Staff Application Security Engineer

Brex

Hybrid

Quick summary

Work type
Hybrid
Location
San Francisco, CA
Salary
$240,000–$300,000 / yr
Posted
2 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $183k
This role $270k
$115k most similar roles pay here $320k

This role pays more than 97% of similar roles. Most pay $151,643–$215,065 — the shaded band above. At the midpoint, this role pays about $270k versus about $183k for comparable roles.

Based on 240 similar postings.

Employer

About Brex

Brex is a financial technology company providing corporate credit cards, cash management accounts, and expense management software designed specifically for startups and growing technology companies. Industry: Financial Technology & Corporate Banking

Brex currently has 30 open roles on FindRole.

Listed pay typically runs $192,000–$240,000 across 29 roles with salary data.

Most-posted roles

View all roles at Brex

At a glance

TL;DR · Staff Application Security Engineer

As a Staff Application Security Engineer at Brex, you will lead the technical vision and strategic direction of the Application Security team, embedding security into high-velocity development pipelines across the engineering organization. Your day-to-day involves establishing secure defaults for product platforms, cloud infrastructure, and data engineering teams, while mentoring engineers to enhance their security expertise. You will architect and secure AI/ML workflows, identifying vulnerabilities in agentic architectures and distributed LLM systems, ensuring that Brex’s innovative financial services are robust against emerging threats. The role requires deep proficiency in Python or Go for building internal tooling and automation, alongside extensive experience with cloud-native container security and threat modeling complex topologies. With a focus on AI-driven financial solutions for high-impact companies, you will partner closely with product and engineering leaders to build secure AI capabilities that customers can trust.

What you'll do

  • Lead the technical vision and strategic roadmap for Application Security, aligning with enterprise growth.
  • Establish security standards across engineering to foster a culture of collaborative excellence.
  • Architect secure AI/ML workflows, mitigating risks in agentic-powered features.
  • Mentor engineers, guiding their technical growth and enhancing team delivery.
  • Drive proactive vulnerability discovery and offensive security testing strategies.

What we're looking for

  • 8+ years of experience in application security or software engineering with a focus on offensive and defensive strategies.
  • Proven leadership in complex security initiatives and team mentorship in fast-paced environments.
  • Deep expertise in AI security, including securing agentic architectures and evaluating adversarial vectors.
  • Strong systems thinking and extensive experience in defining secure product development lifecycles.
  • Proficiency in Python or Go for architecting internal tooling and pipeline automation.
  • Exceptional communication skills to influence technical leaders and manage cross-functional teams.

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