Sr. Software Development Engineer in Test-Mobile Applications

Sony Interactive Entertainment
paid time off, 401(k)
United States, California, San Mateo
Jan 21, 2026
Why PlayStation? PlayStation isn't just the Best Place to Play - it's also the Best Place to Work. Today, we're recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation also strives to create an inclusive environment that empowers employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team. The PlayStation brand falls under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation. Would you like to help us ensure the quality of world-class mobile applications used by millions of users? Join the team building innovative test solutions for mobile platforms, where your work directly impacts app performance, stability, and the overall user experience. SIE has a great opportunity within the Quality Engineering organization! We are looking for a motivated and creative Senior Software Development Engineer in Test (SDET) to help define mobile test strategy and build automation that drives quality across our iOS mobile application ecosystem. As a Senior SDET, you'll work hands-on with our mobile applications-designing and implementing automation using Python and Appium, running tests on simulators and cloud device platforms, and partnering with development and infrastructure teams to ensure efficient, stable, and reliable mobile releases. We are a team that values collaboration, continuous improvement, and delivering scalable test coverage across mobile platforms. What You'll Be Doing: Lead end-to-end mobile application testing efforts, including defining test strategies, writing test plans, identifying test scenarios, and ensuring comprehensive coverage across new and existing features. Review product requirements, UX flows, high-level system designs, and architecture diagrams to design robust and scalable testing approaches for iOS applications. Design and develop mobile automation frameworks using Python, Appium, and modern testing libraries to support functional, integration, regression, and end-to-end testing. Execute manual and automated tests on iOS simulators, physical devices, and cloud testing platforms such as Sauce Labs or BrowserStack. File clear, actionable bugs supported by logs, steps, and failure data, and drive them to resolution with engineering teams. Support triaging application issues by working closely with developers-analyzing logs, identifying root causes, and validating fixes. Build and maintain API test frameworks to support mobile interactions with backend services, including mocking dependencies and validating microservice integrations. Drive quality improvements by identifying gaps, suggesting tooling or process enhancements, and increasing automation depth and breadth across the mobile application stack. Integrate automated tests into CI/CD systems (e.g., Jenkins, GitHub Actions) to enable continuous validation of mobile builds. Collaborate in an agile, distributed environment with engineering, product, architecture, QA, and operations teams. What We're Looking For 5+ years of experience in UI, API, and end-to-end testing, with significant hands-on experience testing iOS mobile applications. Expertise in Python, Appium, and mobile automation standard methodologies. Experience performing tests on iOS simulators, physical devices, and cloud platforms (Sauce Labs, BrowserStack, etc.). Strong understanding of the mobile application release lifecycle, including build pipelines, distribution (TestFlight), versioning, and release validation. Strong coding fundamentals in Python(preferred) or JavaScript. Proficiency with testing frameworks/tools such as pytest, WebdriverIO, or Playwright.. Experience building and maintaining Test pipelines and automation infrastructure (Jenkins, GitHub Actions). Strong analytical, debugging, and problem-solving skills, with a high sense of ownership. Ability to collaborate and communicate effectively across globally distributed teams. Ability to learn quickly and thrive in a fast-paced environment. Nice-to-Have: If you bring any of these, we'd love to hear about them! Prior experience with PlayStation SDK development. Experience with GitHub Actions Familiarity with PlayStation products and games. *Please refer to our Candidate Privacy Noticefor more information about how we process your personal information, and your data protection rights.* At SIE, we consider several factors when setting each role's base pay range, including the competitive benchmarking data for the market and geographic location. Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. In addition, this role is eligible for SIE's top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Clickhere to learn more. The estimated base pay range for this role is listed below. $183,000 — $274,600 USD Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks. Please refer to ourCandidate Privacy Noticefor more information about what personal information we collect, how we use it, who we share it with, and your data protection rights. Equal Opportunity Statement: Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category. We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. PlayStation is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.