As a Principal Security Engineer, you will play a pivotal role in shaping Upstart’s security strategy, architecting, designing, and influencing our security measures across all security controls while driving our roadmap forward. Partnering closely with Engineering and business leaders, you will develop and implement security patterns to protect our products while enabling developers. This role requires an experienced security practitioner who can mentor engineers, stay ahead of emerging threats, and communicate security risks to senior and executive stakeholders.