Google is seeking a Senior Software Engineer to join their Open Source Security Team (GOSST). This role is crucial for Google's core infrastructure, focusing on security engineering and open-source software development. The position involves working across multiple teams including Managed Open Source Software (MOSS), Information Security Engineering (ISE), and COE to drive rebuild and signal generation capability over packages and ecosystems. The role requires expertise in software development, security protocols, and large-scale system design. As part of the Core team, you'll have the opportunity to impact technical decisions across the company, build central solutions, and strengthen existing systems. The ideal candidate should have strong experience in software development, testing, and architecture, with a focus on security engineering and open-source software. You'll be working on projects critical to Google's needs, with opportunities to switch teams as the business evolves. The role offers the chance to work on technologies that affect billions of users, handling information at massive scale across various domains including distributed computing, security, AI, and system design. Google provides a collaborative environment where engineers can be versatile, display leadership, and tackle new challenges across the full technology stack.