Site Reliability Engineer, Core Systems Development at Quizlet

San Francisco, California, United States

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Not SpecifiedCompensation

Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, EdTechIndustries

Requirements

Proven history of architectural ownership and driving reliability initiatives in complex, distributed production environments as an SRE, DevOps, Infrastructure Engineer, or experienced Software Engineer (backend/systems) focused on reliability, performance, and operational excellence
Proficiency in Go and/or Python, with proven history of developing and deploying production-grade automation and control plane components for infrastructure teams
Experience providing hands-on operational support for critical, high-volume legacy codebases (e.g., PHP/HHVM/Hack monolith) while driving modernization efforts
Deep operational and architectural knowledge of Kubernetes (GKE) and service mesh (Istio) networking in high-volume environments
Expert experience with CI/CD systems (GitHub Actions, CircleCI, ArgoCD) and infrastructure-as-code tools (e.g., Terraform)
Mastery of high-volume monitoring and observability stacks like Datadog, with proven ability to perform deep-dive root cause analysis under production conditions

Responsibilities

Develop, test, and implement high-volume connection management and auto-scaling logic (in Go) for Kubernetes clusters; introduce and maintain self-healing and auto-remediation capabilities into core service layers to maintain 99.95% availability under peak load
Architect and implement tooling and automation that measurably improves Mean Time To Resolution (MTTR)
Optimize CI/CD toolchain (GitHub Actions, CircleCI, ArgoCD) by writing and hardening deployment controllers and safety checks
Design and deploy instrumentation within Datadog for high-volume monitoring; utilize deep-dive investigations and platforms like Jeli to drive architectural improvements that reduce operational toil
Act as senior subject matter expert, partnering with Product Engineering teams to review designs, define SLOs, and ensure new services are inherently resilient and operable before production deployment
Conduct advanced performance analysis and capacity planning for transactional and analytical databases (Spanner, PlanetScale, BigQuery), optimizing query execution and eliminating hot-spotting

Skills

Kubernetes

CI/CD

GitHub Actions

CircleCI

ArgoCD

auto-scaling

self-healing

Quizlet

Develops educational tools for students and teachers

About Quizlet

Quizlet develops educational tools designed to inspire and empower students and teachers. It serves over 60 million active users each month and is recognized as one of the top education apps available on iOS and Android. Quizlet's products include various learning tools that help users study and retain information effectively. The platform offers both free and premium subscription services, allowing users to access additional features and resources. Unlike many competitors, Quizlet has a large user base and a strong presence in the education technology market, which enhances its community and resource sharing. The company's goal is to create a significant global impact in education by providing accessible and effective learning solutions.

San Francisco, CaliforniaHeadquarters

2005Year Founded

$60.3MTotal Funding

SERIES_CCompany Stage

Consumer Software, EducationIndustries

501-1,000Employees

Benefits

Shared financial success: Competitive salaries, stock options and a 401k that makes saving for retirement easy.

Competitive healthcare: Comprehensive health, dental, vision and disability plans for you and your family.

PTO and family benefits: Everyone gets four weeks of PTO. Our generous family leave plan has you covered when you welcome a new, little learner into your family.

Professional development: Learning never stops. Get reimbursed each year for professional development, and learn from the best with regular tech talks.

A welcoming workplace: Enjoy free lunch and dinner with great company. Benefit from adjustable desks and employee lounges while taking in amazing views of the Bay.

Commuter benefits: We don’t have a school bus, but we'll help cover your public transportation and parking. If you decide to work late, your ride home is on us as well.

Risks

Increased competition from AI-driven platforms like Khan Academy and Duolingo.

Recent U.S. outage may decrease user trust and retention.

New CEO's strategic shifts could disrupt operations or alienate existing users.

Differentiation

Quizlet offers AI-powered features like Magic Notes and Memory Score for personalized learning.

The platform's gamification strategy includes features like Quizlet Challenge and Quizlet Learn.

Quizlet's Q-Chat beta feature aligns with the trend of conversational AI in education.

Upsides

Quizlet's new CEO, Beidler, may drive fresh strategic direction and innovation.

Intentional slowing of AI adoption focuses on quality, ensuring sustainable long-term growth.

AI-powered features enhance user engagement, potentially increasing retention and user base.

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