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Software Engineer II, Backend (Test Infra)

Affirm· Infrastructure Platform Eng
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RemoteCA$133k - CA$183kfull-timePosted 3mo ago

About the role

Software Engineer II focused on test automation within Affirm’s Test Infra team, building and evolving core testing infrastructure, CI pipelines, and test frameworks to improve developer productivity and provide fast, actionable feedback.

Responsibilities

  • Own, improve, and maintain integration and E2E test automation frameworks, along with their associated CI pipelines.
  • Design and implement technical solutions to optimize test execution time and enhance test stability.
  • Write technical specifications and ADRs, contribute to technical solution design, and collaborate with engineers across the company.
  • Support engineering teams by assisting with triage requests and sharing best practices for quality assurance and test automation.
  • Contribute to the evolution of the company’s overall test strategy.
  • With the support of your team’s tech lead and manager, break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work.
  • Participation in an on-call rotation

Qualifications

  • 3+ years of experience in test automation.
  • Proficient in both TypeScript and Python.
  • Hands-on experience with Playwright and Pytest.
  • Experience in building and optimizing CI pipelines.
  • Experience with Docker and AWS.
  • Strong background in quality assurance, test design, and in-depth knowledge of testing techniques and methodologies.
  • Excellent communication and collaboration skills, both verbal and written, with proficiency in asynchronous communication methods such as tech specs, RFCs, wikis, and project plans.
  • Experience in building or enhancing test automation frameworks and infrastructure is highly desirable.
  • Mobile, infrastructure and performance test automation experience is a significant advantage.
  • Eager to grow and continuously learn new skills.
  • Ability to take simple problems to multi-component solutions with clear, tested, extensible code.
  • Demonstrated ownership of personal growth and proactive seeking of feedback.

Skills

Required:TypeScriptPythonPlaywrightPytestCI/CD pipelinesDockerAWSQuality assuranceCommunication
Nice to have:Test automation frameworks

Benefits

  • Health coverage at no cost: 100% of premiums for employees and dependents.
  • Monthly stipends for tech setup and health/wellness options.
  • Flexible time off and generous holiday calendar.
  • Employee stock purchase plan (ESPP) to buy Affirm stock at a discount.
Last updated Sep 16, 2026. Interested? Apply on the company site.

About Affirm

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