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Sr. Software Engineer in Test (SDET)

Prosper

$148,000 - $175,000
Sep 4, 2025
San Francisco, CA, US
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The company is seeking a Software Development Engineer in Test to drive quality throughout feature development and lead test verification efforts for complex projects.

Requirements

  • 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
  • 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
  • Experience creating test strategies and maintaining test suites for complex systems

Responsibilities

  • 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

Other

  • BSCS degree or equivalent required
  • 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
  • 5+ years software QA/Software Verification experience with strong knowledge of test methodologies and documentation