Key skills

Application SecurityThreat ModelingSecure Code ReviewPenetration TestingSecurity Tooling DevelopmentSecurity AutomationCommon Vulnerabilities SSRFCommon Vulnerabilities Race ConditionsCommon Vulnerabilities Privilege EscalationsPythonScalaC++JavaScriptAI Application Security ToolingSupply Chain SecuritySLSA FrameworkOWASP SPVSCI/CD Security ControlsMicroservice ArchitecturesCloud-native EnvironmentsFinancial Services SecurityFintech SecurityCryptocurrency SecurityCAIGeminiCI/CDCommunicationOWASP

About this role

Gemini is a global crypto and Web3 platform, and they are seeking a Senior Application Security Engineer to join their Application Security team. This role involves leading secure design reviews and building security tools to ensure the security of products during development.

Responsibilities:

Lead secure design reviews, threat modeling, code review, and penetration testing for high-risk products such as crypto custody, trading systems, and payments
Build and ship code: design and build AppSec tooling including AI agents for secure design and code review, AI-enhanced SAST/DAST pipelines, and automation that eliminates repeatable security toil
Partner with engineering teams to remediate vulnerabilities and drive long-term improvements in secure coding practices

Requirements:

5+ years of experience in application security or similar roles
Ability to perform design reviews, threat modeling, secure code reviews, or penetration testing with an attacker mindset
Experience building or meaningfully contributing to security tooling and automation
Strong background in application security best practices and familiarity with common vulnerabilities (e.g. SSRF, race conditions, privilege escalations, etc.)
Some background in development or scripting experience (Python, Scala, C++, or JavaScript) with the ability to read and write code
Strong communication skills to influence without authority and the ability to collaborate on a cross-functional team with competing priorities
Experience building AI application security tooling using agents or skills
Experience with supply chain security, common frameworks (SLSA, OWASP SPVS) and other CI/CD security controls
Familiarity with highly regulated environments (financial services, fintech, crypto, or equivalent) and ability to understand business objectives, business context, and security risk
Experience with preventing application security vulnerabilities at scale through secure design patterns, automated tooling, or frameworks
Experience with microservice architectures and cloud-native environments