Senior Security Architect — Crypto Trading Platform

Bullish; City Of London; Sur place; GBP 110 000 - 170 000; Plein temps

Avantages offerts par ce poste

Equal opportunity employer

Résumé du poste

Bullish in London is seeking a Senior Security Architect to shape secure software across web, API, mobile, and trading platforms. You will lead hands-on security architecture and mentor teams to raise our security bar to industry-leading levels.

Based in SoHo, this full-time onsite role requires deep experience in threat modeling, coding, and cloud security, with the ability to communicate risk to executives and collaborate with product and engineering teams.

Qualifications

• 10+ years in cybersecurity, including 5+ years hands-on coding.
• Strong foundation in network protocols (IP, DNS, HTTP, SSL/TLS), cryptography, Linux, and cloud platforms.
• Proficient in programming languages like C/C++, Java, JS, Python, Go, or Rust.
• Deep understanding of vulnerability frameworks (OWASP Top 10, SANS CWE Top 25).
• Familiar with Agile, CI/CD pipelines, and security tooling.
• Ability to convey complex risks to non-technical executives and engineers.
• Independent contributor capable of driving projects with minimal oversight.

Responsabilités

• Build threat models for critical systems with prioritized defenses.
• Collaborate with product, engineering, and infra to ship secure software across web, API, mobile, FIX.
• Lead security initiatives and develop AI-powered tooling to scale the cybersecurity program.
• Assess vulnerabilities and provide actionable recommendations with KPIs for executives.
• Drive high-impact projects in a fast-paced environment.
• Provide technical leadership and mentorship to cybersecurity and engineering teams.

Connaissances

Threat modeling

Penetration testing

Code reviews

Offensive security

Programming languages

Security tooling

Cloud platforms

Executive communication

CI/CD security

Outils

SAST

DAST

OSA

Vulnerability Management

API traceability

Description du poste

Bullish in London is seeking a Senior Security Architect to shape secure software across web, API, mobile, and trading platforms. You will lead hands-on security architecture and mentor teams to raise our security bar to industry-leading levels.

Based in SoHo, this full-time onsite role requires deep experience in threat modeling, coding, and cloud security, with the ability to communicate risk to executives and collaborate with product and engineering teams.