Senior Software Engineer – User Identity, Messaging & Trust Infrastructure

Quizlet • San Francisco, CA

57d • Onsite

About The Position

At Quizlet, our mission is to help every learner achieve their outcomes in the most effective and delightful way. Our $1B+ learning platform serves tens of millions of students every month, including two-thirds of U.S. high schoolers and half of U.S. college students, powering over 2 billion learning interactions monthly. We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike. We’re energized by the potential to power more learners through multiple approaches and various tools. Let’s Build the Future of Learning Join us to design and deliver AI-powered learning tools that scale across the world and unlock human potential. About the Role: As a Senior Software Engineer, you will take ownership of key systems powering Quizlet’s identity, messaging, and trust infrastructure. You’ll design and implement scalable authentication, consent, and compliance solutions that ensure our millions of learners can connect safely and confidently. You’ll collaborate closely across engineering, security, and product to embed privacy and reliability into our platform. We’re happy to share that this is an onsite position in our San Francisco office. To help foster team collaboration, we require that employees be in the office a minimum of three days per week : Monday, Wednesday, and Thursday and as needed by your manager or the company. We believe that this working environment facilitates increased work efficiency, team partnership, and supports growth as an employee and organization.

Requirements

• 5+ years of backend or platform engineering experience in production systems.
• Strong experience with Node.js , Go, Python, or TypeScript.
• Familiarity with OAuth2, SSO, MFA, and privacy frameworks (e.g., GDPR, COPPA).
• Proven ability to deliver complex features end-to-end.
• Strong communication and collaboration skills.

Responsibilities

• Design and deliver backend services for authentication and account lifecycle management.
• Scale consent and messaging systems to meet new product and regulatory needs.
• Lead initiatives that enhance reliability, observability, and performance.
• Collaborate cross-functionally with security, legal, and marketing teams.
• Mentor junior engineers and contribute to engineering best practices.

Benefits

• Total compensation for this role is market competitive, including a starting base salary of $170,880 - $231,600, depending on location and experience, as well as company stock options
• Collaborate with your manager and team to create a healthy work-life balance
• 20 vacation days that we expect you to take!
• Competitive health, dental, and vision insurance (100% employee and 75% dependent PPO, Dental, VSP Choice)
• Employer-sponsored 401(k) plan with company match
• Access to LinkedIn Learning and other resources to support professional growth
• Paid Family Leave, FSA, HSA, Commuter benefits, and Wellness benefits
• 40 hours of annual paid time off to participate in volunteer programs of choice

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 251-500 employees