StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels.

StackAdapt is seeking a talented Staff Quality Engineer to join the Automation and Intelligence Pillar pod, the group building StackAdapt's AI and agentic products. As the most senior quality engineer on the team, you will set the technical direction for how we test, evaluate, and ship intelligent systems, working across LLM-powered features, agentic workflows, and the data and tooling that support them. This is a hands-on, individual-contributor leadership role: you will lead the effort to design quality strategy for non-deterministic AI systems, build the frameworks and harnesses that make those systems testable, and raise the quality bar across a fast-moving, cross-functional agile environment.

Your work will directly affect the success of product releases, accelerate our defect detection and prevention capabilities, and help define what quality means for AI at StackAdapt. v=LXM2NrkhKZc StackAdapt is a remote-first company; we are open to candidates located anywhere in Canada and the United States for this position.

Requirements

, priorities, and definitions of done Act as a technical mentor and force multiplier across the QE org, promoting QE best practices, driving process improvements, and levelling up testing for AI systems company-wide Participate in technical planning, code review, and architectural decision-making, advocating for testability and reliability from the design stage Provide timely, actionable test result feedback to the Automation and Intelligence Pillar pod, the QA team, and other relevant stakeholders What You'll Bring to the Table: 7+ years of professional, hands-on software quality and test automation experience, with a track record of setting technical direction on complex systems Deep, hands-on experience with API UI test automation frameworks such as Playwright, Cypress, Jest, or Junit Fluency in at least one of TypeScript, JavaScript, Python, or Java with preference for TypeScript Experience testing AI/agentic systems (evals, prompt/regression testing, output validation) and using AI to scale automation (test generation, self-healing tests, failure triage) with technologies such as OpenAI, Anthropic Experience with CI/CD tools like Jenkins, Github Actions, or CircleCI Strong understanding of scalable system design for web-based APIs and backend processing systems In-depth understanding of QA methodologies in a software company with fast release cycles Proven ability to define test case design standards and coverage strategy such as edge/negative, compatibility, performance and concurrency scenarios and to own a test case ma