Unity Software Development Engineer in Test (SDET)

Side is hiring a Senior SDET to build and lead regression automation across mobile and web platforms for game development. The role sets test automation direction and supports Unity testing, performance and backend validation, AI initiatives, and CI/CD integration.

Responsibilities:

• Develop and maintain automation frameworks to support quality engineering efforts
• Plan, implement, and execute unit testing strategies for Unity projects
• Develop and maintain automated tests for Unity-based game systems and features
• Conduct performance testing and identify performance-related issues
• Support AI initiatives and AI-related validation
• Perform backend and server-side testing
• Test and validate mobile Game as a Service (GaaS) systems and architecture
• Support CI/CD processes and pipeline integration
• Develop and maintain scripts, tools, and testing infrastructure
• Develop and support mobile test automation
• Work closely with developers to improve testability, reliability, and overall software quality

Requirements:

• 6+ years of professional experience in Quality Engineering, SDET, test automation, software engineering, or a related technical role
• Strong experience in automation engineering, including designing and building automation frameworks and testing systems
• Strong hands-on experience working with Unity and Unity-based game projects
• Strong proficiency in C# as a key programming language
• Experience planning, implementing, and executing unit tests in Unity, including designing testable systems and maintaining automated test suites
• Experience working with mobile games and Game as a Service (GaaS) architectures
• Understanding of common Unity and mobile game architecture concepts, including Asset Bundles, dependency injection, content delivery, remote configuration, and live content systems
• Experience testing systems involving downloadable or dynamically delivered game content and their dependencies
• Experience with performance testing
• Experience with backend testing and client-server architectures
• Experience with CI/CD processes and pipelines, including integrating automated testing into development and deployment workflows
• Experience with mobile test automation
• Experience with Python, particularly in relation to AI initiatives and automation
• Ability to create and maintain scripts, tools, and testing infrastructure
• Experience with AI-related testing and engineering
• Ability to integrate testing solutions with existing and bespoke AI infrastructure
• Experience testing live-service mobile games in production environments
• Experience with Unity testing tools and frameworks, such as the Unity Test Framework
• Experience validating content delivery and update pipelines for live mobile games
• Familiarity with AI development tooling such as Claude would be considered an asset