As a Principal Member of Technical Staff, you will  Lead the design and development of major new features within existing systems.  Collaborate within and across teams to consistently write secure, maintainable, and robust code, along with comprehensive tests.  Be responsible for driving the design and operational readiness of your features and subsystems, ensuring they meet high standards of reliability, scalability, security, concurrency,  and performance.  Contribute to planning efforts, proactively identify and mitigate risks, and influence the design of features and subsystems across the organization. Mostly operate independently on most projects, and occasionally seeking guidance in areas requiring deep industry experience with mission-critical systems. Identify and resolve issues without external input, lead root cause analyses, and propose effective solutions. Implement solutions that reduce operational overhead,  Enhance compliance with organizational standards and systematically reduce technical debt.