Senior Software Development Engineer in Test (SDET)

We're looking for an exceptionally talented Senior SDET join our Side São Paulo Team, where you will design, build, and own our regression automation framework across iOS, Android and Web platforms for Game Industry, so Unreal or Unity experience will be a great nice to have. This is an exciting opportunity for someone to come in to a builder and leadership role, with the resources and stability of a mature engineering org, but the autonomy and blank-slate opportunity to architect our test automation infrastructure the right way. You'll set the technical direction for test automation, partner directly with mobile and web engineering leads, and raise the quality bar across the org.

What You'll Do

• 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.

Preferred Qualifications

• 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.

Benefits

Competitive base salary

• annual leave plus public holidays
• Professional development support and learning opportunities
• International exposure across global teams and clients
• A collaborative, people-first culture within a growing global organization

About Side

Who we are:

Side is a global video game development and services provider, offering technical and creative solutions to many of the largest developers and studios around the world. Founded in 2009 and drawing on 30+ years' experience from our parent company in Japan, Side has since grown to become a global force with 15+ studios in over a dozen countries across North America, Europe, South America, and Asia.

Our industry-leading services include game development, art production, audio production, quality assurance, localization, localization QA, player support, community management, and datasets.

Help us bring stories to the world! Join a global team of passionate gamers and contribute to delivering unforgettable game experiences.

For more information, visit . www.side.inc