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 18, 2026. We may earn a commission when you click through.

If you're ready to tackle serious security challenges in finance, this could be a great fit.

✓ Engaging work environment ✓ Opportunity to work with various teams ✓ Potential for career growth

Senior Application Security Engineer

Brex

Updated 1 hour ago

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Seattle

If you're ready to tackle serious security challenges in finance, this could be a great fit.

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 focuses on providing financial solutions for startups and businesses.

Key Highlights

✓ Collaborative work with multiple security teams
✓ Focus on identifying and responding to security vulnerabilities
✓ Senior-level position with significant impact
✓ Part of a wider Financial Scale organization

💡 Honest Take: This role is ideal for experienced security professionals looking to make a real impact in a growing tech company.

Pros

✓ Engaging work environment
✓ Opportunity to work with various teams
✓ Potential for career growth
✓ Focus on impactful security measures

Cons

✗ Not a remote position
✗ May require on-call duties
✗ Fast-paced work may lead to high stress

Best For: This is for those with a strong background in application security, particularly in finance-related sectors.

Watch Out: Be prepared for a demanding work environment that may not suit everyone.

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What Customers Say

Feedback from employees highlights a supportive culture but notes the high demands of the role.

Expert Review

In the Senior Application Security Engineer role at Brex, you're stepping into a critical position that involves close collaboration with various security teams. This isn't just another job; it's an opportunity to drive significant change in how Brex approaches security. The focus on responding to vulnerabilities means you'll be on the front lines of protecting financial data.

The finance sector can be high-stakes, and this position reflects that reality. While it offers the chance to work with top-notch teams, it's not a remote position, which could be a dealbreaker for some. Moreover, the fast-paced environment may lead to increased stress, especially when responding to urgent security threats.

Our editorial team appreciates Brex's commitment to fostering a collaborative work culture. However, it's crucial to note that the demands of this role may not align with everyone’s expectations. If you're looking for a laid-back job, this won't be it. Instead, expect an engaging yet challenging landscape where your skills will be tested daily. For more information, check out Brex's official page at Brex Careers.