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.

For seasoned security engineers, this job offers solid collaboration opportunities and a chance to make a real impact.

✓ Strong team collaboration ✓ Focus on impactful security challenges ✓ Opportunity to work in a leading tech company

Senior Application Security Engineer

Brex

Updated 2 hours ago

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Seattle

For seasoned security engineers, this job offers solid collaboration opportunities and a chance to make a real impact.

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 fast-growing financial technology company focused on providing financial solutions for businesses.

Key Highlights

✓ Collaborate with Security Operations and IT teams
✓ Focus on identifying and responding to security vulnerabilities
✓ Work in a dynamic financial scale organization
✓ Engage in cross-departmental security initiatives

💡 Honest Take: This position demands advanced security skills and a proactive approach to threats, which might not suit everyone.

Pros

✓ Strong team collaboration
✓ Focus on impactful security challenges
✓ Opportunity to work in a leading tech company

Cons

✗ Limited salary transparency
✗ Position is based in Seattle
✗ Remote work is not an option

Best For: This position is suited for those with a deep understanding of security protocols and a desire to tackle complex security issues.

Watch Out: Be prepared for a fast-paced environment that may demand quick adaptation to evolving security challenges.

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Expert Review

At Brex, the Senior Application Security Engineer role is crucial for safeguarding applications. This position emphasizes collaboration across various teams like Security Operations and IT infrastructure. If you're driven by security challenges, this could be a rewarding fit.

Brex operates in a competitive financial landscape, making your skills vital for their success. You’ll be expected to proactively identify and address vulnerabilities, which can be both demanding and fulfilling. While the specifics on salary aren’t disclosed, the company’s reputation suggests competitive rates within the tech sector.

However, the lack of remote work options may deter some candidates. For those living outside Seattle, relocation would be necessary. Overall, this role is a great fit for individuals ready to engage deeply with application security in a rapidly evolving environment. More details can be found on Brex’s official page.