Senior Software Engineer in Test, SDET

Prosper Marketplace

full-time

Posted on: 9/4/2025

Origin: • 🇺🇸 United States • California

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💰 $148,000 - $175,000 per year

Senior

JavaJUnitPythonReactSeleniumSQL

About the role

Drive quality throughout feature development by designing and implementing test standards, processes, and methodologies
Collaborate with SDET managers to establish quality standards across teams, including test management, regression testing, and test strategy design
Execute comprehensive testing at multiple levels: functional verification, regression testing, compatibility, and performance testing
Support production releases, monitoring, incidents, and patch verifications
Build and maintain automation frameworks (UI and API/Services) for web and mobile applications using Appium/Selenium and other tools

5+ years software QA/Software Verification experience with strong knowledge of test methodologies and documentation
BSCS degree or equivalent required
Proficiency in Java or similar automation frameworks (such as Selenium, Appium, JUnit, or equivalent) for Web, Mobile, and API testing
Solid knowledge of SQL Server database and API/services level testing
Strong Python scripting/programming skills
Full usage of AI coding tools at work (Copilot, Claude, etc.)
Mobile app testing and troubleshooting experience including experience in testing react-web/native applications
Working knowledge of performance and security testing for web, mobile and APIs
Strong analytical, troubleshooting, and organizational skills with attention to detail
Ability to prioritize effectively, work independently on complex issues, and lead large projects
Experience working with globally distributed teams
Curious mindset with ability to learn new technologies and tool sets
Experience creating test strategies and maintaining test suites for complex systems