Software Engineer II, Backend – Test Infra

Affirm

Software Engineer II in Test Infra enhances developer productivity in test automation at Affirm. Collaborate with engineering teams while optimizing CI pipelines and maintaining automation frameworks.

Posted 7/10/2026full-timeRemote • California, Connecticut, New Jersey, New York, Washington • 🇺🇸 United StatesMid-LevelSenior💰 $146,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies

AWSDockerPythonTypeScript

About the role

Key responsibilities & impact

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, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work
This role includes participation in an on-call rotation

Requirements

What you’ll need

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.

Benefits

Comp & perks

Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Test AutomationTypeScriptPythonPlaywrightPytestCI PipelinesQuality AssuranceTesting TechniquesTest DesignPerformance Test Automation

Soft Skills

Excellent CommunicationCollaboration SkillsProactive Feedback SeekingAsynchronous Communication

Certifications

Bachelor’s Degree in Related Field