Quizlet
Sr. Software Engineer, Web Foundations
San Francisco, CA · Hybrid · Senior · Full-time · Posted Oct 23, 2026
- Experience
- 5+ years of software engineering experience.
About the job
Designs and operates Quizlet’s authentication, account, and shared platform systems, delivering secure, reliable changes and migrations for millions of learners.
What you'll do
- Build and operate authentication and account systems, including login, signup, SSO, sessions, and account security.
- Lead safe, incremental migrations and define APIs, data models, and service boundaries for shared platform services.
- Strengthen privacy, security, and reliability; lead architecture work and mentor engineers.
What they ask for
- 5+ years of software engineering experience with a strong backend or full-stack foundation.
- Hands-on experience building or operating authentication and identity systems.
- Experience migrating or re-architecting live systems incrementally without downtime or data loss.
- Strong skills in API design, data modeling, relational databases, and distributed or event-driven systems.
Nice to have
- Experience with managed identity platforms such as Auth0, Okta, Amazon Cognito, or Firebase Authentication.
- Familiarity with student and child privacy requirements such as COPPA, FERPA, or GDPR.
Tools
MySQL, PostgreSQL, Pub/Sub, PHP, Terraform, Kubernetes, Google Cloud, GrowthBook
Model-written summary · the original posting is authoritative