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As a Principal Engineer, you will serve as a key technical leader driving the architecture, scalability, and innovation of our cloud services platform. In this high-impact role, you’ll focus on evolving the core backend infrastructure that powers ADT’s smart security ecosystem—with a strong emphasis on distributed systems, AI-driven capabilities, and reliability at scale. You’ll collaborate across engineering teams to define technical strategy, lead architectural decisions, and prototype cutting-edge solutions—especially where cloud, data, and machine learning intersect. This role demands deep technical expertise, a collaborative mindset, and a strong product sense. It’s a unique opportunity to shape the future of home security and automation for millions of users.