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Heartflow

Test Engineer III

San Francisco, CaliforniaFrom $135kmidAdded today

About this role

HeartFlow seeks a Test Engineer III to build and maintain automated end-to-end test coverage for regulated AI-driven cardiac imaging software. You'll execute system testing and post-deployment verification using modern frameworks like Selenium and Playwright, while actively exploring AI-assisted testing tools to accelerate the team's automation strategy in a medical device QMS environment.

What you'll do

  • Build and maintain end-to-end automated tests across UI, API, and backend services following technical direction
  • Explore and evaluate AI-assisted test automation techniques including self-healing locators and generative test design
  • Execute post-deployment verification activities including production smoke tests and environment monitoring
  • Develop UI automation using Selenium and Playwright and API-level tests using REST Assured, Postman, or Karate
  • Investigate test failures, file defect reports, and partner with developers to resolve issues
  • Contribute to test plans, protocols, and regulatory documentation meeting QMS requirements

What they're looking for

  • Selenium and Playwright UI automation
  • API testing tools (REST Assured, Postman, Karate, Pact.io)
  • Medical device QMS and regulated software testing
  • AI-assisted test automation and emerging tools
  • CI/CD pipeline management and test infrastructure
  • Test planning and documentation in regulated environments
  • End-to-end test framework design and maintenance
  • Defect analysis and troubleshooting

Benefits

  • Opportunity to work on software directly supporting patient care
  • Exposure to cutting-edge AI-assisted testing technologies
  • Mentorship from Test Architect and Senior Test Engineer
  • Growth in regulated medical device software expertise
  • Publicly traded company with global recognition
  • Impact on #1 cause of death worldwide
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Heartflow

Heartflow develops AI-driven cardiac diagnostic software that processes medical imaging data through cloud-based algorithmic pipelines and interactive 3D visualization tools. The company is hiring software engineers to build and refine these diagnostic systems while ensuring compliance with FDA and ISO medical device standards.

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Likely interview questions

  • Walk us through your experience building and maintaining automated E2E test suites—what frameworks and tools have you used, and how did you ensure they remained reliable in CI/CD pipelines?
  • Tell us about a time you explored a new test automation tool or technique; how did you evaluate it and present your findings to the team?
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