Senior Testing Engineer

Robots & Pencils is an applied AI engineering firm building the next frontier of business architecture. We design and ship AI co-workers that integrate into enterprise operations and deliver measurable results for our clients. We're all in on AWS, combining deep UX capability with senior engineering talent to get AI into production fast and keep it there. We’ve earned the trust of leaders across Consumer Products and Retail, Education, Energy, Financial Services, Healthcare, and Manufacturing and more, and earned a reputation as the nimble alternative to traditional global systems integrators. Founded in 2009, with delivery centers in Canada, the United States, Eastern Europe, and Latin America, we are smaller, faster, and more senior by design. Our teams average 15+ years of experience. We move fast, sweat the details, and build things that actually ship. Position Overview We’re looking for a Senior Testing Engineer to lead quality across complex software features, AI/ML systems, and integrated platforms. This role is ideal for an experienced engineer who is knowledgeable across both automation and AI testing, enjoys hands-on work, and is growing into owning testing strategy and architecture. In this role, you will work as part of a cross-functional team, designing automation frameworks, validating ML models and AI workflows, and driving quality throughout the delivery process. You’ll collaborate closely with developers, ML engineers, and product teams to deliver high-quality features and develop the technical instincts that come from shipping things that matter. Why This Role Matters At Robots & Pencils, we design AI systems for a human world. Our name says it all. Robots and pencils means engineering paired with creativity, because every agent we ship has to work for real people in real workflows. That balance is baked into how we operate. Every role here contributes directly to that mission. Here, you shape how AI systems integrate into enterprise operations, how teams move at real velocity, and how products create measurable impact for clients and the people they serve. We ship production-ready AI in 30 to 45 days. That pace demands people who take ownership, lead with craft, and care deeply about what they put their name on. What You’ll Do Craft & Delivery Design and develop scalable automation frameworks for UI, API, and integration testing (e.g., Cypress, Playwright, Selenium, PyTest, TestNG, Cucumber) Integrate automated tests into CI/CD pipelines and drive CI/CD quality gates (e.g., GitHub Actions, GitLab CI, Jenkins) Design AI-specific test strategies and validate ML models across key metrics including accuracy, precision, recall, bias, and drift Test data pipelines, feature engineering processes, and validate LLM responses for hallucination risk and output consistency Perform test planning, review automation code, and ensure best practices are applied across the test codebase Monitor model quality in production environments and support release validation and quality assurance processes Bring an AI-forward mindset to your daily work, using tools like Claude, Cursor, and other modern AI assistants to ship higher-quality work at pace Collaboration & Communication Collaborate closely with developers, ML engineers, DevOps, and product teams across the full SDLC Communicate quality status, testing findings, and risks clearly to stakeholders Participate actively in sprint ceremonies, design reviews, and release planning Leadership & Influence Lead quality efforts end-to-end with growing ownership of testing strategy and automation architecture Contribute to QA standards and best practices, and identify opportunities to improve coverage, reliability, and automation Begin mentoring junior engineers, sharing knowledge and supporting their growth What You’ll Bring 3–4+ years of experience in QA, data QA, or AI testing, with solid knowledge across both automation and AI testing Strong programming skills in Python and at least…