Considerable professional experience with Ruby on Rails. Experience in a scaling or mission critical SaaS product. Familiarity with authentication and authorization technologies (e.g., SAML, SSO, SCIM, LDAP, RBAC, IAM). Proficiency in English (written and verbal) for remote, asynchronous work. Demonstrated capacity to clearly and concisely communicate complex problems and solutions. Experience with performance and optimization problems, and ability to diagnose and prevent them. Comfort working in a highly agile, intensely iterative software development process. Positive and solution-oriented mindset. Experience owning a project from concept to production. Self-motivated and self-managing with strong organizational skills.