San Francisco, CA Fulltime Security Engineer, Security Intern
At Square (squareup.com) we're looking for security experts excited about securing the future of payments. Security at Square is involved in all aspects of the stack: hardware, firmware, mobile, infrastructure, networks, crypto, web, and physical security.  The team is equal parts builder and breaker.
Standing invitation to all security folks in the Bay Area or visiting: come have lunch with us at Square. We'd love to meet you and talk about what you're working on. It is almost certainly relevant to us.
Contact me: mccauley [at] squareup.com