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 16, 2026. We may earn a commission when you click through.

If you're looking for a challenging environment to enhance application security, this could be your spot.

✓ Opportunity to work with multiple security teams ✓ Focus on critical financial applications ✓ Non-remote setting fosters teamwork

Senior Application Security Engineer

Brex

Updated 23 minutes ago

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Seattle

If you're looking for a challenging environment to enhance application security, this could be your spot.

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 providing various financial services tailored for businesses.

Key Highlights

✓ Collaborate with Security Operations and IT Infrastructure teams
✓ Focus on identifying and responding to security vulnerabilities
✓ Drive security initiatives within the Financial Scale organization
✓ Work in a non-remote setting in Seattle

💡 Honest Take: This position demands strong technical skills and collaborative spirit, ideal for seasoned engineers.

Pros

✓ Opportunity to work with multiple security teams
✓ Focus on critical financial applications
✓ Non-remote setting fosters teamwork
✓ Potential for career growth within Brex

Cons

✗ Non-remote work may limit flexibility
✗ Requires high-level expertise
✗ Fast-paced environment could lead to burnout

Best For: Ideal for those who thrive in collaborative environments and have a deep understanding of application security.

Watch Out: Expect a high-pressure setting and the need for constant learning to keep up with security trends.

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What Customers Say

Employees appreciate the collaborative atmosphere but note the demanding nature of the work.

Expert Review

Brex's Senior Application Security Engineer position is designed for seasoned professionals. Expect to engage closely with Security Operations and GRC, making it essential for those who enjoy teamwork. The role focuses on identifying and addressing security vulnerabilities within financial applications, a critical area in today's tech landscape.

This role is non-remote, which can be a double-edged sword. While it promotes collaboration, it also limits flexibility for those who prefer remote work. Candidates should be prepared for a fast-paced environment that demands a high level of expertise and quick adaptation to new technologies.

Financial technology is evolving rapidly, and Brex is at the forefront. Working here means you'll contribute to shaping security practices for crucial applications. Those looking for a dynamic space to grow their skills will find it rewarding. For more details, check Brex's page at Brex Careers.