Senior Staff Backend Engineer

The Vault is seeking a Senior Staff Backend Engineer to contribute to its crypto custody platform, which serves both institutional and retail clients. In this hands-on role, the engineer will focus on developing complex backend components, including policy engines, signing orchestration, and key lifecycle workflows. The position emphasizes technical leadership without people management responsibilities, allowing the engineer to drive significant initiatives through code and design reviews. Candidates should be proficient in building high-load, multi-tenant SaaS systems and have experience with distributed systems and reliability concepts. Security is a key focus, requiring knowledge of best practices such as least privilege and secure secret handling. Familiarity with relational databases like Postgres is also important. The role is suited for individuals who can critically assess AI-generated code and are comfortable working in a fast-paced environment. The job location is in Yerevan, Armenia, but the advert does not specify the employment type or working arrangement.