate, and fix bugs.
- Participate in technical brainstorming sessions and help refine tasks.
- Mentor junior and mid-level engineers, support their technical growth.
- Lead or facilitate technical working groups.
Requirements
- Strong experience contributing to a production software codebase.
- Proven ability to debug, diagnose, and resolve issues.
- Experience working cross-functionally with product, engineering, and community contributors.
- Demonstrated capability to mentor others and help coordinate technical efforts.
Nice-to-Haves
- Experience with open-source development and community collaboration (implied by OpenCTI context).
About Filigran
Filigran is a fast-growing cybertech company focused on improving cyber threat management. The company develops and maintains OpenCTI, an open-source platform at the core of its product roadmap, collaborating with engineering, product, and community contributors.
Scraped 4/16/2026