SDET

• Design, develop, and maintain automated test frameworks and tools using Python across services, APIs, and UI workflows
• Build Python or Go-based simulators, mocks, and emulators for third-party environments, network behavior, and integration scenarios
• Develop, maintain, and execute automated API test suites using Python Requests, custom harnesses, and Postman/Newman when appropriate
• Build and maintain automated UI test suites using Python Playwright with reusable components, selectors, and page-object patterns
• Monitor nightly automated test runs and analyze failures using Jira/X-Ray, Slack, and CI/CD integrations
• Troubleshoot APIs, backend services, and UI workflows; isolate root causes and verify fixes with developers
• Perform targeted manual testing for new features, complex regression scenarios, and defect reproduction
• Validate functional behavior, edge cases, and workflows across distributed application components
• Document test frameworks, automation patterns, test cases, expected outcomes, and defect reproduction steps
• Support internal Python-based test applications, tools, and services
• Ensure adequate coverage for new features, releases, and high-risk areas
• Improve automation tooling, coding standards, and test strategy
• Assist with build readiness for deployment and release
• Perform other job-related duties as assigned

Explore Senior Software Engineer, Design in Test (SDET) at BlackSky. Review requirements and application details.