Sr. Software Engineer in Test (SDET) jobs in United States
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Prosper Marketplace · 9 hours ago

Sr. Software Engineer in Test (SDET)

Prosper Marketplace is a leading fintech company focused on connecting borrowers with investors. They are seeking a Senior Software Engineer in Test to lead test verification efforts, drive quality across feature development, and build automation frameworks for web and mobile applications.

CrowdfundingFinancial ServicesFinTechLendingMarketplaceMortgagePersonal Finance
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H1B Sponsorednote

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

Qualification

Software QAAutomation frameworksJavaSQL ServerPythonAI coding toolsMobile app testingPerformance testingTest strategiesAnalytical skillsTroubleshooting skillsCurious mindsetOrganizational skills

Required

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

Benefits

Flexible time off
Comprehensive health coverage
Competitive salary
Paid parental leave
Wellness benefits including access to mental health resources, virtual HIIT and yoga workouts
Udemy access
Childcare assistance
Pet insurance discounts
Legal assistance
Additional discounts

Company

Prosper Marketplace

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Prosper Marketplace is an online lending platform that connects people who want to borrow money with individuals and institutions.

H1B Sponsorship

Prosper Marketplace has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (50)
2024 (49)
2023 (30)
2022 (56)
2021 (46)
2020 (36)

Funding

Current Stage
Late Stage
Total Funding
$503.46M
Key Investors
Neuberger BermanEight Roads VenturesAssured Asset Management
2022-11-17Debt Financing· $75M
2018-01-01Series Unknown
2017-09-22Series G· $50M

Leadership Team

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David Kimball
Chairman and CEO
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Usama Ashraf
President
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Company data provided by crunchbase