SDET for AI & Backend Systems (Contract)

Sony Playstation; Aliso Viejo (CA); On-site; USD 80,000 - 99,000; Full time

Job summary

Sony Interactive Entertainment is seeking an experienced SDET contractor to help ensure the quality, reliability and resilience of Agentic AI systems and backend services. You will design and implement automated testing strategies across AI/LLM‑driven applications, APIs and distributed systems, build scalable test frameworks, and drive quality gates in CI/CD.

Collaborate with software engineers, product managers and QE teams to improve testability and observability, ensuring robust software

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology or a related field, or equivalent practical experience.
• 4+ years of experience in Software Development Engineering in Test, Quality Engineering, Software Engineering or a related discipline.
• Strong experience testing REST APIs, backend services, microservices or distributed systems.
• Hands-on experience developing automated tests using Python, Java, JavaScript, TypeScript or a similar programming language.
• Experience with functional, integration, regression, contract and end-to-end testing.
• Experience integrating automated tests into CI/CD pipelines.
• Strong analytical, debugging and root-cause-analysis skills.
• Experience working in an Agile development environment and collaborating across engineering teams.

Responsibilities

• Develop and execute comprehensive QE strategies and test plans for Agentic AI systems, backend services, APIs, and service integrations.
• Design and maintain scalable automated test frameworks across API, functional, integration, contract, regression, and end‑to‑end testing.
• Develop testing approaches for non‑deterministic AI behavior and establish meaningful evaluation criteria.
• Identify quality risks early and apply risk‑based, shift‑left testing practices throughout the development lifecycle.
• Integrate automated testing into CI/CD pipelines and establish effective quality gates.
• Partner with Software Engineers, Product Managers and other QE teams to improve testability, observability and overall product quality.
• Analyze defects and production issues to identify root causes, testing gaps and opportunities for continuous QE improvement.
• Establish quality metrics and provide visibility into test coverage, reliability, defects and release readiness.

Skills

QE fundamentals

REST API testing

Automated testing frameworks

Python/Java/JavaScript

CI/CD pipelines

Agile environment

Non-deterministic AI testing

Education

Bachelor's degree in CS/Engineering or related field

Tools

Git

CI/CD (Jenkins/GitHub Actions)

API testing tools

Job description

Sony Interactive Entertainment is seeking an experienced SDET contractor to help ensure the quality, reliability and resilience of Agentic AI systems and backend services. You will design and implement automated testing strategies across AI/LLM‑driven applications, APIs and distributed systems, build scalable test frameworks, and drive quality gates in CI/CD.

Collaborate with software engineers, product managers and QE teams to improve testability and observability, ensuring robust software