Senior Software Development Engineer Test (Mobile Automation)

ABOUT EARNIN

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 an experienced, passionate, and resourceful SDET to join our teams. As a Sr. SDET, you will help us design and develop test automation to ensure product quality and improve users’ experience. This position will ideally be hybrid from our Mexico City office as part of our expanding site, though a remote arrangement is possible. EarnIn provides excellent employee benefits, including healthcare, internet/cell phone reimbursement, a learning and development stipend, and potential opportunities to travel to our Palo Alto HQ. Our salary ranges are determined by role, level, and location.

WHAT YOU'LL DO

• • Lead the design, development, and execution of comprehensive test plans and test cases across frontend (web & mobile), backend, APIs, and databases.
  • Implement best practices in manual and automated testing, ensuring high application quality, reliability, and performance standards.
  • Identify, document, and track software defects, inconsistencies, and areas for improvement with a data-driven and proactive approach to resolution.
  • Collaborate with developers, product managers, DevOps, and cross-functional teams to ensure requirements are well-defined and aligned with business objectives.
  • Design, develop, optimize, and maintain scalable test automation frameworks and test suites using tools like Playwright, Cypress, Selenium, Appium, Espresso, and REST Assured.
  • Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc.) to enable fast, reliable, and efficient deployments.
  • Analyze application performance metrics, conduct load, stress, and security testing, and provide insights for performance tuning and enhancements.
  • Conduct thorough regression, exploratory, and usability testing to validate system integrity and user experience across platforms.
  • Lead root cause analysis for complex failures, working closely with developers and DevOps engineers to ensure timely and effective resolutions.
  • Actively participate in sprint planning, daily stand-ups, and retrospectives, contributing expertise to improve team efficiency and delivery cadence.
  • Mentor and guide junior QA engineers, fostering a culture of continuous learning, innovation, and a quality-first mindset.
  • Work with globally distributed teams and coordinate testing efforts across different time zones. 
  • Stay current with advancements in full-stack automation testing, AI-driven testing tools, and DevOps practices.

WHAT WE’RE LOOKING FOR

• 4+ years of experience in mobile and web testing, focusing on automation.
• Strong expertise in defining, designing, developing, and maintaining scalable test automation frameworks.
• Hands-on experience with industry-standard mobile and web testing tools such as XCUITest (iOS), Espresso (Android), and Playwright (Web)
• Experience writing and executing manual and automated test cases based on product specifications, Figma UI designs, and feature requirements.
• Strong ability to efficiently identify and root cause automation test failures and application defects.
• Proven experience supporting weekly release regression testing through automation and manual testing, providing reliable sign-offs.
• Deep understanding of software development and product lifecycle, including release metrics and quality goals.
• Experience working with globally distributed teams and coordinating testing efforts across different time zones.
• Strong analytical, problem-solving, and debugging skills with the ability to make data-driven decisions.
• Passion for continuous learning and the ability to quickly adapt to new technologies.
• A BS in Computer Science or Computer Engineering or equivalent experience is required.

At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive to create a culture of belonging. EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information, or any other basis protected by local, state, or federal laws. EarnIn is an E-Verify participant. 

EarnIn does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or HR team.