We are seeking a senior backend engineer with expertise in cryptography to join our team focused on developing and maintaining HashiCorp Vault. In this role, you will work closely with security experts to enhance the cryptographic features of Vault, ensuring robustness and scalability for enterprise-level applications. Your day-to-day responsibilities include designing and implementing secure encryption algorithms, integrating third-party cryptographic libraries, and conducting thorough code reviews to maintain high standards of data protection. Proficiency in Go is essential, along with experience in Python or Ruby. Strong knowledge of cryptography principles, such as key management and digital signatures, is required. This position involves working on a product used by large-scale organizations to manage secrets and protect sensitive information across various cloud environments.