Sr Automation Test Developer

Join a collaborative engineering team focused on delivering reliable, cloud-based applications that support a large-scale research data platform. This remote Sr. Automation Test Developer role offers the opportunity to blend hands-on test automation, manual testing, and quality-focused partnership with engineers and product stakeholders in a fast-paced Agile environment.

Responsibilities

• Design, build, maintain, and run automated test suites for web and cloud-based applications.
• Create clear test plans, scenarios, and cases based on requirements and acceptance criteria.
• Perform manual functional, integration, regression, and end-to-end testing when needed.
• Develop and maintain automation using Playwright, Selenium, or similar frameworks.
• Log, track, and help troubleshoot defects in partnership with engineering teams.
• Validate application behavior and integrations in GCP or other cloud environments.
• Write scripts and lightweight testing utilities using languages such as Python, Java, C, or C++.
• Support CI/CD workflows by integrating automated tests where applicable.
• Analyze test outcomes, investigate failures, and communicate quality risks clearly.
• Maintain test documentation, evidence, and traceability throughout the development lifecycle.
• Participate in Agile ceremonies, sprint planning, refinement, and release readiness activities.
• Collaborate with developers to improve testability and strengthen overall software quality.

Skills

• Professional experience in software quality assurance, test engineering, or test automation.
• Strong hands-on experience with Playwright and/or Selenium.
• Experience creating test plans, test cases, test scenarios, and supporting documentation.
• Ability to perform both automated and manual testing.
• Working knowledge of GCP or similar cloud platforms such as Azure or AWS.
• Programming experience in one or more languages such as Java, C, C++, or Python.
• Experience troubleshooting test failures and identifying whether issues are related to the application, integration, environment, or automation.
• Strong communication and collaboration skills.
• Comfort working in a cross-functional Agile software development environment.

Preferred Skills

• Direct experience using Playwright in a modern application environment.
• Experience testing applications, APIs, and integrations hosted in GCP.
• Background incorporating automated tests into CI/CD pipelines.
• Experience with API and integration testing.
• Familiarity with Agile/Scrum delivery practices.
• Experience supporting data-intensive, research, healthcare, or complex enterprise applications.
• Exposure to test management or automation tools such as Quality Center.

Horizontal is committed to fostering an inclusive environment where diverse perspectives are valued, respected, and encouraged. We believe equity and belonging strengthen our teams and help us deliver better outcomes for everyone.

By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.

Please apply through this online posting or by visiting our Job Board at www.horizontaltalent.com/job-board. Applications will be accepted for 4 weeks. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $32 - $66 per hour based on qualifications and experience.