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 15, 2026. We may earn a commission when you click through.

If you're looking for a senior role in application security with a diverse team, this could be a fit, but be ready for a demanding environment.

✓ Opportunity to work with various security teams. ✓ Focus on critical application security challenges. ✓ Direct impact on financial technology solutions.

Senior Application Security Engineer

Brex

Updated 2 minutes ago

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Seattle

If you're looking for a senior role in application security with a diverse team, this could be a fit, but be ready for a demanding environment.

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 businesses, helping them manage their expenses efficiently.

Key Highlights

✓ Collaborate with various security teams including Operations and IT.
✓ Focus on identifying and responding to security vulnerabilities.
✓ Work within the Financial Scale organization.

💡 Honest Take: This position requires strong technical skills and collaboration with multiple teams, which may not suit everyone.

Pros

✓ Opportunity to work with various security teams.
✓ Focus on critical application security challenges.
✓ Direct impact on financial technology solutions.

Cons

✗ Requires advanced technical skills.
✗ Fast-paced environment may be stressful.
✗ Limited remote work options.

Best For: Ideal for professionals with a strong background in application security and a knack for teamwork.

Watch Out: Be prepared for a demanding workload and the pressure of working in financial security.

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What Customers Say

Employees report a demanding work environment but appreciate the collaborative culture and the chance to make a significant impact.

Expert Review

The Senior Application Security Engineer position at Brex stands out for its emphasis on collaboration across various security domains. Working closely with Security Operations and IT Infrastructure means you'll be tackling real-world security challenges that impact the financial tech landscape. This isn't just another tech job; it's about securing essential systems that businesses rely on.

Expect to dive deep into identifying vulnerabilities and crafting responses that are both immediate and long-term. While this role promises growth and influence, it also demands a high level of technical expertise and adaptability. The pressure from a fast-paced environment can be intense, especially when dealing with sensitive financial data.

Brex isn’t shy about its commitment to application security, making this role essential for those who thrive on challenges. However, the lack of remote flexibility might deter some candidates. If you’re on the lookout for a senior role with significant responsibilities in a tech-forward company, this opportunity is worth considering. For more details, check Brex's listing on Talent.com.