Senior Software Engineer, Identity & Security Foundation (ISF)

Box

Redwood City, United States Posted October 26, 2026

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On-site Full-time Senior
Job Description

Join Box, the leader in Intelligent Content Management. As a Senior Software Engineer in the Identity & Security Foundation team, you will design, develop, and maintain secure authentication and authorization systems. You will have the opportunity to influence company-wide architectural decisions and mentor other engineers. This role requires a strong understanding of modern authentication technologies, experience in building secure services, and proficiency in Java and PHP.

  • Design, develop, and maintain secure, scalable authentication and authorization systems using technologies such as Java, PHP, Docker, and Kubernetes.
  • Build and operate high-quality microservices that power security capabilities including MFA, SSO, OAuth 2.0, OIDC, JWTs, token management, scopes, and permissions.
  • Provide technical guidance across multiple levels of architecture and mentor engineers on the team, helping raise the bar for engineering and security practices.
Required Skills
software development Java PHP Docker Kubernetes microservices MFA SSO OAuth OpenID Connect
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