Remote Software Development Engineer III - Test

Description:

• OpenX is seeking a Software Development Engineer in Test (SDET) with strong full-stack testing expertise to help launch a new product within their platform.
• The role involves building and maintaining scalable test automation frameworks to ensure reliability across APIs and user interfaces in a 0→1 product environment.
• Responsibilities include developing comprehensive automation strategies, owning end-to-end validation for key features, and working closely with backend, frontend, and data science teams.
• The candidate will investigate failures, perform root cause analysis, and promote engineering excellence through code reviews and mentoring.
• The position is remote-first and part of a talented US team focused on delivering self-service tools for media activation.

Requirements:

• Candidates must have 5+ years of experience in software test automation, with a strong track record of building and maintaining scalable test frameworks for backend APIs and user-facing applications.
• Proficiency in Python and JavaScript/TypeScript is required, along with the ability to write clean, modular, and testable code.
• Hands-on experience with CI/CD tools such as Google Cloud Build or Spinnaker is necessary, including maintaining and improving test pipelines.
• A deep understanding of modern testing strategies, including integration, end-to-end, and regression testing in distributed systems, is essential.
• Strong debugging and root cause analysis skills are required, with the ability to triage and resolve issues across complex service and interface boundaries.
• Candidates should have hands-on experience with modern test frameworks such as pytest, Cypress, Playwright, or Go-based tools.
• Familiarity with TestOps and DevOps practices, including test observability and parallel execution, is preferred.
• Excellent collaboration and communication skills are necessary, with a focus on engineering excellence and continuous improvement.

Benefits:

• The base salary range for this position is $140,250 - $148,500 per year, plus bonus and equity.
• OpenX offers a comprehensive benefits package that includes medical, dental, vision, 401k, and equity.
• The company is committed to fair and equitable compensation practices, considering various factors such as relevant work experience and skills.
• Additional details about benefits can be found on the OpenX careers page.