Klaviyo
Software Engineer II, Test Frameworks & Tooling
$116K–$174K
Boston, MA +1 · Full-time · Posted Aug 24, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States - Experience
- 2+ years of software engineering experience.
About the job
Build and maintain testing frameworks, CI/CD tooling, and AI-enabled quality systems that help engineering teams ship reliable software.
What you'll do
- Own and improve backend and frontend integration and E2E testing frameworks, including test speed, reliability, and adoption.
- Optimize test execution and feedback in CI/CD; establish repository and testing standards and build tools for test data mocking and service isolation.
- Monitor test suites and CI pipeline health, troubleshoot flaky tests with feature teams, and develop AI-assisted regression detection, flaky-test analysis, and test generation.
What they ask for
- 2+ years of software engineering experience focused on clean, maintainable code.
- Experience debugging complex issues and performing root-cause analysis.
- Comfort working across the stack, including React and Python.
- Experience with CI/CD tools, or a strong desire to learn them, and understanding of automated testing in deployment pipelines.
Pay
$116,000 — $174,000 USD (base salary)
Tools
Python, Django, Go, React, TypeScript, JavaScript, Playwright, Cypress
AI focus
Explore and implement AI-powered automated regression detection, flaky-test analysis, and intelligent test generation; responsible AI use is expected.
Model-written summary · the original posting is authoritative