Sr SDET, ML — Scalable Test Automation & Validation

Sony Interactive Entertainment Inc.; Madison (WI); Hybrid; USD 152,000 - 190,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) matching

Paid time off

Employee discounts

Job summary

Sony Interactive Entertainment is seeking a Sr Software Development Engineer in Test, ML to lead quality efforts for ML-powered products and services in Madison. You will partner with ML and software engineers, product managers, and data partners to build scalable test automation for production-scale systems.

This role focuses on validating probabilistic models, score distributions, and behavioral reliability, beyond deterministic pass/fail checks.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Minimum 5 years of experience as an SDET, with strong experience testing backend systems.
• Proficiency in Python/Java/Scala/go for test automation.
• Hands-on experience with API testing tools (e.g., Postman or similar) for distributed systems.
• Familiarity with CI/CD pipelines and test execution in Jenkins or similar environments such as GitHub Actions, ArgoCD, etc.
• Hands-on experience building and maintaining automated test frameworks (e.g., pytest, JUnit, TestNG).
• Experience with cloud and container technologies (AWS, GCP, Kubernetes, Docker, etc.).
• Familiarity with monitoring and observability tools (Prometheus, Grafana, Datadog) for validating service health.
• Strong understanding of SDLC and agile methodologies.
• Excellent problem-solving and communication skills.

Responsibilities

• Drive architecture-level automation solutions across multiple teams and product areas.
• Design, develop, and maintain automated test frameworks for ML inference services and ML platform components using Python/Java.
• Create realistic test data and datasets to evaluate model behavior.
• Validate score distributions, ranking behavior, and model signals prior to release.
• Perform functional, integration, regression, API testing of RESTful services and databases; assess performance and load.
• Collaborate with ML engineers and ops teams to ensure automated test coverage and CI/CD.
• Debug and analyze test failures, report defects, and drive quality improvements.
• Develop scalable, maintainable test automation best practices.
• Monitor test execution and optimize performance in test environments.
• Propose innovative solutions to organizational problems.

Skills

Python

Java

Scala

Go

CI/CD

API testing

Databases

Cloud

Kubernetes

Monitoring

SDLC

Agile

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Postman

JUnit

TestNG

Jenkins

GitHub Actions

ArgoCD

Kubernetes

Docker

PyTest

Job description

Sony Interactive Entertainment is seeking a Sr Software Development Engineer in Test, ML to lead quality efforts for ML-powered products and services in Madison. You will partner with ML and software engineers, product managers, and data partners to build scalable test automation for production-scale systems.

This role focuses on validating probabilistic models, score distributions, and behavioral reliability, beyond deterministic pass/fail checks.