We are looking for a Principal Engineer with deep experience designing and operating high-throughput, multi-tenant cloud services, and a demonstrated ability to define end-to-end architectures across service, data, security, reliability, and operational boundaries. You will apply broad technical depth to make sound architectural trade-offs, establish durable engineering patterns, anticipate failure modes, and guide teams toward secure, scalable, diagnosable, and maintainable solutions. Responsibilities include: * Own the architecture and technical direction for large-scale distributed services, defining system boundaries, interfaces, data flows, and evolution strategies that support long-term business and platform needs. * Drive best-in-class engineering across services by establishing reusable patterns and ensuring components are modular, secure, reliable, diagnosable, actively monitored, and designed for independent evolution. * Apply broad technical depth across distributed systems, cloud infrastructure, data, identity, security, and developer platforms to evaluate trade-offs and influence decisions that span multiple teams and technology layers. * Translate customer and partner needs, product signals, and operational data into coherent technical strategies, architecture roadmaps, and pragmatic investment priorities. * Lead the resolution of complex cross-service and LiveSite issues, identify systemic failure modes, and drive architectural improvements in automation, resiliency, scalability, observability, and cost efficiency. * Serve as a technical leader across the organization by mentoring engineers, raising design and code quality, leading rigorous architecture reviews, aligning stakeholders, and influencing engineering direction beyond the immediate team. Bachelor's Degree in Computer Science or a related technical field AND 8+ years of technical engineering experience designing systems and coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python, OR equivalent experience. These requirements include but are not limited to the following specialized security screenings: Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Certain roles may be eligible for benefits and other compensation.