Backend Software Engineer

Quizlet • San Francisco, CA

7d • Onsite

About The Position

Quizlet is seeking Backend Software Engineers across multiple levels, from Staff to Principal. In this role, you will design, build, and operate backend services that power key product features and internal systems. You will work on high-impact systems requiring strong engineering fundamentals, thoughtful system design, and a focus on performance and reliability. Success will be measured by your ability to deliver scalable systems, improve platform quality, and drive engineering excellence. This is an onsite position in our San Francisco office, with a requirement to be in the office at least three days a week: Monday, Wednesday, and Thursday, to support collaboration.

Requirements

• Experience building and operating backend systems in production
• Strong fundamentals in system design, APIs, and distributed systems
• Experience with modern backend technologies (e.g., Java, Kotlin, Python, Go or similar)
• Familiarity with cloud infrastructure and scalable architectures
• Ability to work across ambiguity and drive projects end-to-end
• Strong collaboration and communication skills

Responsibilities

• Design, build, and maintain scalable backend services and APIs
• Develop systems that are reliable, performant, and easy to operate
• Collaborate with Product, Frontend, Data, and Infrastructure teams to deliver end-to-end solutions
• Improve system architecture, performance, and scalability
• Contribute to observability, testing, and operational excellence
• Participate in system design, code reviews, and technical discussions

Benefits

• Company stock options
• Healthy work-life balance
• 20 vacation days
• Competitive health, dental, and vision insurance (100% employee and 75% dependent PPO, Dental, VSP Choice)
• Employer-sponsored 401k plan with company match
• Access to LinkedIn Learning and other resources to support professional growth
• Paid Family Leave
• FSA
• HSA
• Commuter benefits
• 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: Principal
• Education Level: No Education Listed