Senior Software Engineer, Core Identity (Auth0)

Join Okta's Core Identity organization, a global engineering team focused on the heart of our authentication platform. As a Senior Software Engineer, you will design, build, and operate critical services that enable secure identity for millions of users worldwide. The Product

Auth0 is a developer-friendly identity platform that simplifies authentication and authorization for applications. Designed by developers for developers, it provides secure, seamless access for more than 100 million daily logins. The Core Identity Organization

We own the authentication pipeline, identity protocols, user sessions, and all the foundational components of Auth0. Our engineers build robust, high-scale systems that directly impact millions of users daily., As a Senior Software Engineer, you will primarily work with NodeJS (TypeScript/JavaScript) and distributed systems on AWS and Azure. You will own technical quality, security, reliability, and scalability, drive architectural improvements, and advocate engineering best practices. What You Will Do

• Join a fast-paced, remote team across Central Europe and US or Canada EST.
• Build innovative features that extend Auth0's platform capabilities.
• Own technical quality, security, reliability, and scalability of our systems.
• Collaborate with Product, Security, Design, Architecture, and QA teams to deliver delightful features.
• Deepen expertise in identity, security, and modern cloud technologies (AWS, Azure).
• Mentor engineers and contribute to a culture of technical excellence.
• Participate in an on-call rotation to keep critical services healthy and reliable.

• 4+ years of professional software development experience.
• Proficiency building backend services with Node.js (JavaScript or TypeScript).
• Experience designing, building, and operating distributed systems in a cloud environment.
• Strong commitment to quality with unit, integration, and end-to-end testing.
• Product-oriented mindset with a deep understanding of customer needs.

Nice to Have

• Experience in the identity and access management (IAM) domain.
• Knowledge of security engineering principles and application security best practices.
• Experience working effectively in a distributed, remote-first team.

• Amazing benefits and perks.
• Meaningful social impact.
• Talent development and community focus.