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Application Software Engineer, Endpoint Security

Develops and maintains cross-platform endpoint security agent for Windows, macOS, and Linux using Go and JavaScript. Handles system monitoring, threat detection, secure cloud communication, and compliance enforcement. Requires 5+ years systems programming experience and OS internals knowledge.

110k – 180kBeaverton, ORSecurity EngineeringRemote5+ YOE

About the role

Key Responsibilities

  • Design and implement cross-platform agent functionality for Windows, macOS, and Linux using Go and JavaScript
  • Build low-level configuration automation and system monitoring capabilities that interact with OS-specific APIs and security frameworks
  • Develop secure communication protocols between agents and our cloud platform using gRPC or REST APIs
  • Implement real-time threat detection and response capabilities at the endpoint level
  • Create robust update and deployment mechanisms that ensure agents remain current without disrupting user workflows
  • Build telemetry collection systems that provide visibility into device security posture while respecting privacy
  • Collaborate with the security team to implement new detection rules and compliance checks
  • Ensure agent performance is optimized to minimize system resource usage
  • Develop comprehensive testing strategies for multi-OS compatibility
  • Create tools and dashboards for monitoring agent health and deployment status across thousands of endpoints

Qualifications

  • 5+ years of professional software development experience with a focus on systems programming or security software
  • Strong experience with Go and JavaScript for building production-grade applications
  • Deep understanding of operating system internals across Windows, macOS, and Linux
  • Experience with low-level configuration automation and system administration across multiple platforms
  • Proven experience with gRPC or REST API design and implementation
  • Experience building software that runs with elevated privileges while maintaining security
  • Strong understanding of endpoint security concepts and best practices
  • Experience with cross-platform development challenges and solutions
  • Excellent debugging and troubleshooting skills for complex system-level issues

Bonus

  • Experience with Electron for building cross-platform desktop applications
  • Experience with Windows APIs, macOS system frameworks, or Linux kernel interfaces
  • Background in cybersecurity, particularly endpoint detection and response (EDR) or mobile device management (MDM)
  • Experience with certificate management and cryptographic operations
  • Familiarity with compliance frameworks (SOC2, ISO27001, HIPAA)
  • Experience with real-time data streaming and event processing
  • Bachelor's or Master's degree in Computer Science, Cybersecurity, or related field

Skills

GoJavaScriptgRPCREST APIsWindows ApisMacos FrameworksLinux KernelElectronEndpoint SecurityCross-Platform Development

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