Software Engineer in Test, Python

Roku is changing how the world watches TV. Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers.

With millions of users worldwide, our products have earned a reputation for "just working" seamlessly right out of the box. This seamless experience is a testament to our commitment to creating products that are not just intuitive but obvious. At the heart of this commitment is the Roku OS QA Team, dedicated to rigorously testing every product and feature to ensure we deliver the most reliable streaming media platform in the industry.

As part of our team, you'll leverage your diverse skills to support both Software Engineers and QA Engineers, tackling the daily challenges of their roles. Your specialist knowledge will be invaluable in suggesting improvements to enhance quality and streamline workflows, ensuring we continue to exceed our customers' expectations.

As a Software Engineer (SDET), you'll be the transformational force that revolutionizes our testing approach. You'll leverage AI and advanced analytics to identify quality gaps, architect intelligent testing solutions, and establish new standards for test effectiveness that go beyond simple coverage metrics.

What are the responsibilities of the role?

• Design and implement intelligent test analysis systems that identify quality gaps, predict failure patterns, and optimize test effectiveness.
• Design systems that collect, analyse and act on the testing data to continuously improve on the quality processes.
• Experience with systematic regression tracking and implementing process to prevent regression reoccurrence.
• Establish new methodologies for measuring and improving test quality beyond simple pass/fail metrics, focusing on regression prevention and production reliability.
• Leverage AI-powered tools for automated failure analysis, root cause identification, and test flakiness scoring.
• Define and implement architectural patterns that make testing more effective, maintainable, and aligned with business impact.

What experience would help someone be successful in this role at Roku?

• AI expertise for testing: Ability to design, implement, and optimize solutions leveraging LLMs, agentic AI systems, and predictive analytics for quality assurance.
• Experience with autonomous testing agents capable of independently discovering, executing, and adapting test strategies.
• 4+ years of hands-on experience with test architecture and automation systems design.
• 3+ years of programming experience across multiple languages with Python.
• Knowledge of continuous integration tools (Jenkins/GitLab, TeamCity, AWS) and their optimization for quality gates.
• Advanced test analysis skills: Experience with test flakiness analysis, failure pattern recognition, and automated root cause identification.
• Excellent verbal and written communication skills.
• Some working knowledge of C++.
• Certifications or training in AI/ML or AI testing (e.g., Coursera AI for Everyone, Google AI Engineer, ISTQB AI Testing Foundation).

Roku fosters an inclusive and collaborative environment where teams generally work in the office Monday through Thursday. Fridays are generally flexible for remote work, except for employees whose specific roles or assigned office location require five days' a week attendance.

Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support their evolving work and life needs.

Roku welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicable law. If you require reasonable accommodation at any point in the hiring process, please direct your inquiries to EmployeeRelations@Roku.com.

Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We appreciate a sense of humor and believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust.