Software Engineer-Endpoint Security Agent

Description We are looking for a Senior Software Engineer with deep system-level experience to help strengthen and scale the infrastructure behind our security agent. In this role, you will work closely with multiple teams across the organization, focusing on building robust foundations that support reliability, performance and growth of an already production-proven agent. LayerX Security LayerX Security is a fast-growing cybersecurity company helping modern enterprises safely adopt AI. Our platform secures browsers, AI tools, SaaS applications and developer environments by providing real-time visibility and control exactly where today’s work happens. By combining intelligent automation with human-defined policies, we protect data, users and workflows across browsers, extensions and endpoints. Our Engineering Values: Customer First Engineering Excellence Continuous Improvement Shared Accountability Strong Ownership Challenge Anything Responsibilities Design and improve core infrastructure components of the LayerX security agent Strengthen scalability, reliability and performance of the agent in real-world customer environments Build and evolve communication, update and configuration mechanisms for the agent Work across teams to support agent-related infrastructure needs and long-term scalability efforts Debug complex system-level issues and lead root cause analysis in production-like environments Influence architectural decisions related to agent infrastructure and scale Requirements 5+ years of experience building production-grade systems or system-level components Proven experience developing agents, daemons or background services Strong understanding of operating system internals and cross-platform system behavior Hands-on experience with Windows internals, including services, processes, permissions and system APIs Experience building scalable, reliable systems that run continuously on customer machines Strong problem-solving skills and a high ownership mentality Advantages: Experience with Rust, c/c++/go in real-world, production environments Background in cybersecurity, endpoint security or data protection Experience with performance optimization, concurrency or low-level debugging