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About the role
Flexport builds technology for global trade; companies use it to move more than $19B of goods across 112 countries a year. As a Staff Security Engineer on the Product Security team you make Flexport's products secure by design, from architecture and threat modelling to vulnerability management.
Key responsibilities
- Define security architecture and secure-by-default patterns for Flexport's products
- Lead security reviews of the highest-risk features
- Run threat modelling and attack surface analysis
- Triage and prioritise bug bounty and vulnerability findings
- Grow the security champions programme and training
Requirements
- Typically 8+ years in product or application security, building security tools
- Designed security architecture that scales across many teams
- Strong web application security and testing tools such as Burp Suite
- Builds tools in Go, Python, Java/Kotlin, TypeScript or Ruby
- Led multi-team initiatives and mentored engineers
Location and schedule
- Onsite at Flexport's San Francisco office
Salary and benefits
US base salary $221,484 to $270,703 a year, depending on location. Flexport also offers benefits; the full list is on the posting.
How to apply
Apply on the company's own site.

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