We are seeking a senior backend engineer with expertise in cryptography to join our team focused on enhancing HashiCorp Vault. In this role, you will work closely with security and infrastructure teams to develop robust encryption solutions that protect sensitive data at scale. Your day-to-day responsibilities include designing and implementing secure APIs, integrating cryptographic modules, and ensuring compliance with industry standards. Proficiency in Go is essential, along with experience in Python or Ruby for scripting tasks. Strong knowledge of cryptography principles, key management systems, and cloud security practices is required. This position involves tackling complex business challenges related to data protection and privacy within a highly scalable and distributed system environment.