Quizlet · 1 month ago
Site Reliability Engineer - Platform
San Francisco, CA
Full-time
Onsite
Senior Level
$110K/yr - $230K/yrQuizlet is a leading learning platform with a mission to help every learner achieve their outcomes. They are seeking an experienced Site Reliability Engineer to develop software and automation for scaling their platform, ensuring high availability and performance of AI features.
E-LearningEdTechEducationInternetKnowledge Management
Responsibilities
Develop, test, and implement high-volume connection management and auto-scaling logic (in Go) for our 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 our Mean Time To Resolution (MTTR)
Optimize our 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 measurably reduce operational toil
Act as a senior subject matter expert, partnering directly 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 our transactional and analytical databases (Spanner, PlanetScale, BigQuery), optimizing query execution and eliminating hot-spotting
Qualification
Required
Proven History of Architectural Ownership and driving reliability initiatives within complex, distributed production environments as an SRE, DevOps, or Infrastructure Engineering role
Core Systems Development: Proficiency in Go and/or Python, with a 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 (like a PHP/HHVM/Hack monolith) while driving modernization efforts
Deep operational and architectural knowledge of Kubernetes (GKE) and the complexities of service mesh (Istio) networking in a high-volume environment
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, and a proven ability to perform deep-dive root cause analysis under production load using systems like Jeli
Solid understanding of Linux systems, networking, and the challenges of large-scale distributed cloud architectures on GCP (AWS or equivalent)
Benefits
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
Company
Quizlet
Quizlet is a learning platform that uses activities and games to help students practice and master what they’re learning.
Founded in 2005
201-500 employees
H1B Sponsorship
Quizlet has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (10)
2023 (7)
2022 (9)
2021 (1)
2020 (8)
Funding
Current Stage
Growth StageTotal Funding
$62MKey Investors
General AtlanticIcon Ventures
2020-05-13Series C· $30M
2018-02-06Series B· $20M
2015-11-23Series A· $12M
Leadership Team
Kurt Beidler
Chief Executive Officer
David Margulius
Board Member and Co-Founder
Recent News
2025-10-31
South Africa Today
2025-09-12
Mark Cuban Foundation
2025-09-09
Company data provided by crunchbase