Software Development Engineer in Test

New Balance • Saint Louis, MO

69d • Hybrid

About The Position

New Balance is seeking a forward-thinking Senior SDET with a developer's mindset and a passion for AI to lead the next evolution of our global eCommerce test automation platform. This is a unique opportunity for someone who thrives on staying ahead of AI trends and is eager to apply them to modern software quality engineering. You'll drive the transformation of our Selenium and BDD-based test stack into a cutting-edge, AI-augmented platform that supports everything from unit testing to full user journey validation. If you're a builder at heart-excited by the challenge of creating scalable, self-healing, and autonomous testing systems that empower both engineers and developers-this role is for you.

Requirements

• 5+ years of experience in test automation, with deep expertise in Selenium and C#.
• Strong understanding of BDD frameworks (e.g., SpecFlow, Cucumber) and test design principles.
• Hands-on experience with Selenium extensions such as Healenium, Selenide, or Selenium Grid, with a focus on improving test resilience, scalability, and maintainability.
• Proven ability to implement self-healing test mechanisms and intelligent locator strategies to reduce flakiness and maintenance overhead.
• Familiarity with AI-augmented testing strategies (e.g., intelligent test generation, adaptive test execution).
• Experience integrating Selenium-based frameworks into modern CI/CD pipelines (e.g., Azure DevOps, Jenkins), with AI-driven diagnostics or analytics.
• Proficiency with visual testing tools like Applitools Eyes.
• Experience with modern automation frameworks such as TestRigor, Playwright, or Cypress.
• Exposure to machine learning or NLP concepts applied to software testing.
• Contributions to open-source testing tools or frameworks.
• Strong problem-solving, communication, and mentoring skills.

Responsibilities

• Lead the architectural redesign of our test automation platform, transitioning from a legacy Selenium/C# and BDD stack to a modern, intelligent framework.
• Design, build, and maintain AI-driven test automation platforms that enable reliable, scalable tests across the entire testing pyramid-from unit and integration to full end-to-end user journeys.
• Implement AI-augmented testing strategies to support autonomous test creation, maintenance, and healing.
• Integrate visual validation tools such as Applitools Eyes into the automation pipeline.
• Collaborate cross-functionally with developers, QA engineers, and DevOps to ensure test coverage, reliability, and scalability across global eCommerce sites.
• Evaluate and integrate open-source and commercial tools that enhance test intelligence, observability, and maintainability.
• Advocate for testability by partnering with developers and architects to influence solution design.
• Mentor and guide other SDETs and QA engineers in modern test automation practices and AI-driven testing approaches.
• Continuously research and prototype emerging AI technologies in the testing space to keep the platform at the forefront of innovation.

Benefits

• Comprehensive traditional benefits package including three options for medical insurance, dental, vision, life insurance, and 401K.
• Opportunities for online learning and development courses.
• Tuition reimbursement.
• $100 monthly student loan support.
• Various mentorship programs.
• Yearly $1,000 lifestyle reimbursement.
• 4 weeks of vacation.
• 12 holidays.
• Generous parental leave.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: Clothing, Clothing Accessories, Shoe, and Jewelry Retailers
• Number of Employees: 5,001-10,000 employees