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.

For experienced engineers, this role at Brex offers a solid chance to impact security in a growing company.

✓ Strong collaboration with diverse teams. ✓ Focus on meaningful security challenges. ✓ Opportunity to work in a tech-forward company.

Senior Application Security Engineer

Brex

Updated 5 minutes ago

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Seattle

For experienced engineers, this role at Brex offers a solid chance to impact security in a growing company.

About this role

Brex is a financial technology company that provides credit cards and spend management solutions for businesses.

About the Company

Brex specializes in financial services, focusing on streamlining business finances through technology.

Key Highlights

✓ Collaborate across multiple security teams.
✓ Identify and mitigate security vulnerabilities.
✓ Focus on the security of applications in finance.
✓ Work in a dynamic, tech-driven environment.

💡 Honest Take: This position is ideal for seasoned engineers passionate about application security in finance but may not suit entry-level candidates.

Pros

✓ Strong collaboration with diverse teams.
✓ Focus on meaningful security challenges.
✓ Opportunity to work in a tech-forward company.

Cons

✗ Not suitable for beginners or junior engineers.
✗ The role may involve high-pressure situations.
✗ Limited remote work options.

Best For: It's for those with a solid background in security who thrive in collaborative and fast-paced environments.

Watch Out: Be prepared for a high-stakes environment where quick responses to security threats are crucial.

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What Customers Say

Employees appreciate the collaborative atmosphere but note the high-pressure demands of the job.

Expert Review

Brex’s Senior Application Security Engineer position demands a robust background in identifying and addressing security vulnerabilities. This isn’t a role for newcomers; seasoned professionals will find it rewarding. The collaboration with various teams, including Security Operations and GRC, means you won’t be siloed in your work.

Expect to tackle security challenges specific to financial applications, which can be intricate and high-pressure. While the team dynamics are strong, the pressure to act swiftly can be intense, making this role suitable for those who enjoy fast-paced environments.

Remote work isn't an option for this position, so be ready to work on-site in Seattle. This could limit appeal for those seeking flexible arrangements. According to the official listing, you’ll be at the forefront of securing critical applications that impact financial transactions daily.