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Software Engineer II, Backend (Test Infra)

Affirm· Infrastructure Platform Eng
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Remote$165k - $225kFull-timePosted 3mo ago

About the role

Software Engineer II focused on test automation within the Test Infra team to empower developers with scalable testing infrastructure, CI pipelines, and AI-driven productivity enhancements.

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.
  • Participate in an on-call rotation.

Qualifications

  • An East Coast location to enable smoother collaboration with European colleagues.
  • 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 will be considered a significant advantage.
  • Eager to grow and continuously learn new skills.
  • You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code.
  • Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Skills

Required:Test automationTypeScriptPythonPlaywrightPytestCI/CDDockerAWSQA / Testing methodologies

Benefits

  • Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
  • Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
  • Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
  • Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Affirm stock at a discount.
Last updated Sep 16, 2026. Interested? Apply on the company site.

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