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Senior Software Test Engineer

Location: Remote
Compensation: Salary
Reviewed: Mon, Oct 19, 2026
This job expires in: 30 days

Job Summary

Designing and implementing automated test frameworks and tools, the full-time Senior Software Test Engineer will develop scalable Python-based automation infrastructure and collaborate with developers to ensure the reliability and quality of enterprise software systems, with a hybrid work arrangement based in Tukwila, WA.

Key responsibilities:
  • Design, develop, and maintain automated test frameworks and tools using Python for services, APIs, and UI workflows
  • Build simulators and emulators to replicate third-party environments and network behavior for in-house testing
  • Monitor automated test runs, analyze failures, and collaborate with developers to troubleshoot issues and validate fixes
Required qualifications:
  • Minimum of six (6) years of experience as a Software Test Engineer, Automation Engineer, or SDET with hands-on software development responsibilities
  • Bachelor's degree in a relevant field of study or equivalent additional experience of four years
  • Strong proficiency in Python, including building automation frameworks and creating test harnesses
  • Experience developing automated API tests using Python Requests or equivalent frameworks
  • Familiarity with CI-based automated test pipelines and the ability to analyze automated test results

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