Sr. Software Development Engineer in Test, AI/ML

San Mateo, CA

Do you have a passion for test automation? We are looking for self-motivated, quick-starter and highly proactive individuals to join our full stack team, who will be testing new and existing features on multiple platforms and devices in a software development environment and ensuring quality of automation and test frameworks.

At PlayStation, we are passionate about both collaboration and technology. We love building the systems that millions of people use and are our own first customers. We are committed to being at the forefront of development technologies and are a diverse company with teams on four continents.

Primary Responsibilities:

• Lead end-to-end QE strategy for sophisticated features, systems, and platform integrations across PlayStation applications and services
• Architect, design, and implement scalable automated test frameworks for UI, API, integration, and system-level testing
• Define comprehensive test strategies, risk assessments, and quality metrics aligned with product and engineering goals
• Develop and maintain robust automated test suites for web, backend, and platform services using modern automation tools and frameworks
• Drive automation guidelines, coding standards, and continuous improvement initiatives across QE and development teams
• Mentor junior and mid-level SDETs/QEs through code reviews, technical guidance, and testing strategy leadership
• Collaborate closely with software engineers, product managers, DevOps, and release teams to improve overall software quality and delivery efficiency
• Analyze test results, production issues, and system telemetry to identify root causes and implement long-term quality improvements
• Build and optimize CI/CD automation pipelines to support continuous testing and rapid release cycles
• Advocate for shift-left testing, testability improvements, and quality engineering culture across distributed teams

Requirements:

• BS or MS in Computer Science, Engineering, or related technical field, or equivalent
• 6+ years of experience in Software Development Engineering in Test (SDET), Quality Engineering, or automation-focused software development
• Experience testing machine learning systems, such as recommendation systems, search ranking systems, or other probabilistic ML application systems
• Strong programming expertise in Python, JavaScript/TypeScript, Java, C++, or similar object-oriented programming languages
• Extensive experience designing scalable test automation frameworks and infrastructure from the ground up
• Advanced experience with Selenium or Appium or UI Automation technologies
• Deep understanding of APIs (RESTful), Libraries, SDK/Application Frameworks, Native Applications, microservices, and backend validation
• Strong experience with modern frontend frameworks such as React
• Experience implementing automated testing in CI/CD environments using Jenkins, GitHub Actions, CircleCI, or similar tools
• Excellent technical communication, leadership, mentoring, analytical, and problem-solving skills
• Ability to independently lead large-scale quality initiatives and influence engineering guidelines

Bonus Qualifications:

• Experience testing or developing applications for gaming consoles, embedded systems, streaming devices, or consumer electronics
• Experience building internal developer tools, automation platforms, or test infrastructure services
• Experience integrating automated testing into large-scale CI/CD and release management pipelines
• Experience leading QE transformation initiatives or mentoring high-performing engineering teams