Remote Senior Security Engineer - Bitcoin Platform

Description:

• The Senior Security Engineer position at Cash App involves working within the Bitcoin Platform Engineering team to co-design, co-build, and co-own security mechanisms and features to protect the entire lifecycle of Bitcoin holdings in production and at scale.
• Responsibilities include co-designing and co-building security mechanisms and features in Bitcoin platform production services, written in Kotlin and running on AWS.
• The role also entails maintaining and developing new capabilities for Subzero, an open-source cold storage system, including embedded applications that execute on Hardware Security Modules (HSMs).

Requirements:

• 8+ years of experience delivering quality software is required for this position.
• Candidates should have experience writing security-sensitive code or using cryptographic libraries.
• Familiarity with security protocols or protocol implementation is necessary.
• Experience with embedded systems, embedded C, firmware development, or embedded security is a must.
• Proficiency with technologies such as Secure Enclaves, TrustZone, SGX, AWS Nitro enclaves, HSMs, nCipher HSMs, or Codesafe is essential.
• Experience building security-sensitive applications in AWS is a requirement.
• A strong motivation to contribute to a meaningful product that will change the way people interact with financial institutions is expected.
• Candidates should have a strong desire to grow as a security engineer and mentor other engineers.
• Demonstrated technical initiative and leadership skills are necessary for this role.

Benefits:

• Full-time employee benefits include healthcare coverage (Medical, Vision, and Dental insurance).
• Additional benefits consist of Health Savings Account, Flexible Spending Account, Retirement Plans with company match, and an Employee Stock Purchase Program.
• Wellness programs, paid parental and caregiving leave, paid time off, and paid sick leave are provided.
• Learning and Development resources, paid Life insurance, AD&D, and disability benefits are part of the benefits package.
• The role is eligible to participate in the company's equity plan and may be eligible for a sign-on bonus.
• Block is committed to building an inclusive workplace and is an equal opportunity employer, evaluating all employees and job applicants consistently without discrimination.
• Reasonable accommodations are provided to disabled applicants throughout the recruitment process.
• The company is dedicated to creating a fair and inclusive interview experience and encourages applicants to share any needed accommodations with their recruiter.
• Block will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws.
• A criminal background check is required following a contingent offer of employment due to the role's involvement with sensitive personal or financial data.