Software Engineer Iii, Isf

Box Box · Enterprise · Warsaw, Poland · Enterprise

Software Engineer III for the Identity & Security Foundation team at Box. This role focuses on building and operating core authentication, identity, and secure access infrastructure. While Box positions itself as an AI-first company and uses AI tools, the core responsibilities of this role are in backend systems engineering for security infrastructure, not direct AI/ML model development.

What you'd actually do

  1. Design, build, deploy, and operate mission-critical services that power authentication, identity, and secure access across Box.
  2. Improve the reliability, observability, and deployment safety of critical authentication infrastructure.
  3. Collaborate with engineers, product managers, security engineers, and partner teams to deliver secure platform capabilities.
  4. Participate in technical design and implementation of authentication and identity solutions.
  5. Participate in our on-call rotation and help investigate, triage, and resolve production issues.

Skills

Required

  • 4+ years of professional software engineering experience building backend or distributed systems
  • Strong Java development skills and a track record of delivering production software
  • Experience building and operating backend services in production environments
  • Strong understanding of software engineering fundamentals, including system design, testing, performance, scalability, and reliability
  • Strong problem-solving skills and the ability to debug complex technical issues
  • Effective communicator who enjoys collaborating across teams
  • Comfortable working in a fast-paced environment with evolving priorities

Nice to have

  • Experience in authentication, identity, authorization, or enterprise security domains
  • Familiarity with OAuth, OIDC, SAML, MFA, or related authentication technologies
  • Experience with Kubernetes and cloud platforms such as GCP, AWS, or Azure
  • Experience with PHP, TypeScript, and React is a plus
  • Prior experience working on internal platforms or systems requiring high reliability, security, and compliance

What the JD emphasized

  • AI-first company
  • backend
  • Java