Senior Software Engineer (Identity)

Role Description

Our team's mission at Scribd is to grow revenue and reduce costs through sophisticated, reliable, and secure authentication solutions. The Identity full-stack team works on projects that span Product, Infrastructure, Security, and Customer Support, supporting frontend and mobile teams via APIs. We have 200 million monthly visitors with more than 2 million active subscribers, receiving several million login and sign-up requests a day. The team builds and maintains secure protocols that protect user credentials and data during authentication, while providing a frictionless, seamless login and sign-up experience — keeping our authentication methods compliant with relevant security standards, regulations, and industry best practices.

Scope of this role:

• This position begins on Customer Support / self-service initiatives (e.g., self-service account recovery and cancellation, reducing support load).
• Transitions to core Identity roadmap projects (authentication, login & account-creation improvements, session management).

How we work with AI:

• AI-powered development tools like Claude Code and Cursor are integrated into our day-to-day engineering culture.
• We leverage these technologies for authoring code, troubleshooting complex bugs, and vetting architectural designs.
• Accountability remains paramount: you are expected to fully own every line of code you deliver and justify your technical decisions.
• Our hiring process features a specific AI Fluency assessment where you will collaborate with an AI assistant in a live environment.

Qualifications

• 4–6 years of professional software development experience.
• Strong written communication skills (we are a remote-first company).
• Proficiency in Ruby on Rails; experience with JavaScript/React (≈1 year is sufficient — this is a backend-focused role with some frontend).
• API integration skills, with a focus on authentication.
• Experience working with relational databases at scale, and proficient with SQL.
• Experience with complex backend systems, including MFA, email verification, and risk-based fraud detection.
• Familiarity with version control (Git).
• Enthusiasm — teammates who are ready to build and improve the way we build.
• Participate in the Identity squad on-call program. The 24/7 on-call rotation is shared among engineers and occurs every three weeks, with one week of on-call duty per engineer. Historically on-call is uneventful — about one page a month.
• Good overlap with the EST timezone (09:00–13:00 EST).
• AI Fluency: Comfortable using AI tools to accelerate development — and able to explain, defend, and own everything you produce with AI assistance.

Requirements

• Security fundamentals — best practices for handling sensitive user data and transactions.
• Experience with Customer Support tools such as Zendesk and Forethought.
• Familiarity with CIAM, SSO, SAML, MFA, and federation concepts.

Interview process

• Silver Recruiter Screen
• Silver Technical Screen
• Client Technical Interview
• Client Database Modeling Interview
• Client AI adoption Interview
• Client Final Interview