Lead machine learning quality engineering at PlayStation in Madison or Waterloo, using Python or Java and scalable automation for global services. As a Senior Software Development Engineer in Test, ML, you will validate model reliability, production readiness, and behavioral consistency. Partner with machine learning engineers, software engineers, product managers, and data partners across product areas. Build confidence through score distributions, cohort behavior, thresholds, statistical signals, API testing, and backend validation.

Key Responsibilities
- Architect scalable automation solutions across teams and product areas
- Develop frameworks for inference services using Python or Java
- Create representative test accounts and datasets
- Validate rankings,



score distributions, and model output quality
- Analyze failures, anomalies, and reported defects

Requirements:
- Bachelor's degree in Computer Science or related field
- Minimum five years of SDET experience testing backend systems
- Proficiency in Python, Java, Scala, or Go
- Experience with API testing, databases, and automated frameworks
- Familiarity with CI/CD, cloud, containers, and observability tools Bring senior test automation, statistical validation, and backend quality expertise to PlayStation machine learning products.

📌 Senior Machine Learning Test Engineer (Ottawa)
🏢 Sony Interactive Entertainment (SIE)
📍 Ottawa