Dan Cuellar is an engineering manager and founder with 13 years of experience building and leading teams that deliver reliable automation, testing, and production infrastructure at scale. Currently managing Customer Engagement System Integrity for Apple Media Products, he combines hands-on development in Python, Swift, JavaScript and Kubernetes with a focus on observability, automated QA, and cross-service integrations. He previously led core Siri infrastructure in Cambridge and has a track record of introducing automation and CI/CD across mobile and web platforms at companies like Shazam, Zoosk, and FOODit. As the creator and long-time contributor to Appium, Dan helped shape a widely adopted cross-platform mobile automation framework, contributing key iOS commands and tests that improved its robustness. A dual U.K./U.S. citizen with a Carnegie Mellon CS background, he blends product-minded engineering leadership with deep practical expertise in device automation and developer productivity.
13 years of coding experience
13 years of employment as a software developer
High School Diploma, High School Diploma at Incarnate Word Academy
BS Computer Science, BS Computer Science at Carnegie Mellon University
Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol
Role in this project:
Mobile Developer (iOS) & Test Automation Engineer
Contributions:124 commits, 9 PRs, 5 pushes in 4 years 2 months
Contributions summary:Dan contributed significantly to the `appium/appium` repository, focusing on iOS-related functionalities. Their work involved implementing new mobile commands like `shake`, `scrollTo`, and `setLocation`, directly impacting the framework's capabilities for iOS automation. The user also added tests for these new commands, which enhances the robustness of the Appium's iOS testing suite. The user's contributions improve both the functionality and test coverage of the iOS automation features.
Contributions:3 releases, 72 commits, 4 pushes in 2 years 7 months
mac-appmacautomationmacosjson
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Dan Cuellar - Engineering Manager - Apple Media Products