Senior Application Security Engineer

Brex

As a Senior Application Security Engineer, you'll work with multiple teams to identify and respond to security vulnerabilities in applications.

Last checked on May 29, 2026. We may earn a commission when you click through.

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Ideal for seasoned engineers looking to make an impact in application security within a fast-paced financial tech company.

✓ Collaborative work environment ✓ Opportunity to work on diverse security projects ✓ Strong company focus on security

Senior Application Security Engineer

Brex

Updated 7 hours ago
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Chicago

Ideal for seasoned engineers looking to make an impact in application security within a fast-paced financial tech company.

About this role

Brex is a financial technology company focused on providing modern financial solutions for businesses.

About the Company

Brex is a financial technology company that streamlines corporate spending and financial management for businesses.

Key Highlights

  • Collaborate with Security Operations and IT Infrastructure teams
  • Focus on identifying security vulnerabilities
  • Support a range of application security initiatives
  • Work in a dynamic financial tech environment

💡 Honest Take: This position requires strong technical skills and the ability to work across departments, which may not suit everyone.

Pros

  • Collaborative work environment
  • Opportunity to work on diverse security projects
  • Strong company focus on security

Cons

  • Not remote, requires working in-office
  • High-pressure environment may not suit everyone
  • Potentially limited career progression in a niche field

Best For: This job targets seasoned professionals who thrive in collaborative settings and can handle high-pressure situations.

Watch Out: Be prepared for a demanding work culture that may require long hours and tight deadlines.

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What Customers Say

Employees appreciate the collaborative culture but note the high-pressure work environment.

Expert Review

The Senior Application Security Engineer position at Brex offers tackle security challenges in the financial technology space. Collaboration across teams like Security Operations and IT Infrastructure is key, making it essential for candidates to possess strong communication skills alongside technical expertise.

Candidates should be ready for a fast-paced environment, where identifying and addressing security vulnerabilities is a daily task. Unlike positions in more traditional sectors, working at Brex means complexities of financial applications, which can be a steep learning curve for some.

While the company is committed to fostering a collaborative atmosphere, the role is based in Chicago, meaning remote work isn’t an option. This might deter those who prefer flexibility in their work arrangements. According to Brex's listing, the position emphasizes proactive security measures, which is critical in today’s digital landscape, especially in finance.

Overall, this position is best suited for those with significant experience in application security. If you’re looking to make a meaningful impact in a high-stakes environment, this could be your next career move.

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