Software Engineer-Endpoint Security Agent

2/25/2026

The engineer will design and improve core infrastructure components of the security agent, focusing on strengthening its scalability, reliability, and performance in customer environments. Responsibilities also include evolving communication mechanisms and leading root cause analysis for complex system-level issues.

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

About The Company

LayerX agentless AI & Browser Security Platform protects organizations against AI, SaaS, web & data leakage risks across any browser, application, device, and identity, with no impact on user experience. Delivered as an Enterprise Browser Extension, LayerX secures all last-mile user interactions with AI, SaaS & web applications and offers the most comprehensive visibility and enforcement capabilities for AI and browsing risks, including: shadows AI and SaaS discovery, data leakage prevention across GenAI, web and SaaS channels, protection against malicious browser extensions, protection against zero-hour web attacks, identity governance over work and personal identities, and more.

About the Role

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

Key Skills

System-Level ExperienceInfrastructureSecurity AgentScalabilityReliabilityPerformanceCommunication MechanismsConfiguration MechanismsDebuggingRoot Cause AnalysisArchitectural DecisionsProduction-Grade SystemsDaemonsBackground ServicesOperating System InternalsWindows Internals