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QA Automation Engineer

Square Hiring

 

Sunnyvale, CA, USA

Posted On: 15+ days ago
Experience: 5+ years
Availability: Onsite
Openings: 1
Category: QA Automation Engineer
Tenure: Contract - Corp-to-Corp
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Description

Own test design and automated regression for AI/ML systems, ensuring model accuracy and data integrity.

This role is on-site.

Responsibilities

  • Design and execute manual, functional, regression, UAT, and non-functional test cases for AI/ML and data systems.
  • Build and maintain automated test suites using Selenium, pytest, and Python.
  • Perform REST API testing and SQL-based data validation across ETL/ELT pipelines.
  • Design and maintain LLM evaluation harnesses measuring hallucination, faithfulness, and output accuracy.
  • Integrate tests into CI/CD pipelines (GitHub Actions, GitLab) and conduct root cause analysis.

Required Skills

  • 5+ years of hands-on QA engineering experience.
  • Strong proficiency in Python, Selenium, and pytest.
  • Experience with CI/CD tools, specifically GitHub Actions and GitLab.
  • Proficiency in SQL and data validation for ETL/ELT pipelines.
  • Experience with REST API testing and performance/latency testing.
  • Experience with LLM evaluation metrics (hallucination, faithfulness).
  • Bachelor's degree in a relevant field.

Preferred Skills

  • Previous experience in AI/ML quality assurance.
  • Familiarity with Jira for defect tracking.

Education

Bachelor's degree

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