Quizlet

About the Company

Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers. Our team is already supporting a user base of over 60 million active users a month. We're also among the top 20 U.S. websites and top education apps for iOS and Android - and it's only the beginning. We’re a fast-growing Series C startup, valued at $1 Billion and backed by Union Square Ventures, Costanoa Venture Capital, Icon Ventures, Owl Ventures, Altos Ventures and General Atlantic.

With our massive reach and focus on delivering high-quality innovative learning tools, we're having a major global impact on education. Read more at https://quizlet.com/mission. Come join us — we're hiring!

Listed Jobs

Company Name

Quizlet

Job Title

Software Engineer - Partner Platform, APIs & Ecosystem Services

Job Description

**Job Title:** Software Engineer – Partner Platform, APIs & Ecosystem Services **Role Summary:** Design, develop, and maintain secure, high‑performance REST and gRPC APIs that enable external developers, AI agents, and educational platforms to integrate with Quizlet’s content and intelligence services. Collaborate with cross‑functional teams to build the underlying platform for LearnOS, contribute to SDKs and developer tooling, and drive reliability, security, and documentation standards. **Expectations:** - Minimum 2 years of professional software engineering experience focused on backend, platform, or API development. - Proven ability to design and implement REST or gRPC APIs, handle authentication (OAuth 2.0), and build event‑driven systems. - Strong programming skills in Node.js, Go, Python, or TypeScript. - Curiosity and engagement with platform ecosystems, AI integration, and developer experience. - Excellent collaboration, communication, and continuous learning mindset. **Key Responsibilities:** - Build and maintain REST and gRPC APIs for partner integrations and internal services. - Design and evolve systems that support LearnOS and agentic learning experiences across product lines. - Work with product, security, and operations teams to ensure APIs are reliable, secure, and well‑documented. - Contribute to internal SDKs, API tooling, and frameworks that enable developer onboarding and usage. - Participate in architectural reviews, code reviews, and design discussions to improve performance and reliability. **Required Skills:** - Backend/API development (REST, gRPC). - Authentication and authorization (OAuth 2.0). - Event‑driven architecture (message queues, streams). - Proficiency in Node.js, Go, Python, or TypeScript. - Knowledge of secure coding practices and API documentation standards. - Strong debugging, testing, and performance optimization skills. - Effective collaboration across multidisciplinary teams. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a closely related field, or equivalent professional experience. - Relevant certifications (e.g., AWS Certified Developer, Google Cloud Professional – Developer, or equivalent) are a plus but not mandatory.

San francisco, United states

On site

Junior

25-11-2025

Company Name

Quizlet

Job Title

Senior Staff Site Reliability Engineer - Platform

Job Description

Job title Senior Staff Site Reliability Engineer – Platform Role Summary Architect and lead the technical vision for reliability, automation, and infrastructure at a globally distributed platform. Guide the design, scaling, and operation of critical services, influence cross‑team technical direction, and mentor senior engineers to embed reliability best practices throughout the engineering organization. Expectations - 10+ years in SRE, infrastructure, or systems engineering, with 5+ years in leadership or staff‑level roles. - Proven ability to design and implement self‑healing, highly available systems and modernize large‑scale infrastructure stacks. - Demonstrated influence on technical strategy across multiple teams and domains. Key Responsibilities - Define the strategic direction for reliability engineering and infrastructure automation. - Architect self‑healing, globally distributed systems delivering ≥99.95% uptime. - Drive modernization of the infrastructure stack—container orchestration, observability, control‑plane automation, and CI/CD pipelines. - Lead cross‑team initiatives to improve scalability, resilience, and security in partnership with product, AI platform, and other engineering groups. - Define and enforce reliability standards, SLO frameworks, and incident response practices. - Mentor senior engineers, fostering a culture of ownership and continuous improvement. Required Skills - Deep expertise with Kubernetes (particularly GKE) and service meshes such as Istio. - Proficiency in Terraform, CI/CD architecture, and infrastructure‑as‑code. - Strong programming in Go and Python; capability to architect automation frameworks. - Advanced knowledge of observability stacks (e.g., Datadog, Splunk, Prometheus) and distributed system performance tuning. - Experience scaling global platforms and building resilient automation for real‑time services. - Excellent communication, leadership, and cross‑functional influence skills. Required Education & Certifications - Bachelor’s degree (or equivalent practical experience) in Computer Science, Engineering, or a related technical field. - Relevant certifications (e.g., Certified Kubernetes Administrator, Google Cloud Professional Cloud Architect, or equivalent) are preferred but not mandatory.

