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.

If you're looking to dive deep into application security within a dynamic financial setting, this role is worth considering.

✓ Strong collaboration with various security teams. ✓ Focused on real-world security challenges. ✓ Part of a growing financial organization.

Senior Application Security Engineer

Brex

Updated 1 hour ago

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Seattle

If you're looking to dive deep into application security within a dynamic financial setting, this role is worth considering.

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 services company that specializes in providing corporate cards and spend management solutions for businesses.

Key Highlights

✓ Collaborate with Security Operations and IT teams.
✓ Focus on identifying and responding to security vulnerabilities.
✓ Work within a financial scale organization.

💡 Honest Take: This position requires extensive experience in application security, making it best suited for seasoned professionals.

Pros

✓ Strong collaboration with various security teams.
✓ Focused on real-world security challenges.
✓ Part of a growing financial organization.

Cons

✗ Requires significant prior experience.
✗ Not a remote position, which may limit applicant pool.
✗ Fast-paced environment may lead to high demands.

Best For: Ideal for professionals with a solid background in application security and a desire to tackle complex security issues.

Watch Out: Be prepared for a demanding workload and potential stress in a high-stakes environment.

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What Customers Say

Employees appreciate the collaborative culture but note the high demands and fast pace of the work.

Expert Review

Brex is making its mark in the financial services sector, particularly with its focus on security. As a Senior Application Security Engineer, you'll tackle key vulnerabilities in a collaborative setting with multiple security teams. This role is not for the faint-hearted; it demands a deep understanding of application security principles and practices.

A significant aspect of this position is the collaboration with Security Operations and IT Infrastructure teams. The ability to communicate effectively across departments is crucial. If you're used to working in siloed environments, this may be a challenging transition.

While the role offers a clear path for those looking to advance their careers, it is important to note that this is not a remote position. Candidates must be ready to work in Seattle, which could deter some applicants. The fast-paced financial environment may also come with increased pressure, so it’s essential to assess your fit for such dynamics.

According to Brex's official page, the company is looking for senior-level engineers, indicating that only those with substantial experience should apply. If you thrive in a challenging role and want to contribute to financial security, this could be your next career move.