Software Engineer II, Test Frameworks & Tooling
Klaviyo · Boston, MA
About this role
**Software Engineer II, Test Frameworks & Tooling** **Why You Should Join** Engineering confidence is our primary product. Build sophisticated automation and CI/CD frameworks that empower every engineer to ship at terminal velocity with total confidence. Your work directly drives Sev-1 incidents toward zero. **Key Responsibilities** • Own and enhance integration and E2E testing frameworks across backend and frontend stacks • Optimize CI/CD test execution for fast feedback loops • Establish repository standards and code quality measures • Develop scalable tools for data mocking and service isolation • Lead AI-driven quality innovation for automated regression detection and test generation • Partner with feature teams to troubleshoot flaky tests and identify coverage gaps • Monitor test suite and CI pipeline health **What Makes This Exciting** • Direct impact on platform stability and customer satisfaction • Full-stack visibility across frontend UI to backend microservices • Autonomy to own work end-to-end and propose technical improvements • High-leverage work used by hundreds of engineers daily **Who You Are** • 2+ years software engineering experience with focus on clean, maintainable code • Strong debugging and root-cause analysis skills • Comfortable working across the full stack (React, Python, Go, etc.) • Excited about AI's intersection with software quality • Ownership mindset—proactive about improving systems • Familiar with CI/CD tools and modern deployment pipelines **Tech Stack** Backend: Python, Django, Go | Frontend: React, TypeScript, JavaScript | Testing: Playwright, Cypress, Pytest, Jest | Infrastructure: AWS, Kubernetes, Terraform, Buildkite | Data: MySQL, Redis, Kafka **Compensation & Benefits** Base Pay: $116,000–$174,000 USD | Includes annual bonus, equity, comprehensive health/wellness benefits **Travel**: Up to 10% for onboarding, team meetings, and industry events
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