San francisco, United states

On site

Senior

07-12-2025

Company Name

Quizlet

Job Title

Senior Site Reliability Engineer – Platform

Job Description

**Job Title**: Senior Site Reliability Engineer – Platform **Role Summary** Lead design and implementation of automation, observability, and systems architecture for a high‑scale AI‑powered learning platform. Deliver sustained 99.95% uptime while reducing operational toil and ensuring services meet stringent SLOs across global deployments. **Experiences** - 5+ years in SRE, infrastructure, or systems engineering. - Proven track record of improving reliability, reducing MTTR, and driving process excellence. **Key Responsibilities** - Build and maintain automation tools to guarantee 99.95% uptime under peak load. - Design self‑healing, auto‑remediation solutions for Kubernetes (GKE) clusters and Istio service mesh. - Optimize CI/CD pipeline (GitHub Actions, CircleCI, ArgoCD) to increase deployment velocity and reliability. - Implement deep observability and diagnostics with Datadog; lead post‑incident reviews. - Conduct capacity planning and performance tuning across Spanner, PlanetScale, BigQuery, and other databases. - Collaborate with product engineering to define, monitor, and enforce SLOs. - Write and maintain Terraform configurations and Kubernetes manifests. - Mentor peers and set best‑practice standards for reliability engineering. **Required Skills** - Strong proficiency in Go and/or Python for automating operational workflows. - Deep expertise in Kubernetes (GKE), Istio, distributed systems, and cloud infrastructure. - Hands‑on experience with CI/CD tools (GitHub Actions, CircleCI, ArgoCD) and IaC (Terraform). - Advanced knowledge of Datadog, incident response, and observability‑driven engineering. - Solid foundation in Linux, networking, and GCP or equivalent cloud environments. - Ability to design, deploy, and monitor high‑availability services at scale. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). - Relevant certifications (e.g., Google Cloud Professional Cloud Architect, Certified Kubernetes Administrator) are a plus.

San francisco, United states

On site

Senior

07-12-2025

Company Name

Quizlet

Job Title

Senior Software Engineer - Client Platform

Job Description

**Job Title** Senior Software Engineer – Client Platform **Role Summary** Lead the design, development, and maintenance of scalable systems that resolve bottlenecks for web and mobile clients. Collaborate across Mobile, Web, Backend, and Platform teams to create cross-platform solutions, toolings, and monitoring that enable consistent patterns and efficient feature delivery. **Expectations** - Own undefined, high‑ambiguous initiatives, shaping day‑to‑day delivery. - Partner with engineering leads and Product to define, roadmap, and ship key client‑platform features. - Influence architectural decisions across multiple teams and maintain strong cross‑functional communication. - Champion continuous improvement through incident investigation, post‑mortem, and long‑term system optimization. **Key Responsibilities** - Design, build, and maintain scalable client‑side systems to remove performance and constraint issues. - Standardize and deliver analytics logging, feature flagging, deep linking, and end‑to‑end testing tooling for Mobile and Web clients. - Implement monitoring, alerting, and operational excellence practices. - Conduct incident investigations, drive root‑cause analysis, and lead post‑mortem actions. - Stay current with industry trends and integrate new solutions to increase efficiency and reduce costs. - Mentor and coordinate with dependent or collaborating teams, ensuring alignment and quality. **Required Skills** - 5+ years of software engineering experience, with a strong mobile focus. - Expertise in modern programming languages (e.g., Swift, Kotlin, Java, JavaScript/TypeScript) and cross‑platform development. - Strong problem‑solving, debugging, and architectural skills across backend and frontend systems. - Proven ability to ship complex, cross‑platform feature sets. - Excellent verbal and written communication with diverse audiences. - Collaborative mindset with a track record of influencing multi‑team engineering decisions. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience. - (Optional) Any related certifications that demonstrate advanced technical expertise.

London, United kingdom

On site

Senior

24-12-2025