Klaviyo

Software Engineer II, Test Frameworks & Tooling

Klaviyo
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2 hours ago
Boston, MA, USAMid Level
H1B Sponsor

Base Salary

$116k - $174k/yr

Responsibilities

  • Own and improve integration and end-to-end testing frameworks across backend and frontend stacks.
  • Integrate and optimize automated tests within the CI system to shorten engineering feedback loops.
  • Define repository standards for unit testing and code-quality measurement.
  • Build scalable testing tools for complex scenarios, data mocking, service isolation, and coverage gaps.
  • Implement AI-powered tools for regression detection, flaky-test analysis, and intelligent test generation.
  • Partner with feature teams to troubleshoot flaky tests and improve test coverage.
  • Monitor and maintain the stability and performance of test suites and CI pipelines.

Requirements

  • At least 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-based frontend tests and Python integration tests.
  • Understanding of software testing as a core part of the development lifecycle.
  • Experience with CI/CD tools or a strong desire to learn them.
  • Interest in using AI to improve test generation, flaky-test analysis, and software quality.
  • Strong ownership, analytical problem-solving, and project execution skills.

Benefits

  • The role may require up to 10% travel for onboarding, client or partner work, team meetings, and industry events.
  • Klaviyo offers generous health, welfare, and wellbeing benefits based on eligibility.
  • Total compensation may include an annual cash bonus, equity, and sign-on payments in addition to base salary.

Tech Stack

Apache KafkaAWSBuildkiteCypressDjangoGoHelmJavaScriptJestKubernetesMySQLpytestPythonReactRedisTerraformTypeScript

Categories

Klaviyo

About Klaviyo

1,001-5,000 employees

Klaviyo (NYSE: KVYO) is the autonomous B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 193,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.