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Director, Senior Security Architect

London💼 Full-time🗓 2026-09-14 → 2026-09-29

Core

Designing security architecture and defenses for mission-critical digital asset trading systems, exchanges, and data platforms.

Role type

Senior Security Architect, hands-on IC

Builds

Secure software architectures, threat models, and AI-powered security tooling for Bullish Exchange, CoinDesk Indices, and Data.

Domain

Digital assets, cryptocurrency, financial markets, cybersecurity

Required skills

threat modeling, application security, cloud security, network protocols, cryptography, offensive security, code review, vulnerability assessment, CI/CD security, technical leadership

Preferred skills

trading system security, regulated financial systems security, AI tooling development

Technologies

AWS, Azure, GCP, C/C++, Java, JavaScript, Python, Go, Rust, SAST, DAST, OSA, FIX protocol

Responsibilities

build complex threat models, design secure software for web/API/mobile/FIX, lead global security initiatives, assess vulnerability risks, drive high-impact projects, mentor engineering teams

Seniority

Senior, hands-on IC with leadership influence

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