Oso

Oso is a New York-based software company specializing in authorization as a service, providing a robust platform for developers to build and manage access control within their applications. Their solutions are designed to offer proactive guardrails for production AI agents, including monitoring, access controls, and automated least privilege, ensuring that both human and AI users have the right permissions at the right time. Oso’s platform supports a range of authorization models—RBAC, ReBAC, and ABAC—through a declarative policy language, and is trusted by leading companies like Duolingo, Brex, and Productboard to centralize and streamline complex permission logic. The company is backed by top investors such as Sequoia and Felicis, and is recognized for its scalability, reliability, and developer-friendly tooling.

People interested in working at Oso will appreciate its focus on solving critical security challenges in the rapidly evolving AI and software landscape. The company fosters a culture of technical excellence and innovation, offering opportunities to work on cutting-edge authorization technology that impacts high-profile customers and the broader developer community. Employees benefit from a collaborative environment, the chance to shape industry standards for AI and application security, and the support of a well-funded, growth-oriented startup. Oso’s commitment to developer experience, transparency, and continuous learning makes it an attractive workplace for those passionate about building secure, scalable infrastructure for the next generation of applications.