Senior Software Quality Engineer (SDET)

Earnin•Mountain View, CA

35d•$210,000 - $257,000•Hybrid

About The Position

As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks. We're fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We're growing fast and are excited to continue bringing world-class talent onboard to help shape the next chapter of our growth journey. POSITION SUMMARY We are looking for a highly skilled Senior Software Quality Engineer (SDET) to lead our end-to-end quality engineering initiatives across mobile, web, backend, and data platforms. This role combines deep technical expertise with a forward-thinking, AI-first mindset, driving innovation, scalability, and reliability through advanced automation and intelligent testing strategies. As a senior member of the team, you will champion modern, AI-enhanced quality practices and help build a culture where continuous improvement, automation-first thinking, and data-driven decisions are embedded at every stage of product development. This is a hybrid position in Mountain View (Headquarters) and will require in-office work 2 days a week. The base salary range for this full-time position is $210,000 to $257,000, plus equity and benefits. Our salary ranges are determined by role, level, and location. EarnIn provides excellent benefits for our employees, including healthcare, internet/cell phone reimbursement, and a learning and development stipend.

Requirements

4+ years of experience in web and mobile testing, with a strong emphasis on test automation.
Proven expertise in designing and maintaining scalable test automation frameworks.
Hands-on experience with mobile testing frameworks such as XCUITest (iOS) and Espresso (Android), and web frameworks like Playwright.
Strong understanding of testing across microservices, APIs, and distributed systems.
Ability to analyze and debug complex test failures, automation issues, and defects efficiently.
Familiarity with generative AI applications in quality engineering (test case generation, API contract validation, log intelligence, etc.).
Passion for leveraging AI to reduce manual effort, increase coverage, and accelerate release cycles.
Proven experience supporting weekly release cycles with a mix of manual and automated regression testing.
Strong analytical, debugging, and problem-solving skills
Experience collaborating with global teams across multiple time zones.
BS in Computer Science, Computer Engineering, or equivalent professional experience.

Nice To Haves

Experience using or implementing AI/ML-powered testing tools is a significant plus

Responsibilities

Lead the design, development, and execution of comprehensive test plans and test cases across frontend (web & mobile), backend services, APIs, and databases.
Implement industry best practices in manual and automated testing to ensure exceptional product quality, reliability, scalability, and performance.
Identify, document, and track software defects and inconsistencies with a data-driven, proactive approach to prevention and continuous improvement.
Introduce and operationalize AI-based testing techniques, including: AI-assisted test case generation, test data creation, and predictive defect modeling Intelligent risk-based testing strategies powered by ML insights. Autonomous regression execution and dynamic test-suite prioritization.
Integrate AI code analysis, anomaly detection, and observability insights into quality workflows to improve speed, coverage, and accuracy.
Evaluate and implement emerging AI-driven QA tools to evolve the quality engineering ecosystem.
Champion an AI-first quality culture by promoting experimentation, learning, and collaboration across engineering teams.
Design, build, optimize, and maintain scalable automation frameworks using Playwright, Appium, Espresso, XCUITest, REST Assured, and other relevant tools.
Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, etc.) to ensure fast, reliable, and safe deployments and releases on both apps(iOS and Android) and services.
Build tooling that empowers developers with self-service test execution, reporting, and analysis.
Analyze application performance metrics and conduct load, stress, chaos, and security testing.
Provide actionable insights to engineering and product teams for performance tuning and system hardening.
Lead root cause analysis for complex failures and ensure effective, timely resolutions.
Collaborate closely with developers, product managers, DevOps, and design teams to ensure requirements are clearly defined and aligned with business goals.
Actively participate in sprint grooming, planning, daily stand-ups, and retrospectives.
Mentor junior QA engineers and contribute to building a culture of excellence, innovation, and continuous improvement.
Work seamlessly with globally distributed teams and coordinate testing across time zones.