Staff Application Security Engineer

Jobtailor; Town of Florida (NY); On-site; USD 150,000 - 190,000; Full time

Job summary

Jobtailor is seeking an experienced Application Security expert to own and evolve the Gemini SDLC guardrails for high‑risk applications and services. You will lead architecture reviews, threat modeling, secure code reviews, and penetration testing, and design AI‑driven security workflows across design, build, and deployment to reduce toil and strengthen protections.

You’ll also deliver hands‑on security training for engineers and participate in on‑call incident response and post‑incident

Qualifications

• Proven ability to perform design reviews, threat modeling, secure code reviews, and penetration testing with an attacker mindset.
• Strong background in application security best practices and familiarity with vulnerabilities (e.g. SSRF, race conditions, privilege escalations).
• Deep code review proficiency in Scala, Java, Go; hands-on experience in Python or Go for building.

Responsibilities

• Own and evolve the Gemini Secure Software Development Lifecycle guardrails as an application security subject matter expert.
• Lead architecture reviews, threat modeling, code reviews, and penetration testing for high-risk applications and services.
• Design and build AI agents throughout the SDLC for automated threat modeling during design, AI-driven secure code generation and review, and reducing AppSec toil.
• Create and deliver hands‑on application security training to enable engineers at scale.
• Participate in the Application Security on‑call rotation and lead post‑incident hardening.

Skills

Threat modeling

Secure code reviews

Penetration testing

Scala

Java

Go

Python

Code review

Vulnerability assessment

Cross-functional collaboration

Communication

OWASP Top 10

Job description

Own and evolve the Gemini Secure Software Development Lifecycle guardrails as an application security subject matter expert

Lead architecture reviews, threat modeling, code reviews, and penetration testing for high-risk applications and services

Design and build AI agents throughout the SDLC for automated threat modeling during design, AI-driven secure code generation and review, and reducing AppSec toil

Create and deliver hands‑on application security training to enable engineers at scale

Participate in the Application Security on‑call rotation and lead post‑incident hardening

Requirements

• Proven ability to perform design reviews, threat modeling, secure code reviews, and penetration testing with an attacker mindset


• Strong background in application security best practices and familiarity with common vulnerabilities (e.g. SSRF, race conditions, privilege escalations, etc.)


• Deep code review proficiency in Scala, Java, Go or other common languages, plus hands‑on experience in at least Python, Go, or similar for building. Comfortable reviewing production services written in other languages


• Experience implementing custom detection and prevention application security controls to eliminate application security issues beyond OWASP Top 10


• Familiarity with highly regulated environments (financial services, fintech, crypto, or equivalent) and ability to understand business objectives, business context, and security risk


• Strong cross‑functional communication and collaboration (Security, Engineering, and Product)


• Typically 7-10+ years of experience or equivalent impact in application security, product security, or similar roles

Core Competencies

Demonstrates expertise in application security, including threat modeling, secure code reviews, and penetration testing, while effectively communicating and collaborating across cross‑functional teams. Proficient in designing and implementing security controls in regulated environments, with a strong focus on reducing application security risks.

Highest-signal resume keywords

• Application Security Best Practices


• Threat Modeling


• Penetration Testing


• Code Review Proficiency in Scala, Java, Go


• Cross-Functional Communication

ATS Optimization Keywords

Hard Skills

• Threat Modeling


• Secure Code Review


• Penetration Testing


• Application Security Controls


• Scala


• Java


• Go


• Python


• Code Review


• Vulnerability Assessment

Soft Skills

• Cross-Functional Collaboration


• Communication

Industry Keywords

• Financial Services


• Fintech


• Crypto


• Regulated Environments


• OWASP Top 10