About the role

Responsibilities

Contribute to the next generation of Five9’s modern SaaS platform enabling AI-driven customer engagement
Design and develop highly available, scalable, and reliable microservices infrastructure
Build and enhance Identity & Access Management (IAM) systems supporting OAuth, security tokens, SSO, federation, and customer/partner identities
Apply cloud and open-source technologies to solve complex platform challenges
Troubleshoot production issues and provide operational support across the software stack
Collaborate with cross-functional engineering teams and drive technical excellence

Requirements

7+ years of related experience
Strong expertise in Java, APIs, Spring Security, and Web Authentication
Hands-on experience with SSO, SAML, OAuth, Federation, IDP, and CI/CD for identity platforms
Experience managing Ping Identity (architecture, configuration, and operations)
Ownership of production uptime, reliability, SLAs/SLOs, and incident response
Participation in 24/7 on-call rotation for identity-related systems
Experience in performance tuning microservices and database queries
Familiarity with distributed databases such as CockroachDB or Cassandra
Experience with cloud platforms (GCP preferred)

Experience with Okta IAM
Exposure to large-scale SaaS environments and platform modernization initiatives

Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.