Director Senior Security Architect
Bullish helps you trade cryptocurrencies securely through a regulated exchange that combines traditional order books with automated market making.
Maintainer signals as of 9/2/2026
Funding history
About Bullish
Bullish helps institutional traders execute cryptocurrency transactions through a regulated Gibraltar-licensed platform. You can trade spot assets, access margin funding, and trade perpetual futures with cross-collateralized accounts. The exchange combines traditional central limit order books with automated market making to provide consistent liquidity and tight spreads across market conditions.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will create threat models and cybersecurity requirements for critical systems. You will partner with product, engineering, and infrastructure stakeholders to ship secure web, API, mobile, FIX, and trading platforms; assess vulnerabilities; build AI-powered security tooling; report metrics; lead initiatives; and mentor technical colleagues.
Requirements
- 10+ years in cybersecurity
- 5+ years of hands-on coding experience
- Expertise in threat modeling, penetration testing, code review, and offensive security methodologies
- Knowledge of IP, DNS, HTTP, SSL/TLS, PKI, encryption, Linux, and public cloud platforms
- Proficiency in C, C++, Java, JavaScript, Python, Go, or Rust
- Knowledge of OWASP Top 10 and SANS CWE Top 25
- Knowledge of enterprise software development, Agile, CI/CD, SAST, DAST, OSA, vulnerability management, and API traceability
- Ability to communicate technical risks to executives and engineers
- Ability to drive projects independently
Responsibilities
- Build threat models and establish cybersecurity requirements for critical systems
- Partner with product, engineering, and infrastructure stakeholders to design and ship secure software
- Lead global security initiatives and build AI-powered security tooling
- Assess vulnerability risks and deliver actionable recommendations
- Track health metrics and KPIs for executive reporting
- Drive high-impact security projects
- Provide technical leadership and mentorship
