Application Security Engineers ensure the safety of data and dollars entrusted to us by working closely with product engineering teams to improve the security of Block applications. They collaborate with product teams to identify and mitigate risks to Block through the following:

• Discover security issues through penetration testing, source code review, and design review.
• Communicate the issues to teams across Block with clear recommendations for how to fix them. Assist with fixing issues as needed.
• Automate discovery and fixing of issues through code scanning and tool improvements.
• Support response to vulnerabilities discovered internally or externally.
• Design and implement security features and class mitigations in libraries and frameworks.

• 5+ years of relevant security experience
• Demonstrated experience in vulnerability discovery and remediation
• Experience in one or more of these areas:
  • Web security
  • Kubernetes, core infrastructure
  • Identity, authentication
  • Cryptography, HSM
  • Memory corruption
  • Mobile application security
  • Scripting, automation, programming

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Square is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page. 

Additionally, we consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

Perks

We want you to be well and thrive. Our global benefits package includes:

• Healthcare coverage
• Retirement Plans
• Employee Stock Purchase Program
• Wellness perks
• Paid parental leave
• Paid time off
• Learning and Development resources

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD54566975, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD54566975 is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.