Senior AppSec Engineer — AI‑First Security Tools

Gemini; Miami (FL); Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

Competitive pay

Discretionary annual bonus

Equity grant

Health plans

401K matching

Parental leave

Flexible time off

Job summary

Gemini is seeking a Senior Application Security Engineer to partner with engineering, product, and business teams across Gemini. You will guide teams to design and build secure products while embedding security judgment into every team.

Gemini is AI‑first and AppSec builds the tools to make this vision secure. This role focuses on secure design reviews, threat modeling, code reviews, and developing AppSec tooling, including AI agents for secure design and automated pipelines, with a hybrid US

Qualifications

• 5+ years of application security or similar roles.
• Experience in design reviews, threat modeling, secure code reviews, or penetration testing.
• Experience building or contributing to security tooling and automation.

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 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

Skills

Secure design reviews

Threat modeling

Secure code reviews

Penetration testing

Security tooling & automation

Cross-functional collaboration

Security communication

Tools

AI tooling

SAST/DAST pipelines

CI/CD security controls

Vulnerability remediation tooling

Job description

Gemini is seeking a Senior Application Security Engineer to partner with engineering, product, and business teams across Gemini. You will guide teams to design and build secure products while embedding security judgment into every team.

Gemini is AI‑first and AppSec builds the tools to make this vision secure. This role focuses on secure design reviews, threat modeling, code reviews, and developing AppSec tooling, including AI agents for secure design and automated pipelines, with a hybrid US