AI-Driven QA Engineer III SaMD Testing

Heartflow; San Francisco (CA); On-site; USD 135,000 - 165,000; Full time

Job summary

Heartflow is seeking a Software Test Engineer to build and maintain automated end‑to‑end tests across UI, API, and backend services, under guidance from senior team members. You will apply AI‑assisted testing techniques, explore new tools, and contribute to test plans and documentation in a regulated SaMD environment.

You will implement UI automation with Selenium and Playwright, create API tests with REST Assured, Postman, Karate, Pact.io, and help ensure reliability in CI/CD pipelines,

Qualifications

• 3–5 years of experience in software test engineering, SDET, or quality engineering roles with a hands‑on automation focus.
• Genuine enthusiasm for AI‑assisted and emerging test automation tools and techniques; mindset and curiosity are valued.
• Experience testing SaMD or other regulated medical device software is preferred; strong candidates from other regulated environments will be considered.
• Familiarity with medical device QMS practices and standards (ISO 13485, IEC 62304, ISO 14971, 21 CFR Part 820).
• Proficiency with Selenium/WebDriver and Playwright, including writing stable UI automation.
• Hands‑on experience contributing to E2E automation suites and test frameworks.
• Experience authoring or maintaining test plans, protocols, and reports in a regulated environment.
• Practical use of AI‑assisted testing tools or strong motivation to ramp quickly.
• Solid programming skills in Python and/or TypeScript/Java/ C#; API testing tools experience.
• CI/CD systems familiarity (GitHub Actions, Jenkins, GitLab CI) and basic AWS exposure.

Responsibilities

• Build and maintain automated end‑to‑end tests across UI, API, and back‑end services under guidance.
• Explore AI‑assisted test automation techniques and propose new tools and approaches for team adoption.
• Perform post‑deployment verification activities including production smoke tests and CI/CD baseline tests.
• Contribute to test plans, protocols, and reports meeting QMS expectations.
• Participate in tool validation activities for test infrastructure and automation tooling.
• Implement and maintain UI test automation using Selenium and Playwright; improve framework patterns.
• Develop API‑level tests using REST Assured, Postman, Karate, Pact.io.
• Translate requirements into traceable test cases with engineers, product, RA/QA.
• Investigate test failures, file high‑quality defect reports, drive issues to resolution.
• Maintain automated tests in CI/CD and respond to pipeline breakages.
• Provide test evidence for audits, CAPAs, and regulatory submissions as needed.
• Partner with senior engineers to learn Heartflow’s ML pipeline and grow automation ownership.

Skills

Python

SDET mindset

AI-assisted testing

Debugging

Communication

Education

Bachelor’s degree in CS/Engineering

Tools

Selenium

Playwright

REST Assured

Postman

Karate

Pact.io

GitHub Actions

Jenkins

AWS

Job description

Heartflow is seeking a Software Test Engineer to build and maintain automated end‑to‑end tests across UI, API, and backend services, under guidance from senior team members. You will apply AI‑assisted testing techniques, explore new tools, and contribute to test plans and documentation in a regulated SaMD environment.

You will implement UI automation with Selenium and Playwright, create API tests with REST Assured, Postman, Karate, Pact.io, and help ensure reliability in CI/CD pipelines,