Senior Application Security Engineer

Brex

Application Security is part of our wider Financial Scale organization, which means you will work closely with Security Operations, GRC, Product Security, Front End Platform, IT Infrastructure teams. As a Senior Application Security Engineer, you...

Last checked on May 17, 2026. We may earn a commission when you click through.

Brex offers a solid platform for seasoned security engineers, but the responsibilities may be demanding.

✓ Collaborative work environment. ✓ Focus on real-world security challenges. ✓ Good exposure to various security disciplines.

Senior Application Security Engineer

Brex

Updated 29 minutes ago

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Seattle

Brex offers a solid platform for seasoned security engineers, but the responsibilities may be demanding.

About this role

Brex is a financial technology company that provides credit cards and spend management solutions for businesses.

About the Company

Brex is a financial technology company that provides innovative banking solutions for businesses, focusing on streamlining financial operations.

Key Highlights

✓ Collaborate with multiple security teams to enhance application security.
✓ Focus on identifying and responding to security vulnerabilities.
✓ Opportunity to work in a dynamic financial technology environment.

💡 Honest Take: If you're experienced in application security, this position at Brex could be a good fit, but it's not for entry-level candidates.

Pros

✓ Collaborative work environment.
✓ Focus on real-world security challenges.
✓ Good exposure to various security disciplines.

Cons

✗ Not suitable for less experienced professionals.
✗ Potentially high-pressure work conditions.
✗ Limited remote flexibility.

Best For: Ideal for those with a strong background in application security and a passion for financial technology.

Watch Out: Be prepared for a fast-paced environment where security threats are constantly evolving.

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What Customers Say

Current employees appreciate the teamwork and focus on security, but highlight the demanding nature of the work.

Expert Review

Brex's Senior Application Security Engineer role emphasizes collaboration across various security teams, including Security Operations and Product Security. This position is designed for those who can stay ahead of evolving security threats in the financial sector. If you have a solid background in application security, this could be a challenging yet rewarding environment.

Candidates should be ready to tackle real vulnerabilities and contribute to the company's security posture. The focus on application security means you'll be working on critical issues that directly impact the company's operations. However, this isn't a role for newcomers; the experience level is set high.

The Seattle-based position requires not just technical skills but also the ability to work under pressure. Brex's dynamic nature means you'll need to adapt quickly, which is appealing for seasoned professionals but could be overwhelming for those without extensive experience. For more details, check Brex's official page for this role.