This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
Quizlet is seeking a Senior Software Engineer to design and implement APIs and integrations for their Partner Platform, enhancing the learning experience through innovative technology. You’ll help define the architecture for our LearnOS plugin system, build developer tooling, and collaborate across teams to ensure secure, scalable, and discoverable services.
Job Responsibility:
Design and deliver APIs powering partner integrations and agentic workflows
Develop infrastructure for Quizlet widgets and embedded experiences in LMS and productivity tools
Build developer-facing tools, SDKs, and plugin frameworks for external integrations
Ensure API reliability, scalability, and security through rate-limiting and observability
Mentor junior engineers and contribute to platform standards and design reviews
Requirements:
5+ years of backend or platform engineering experience, with a strong focus on API design
Proven experience building extensible platforms, including REST/gRPC APIs, SDKs, plugin frameworks, or integration systems
Experience designing and operating multi-tenant, high-availability systems
Solid understanding of platform security best practices, including OAuth2, rate limiting, and access control
Hands-on experience with one or more of Go, Python, Node.js, or TypeScript
Strong collaboration skills with a product-focused engineering mindset
Nice to have:
Familiarity with AI interoperability, agentic systems, or workflow orchestration
What we offer:
Collaborate with your manager and team to create a healthy work-life balance
20 vacation days
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