Endpoint Engineer

San Francisco-based cybersecurity startup seeking a Backend Engineer to build low-latency, real-time microservices for an AI-powered data leak prevention platform. The role focuses on developing data exfiltration prevention solutions on endpoints with deep OS-level expertise.

• Design and develop data exfiltration prevention apps, drivers, system extensions and services on MacOS or Windows
• Maintain and evolve mission-critical agents on endpoints
• Own complex features from design to delivery and troubleshoot customer issues
• Design and build secure software with cross-platform deliverables for Windows and MacOS
• Write and maintain documentation for internal and public services

• Minimum 5+ years of related work experience
• Expertise in Objective-C, Swift on MacOS or C/C++ on Windows
• Practical development experience with Endpoint Security System Extension on MacOS or WDF, filter drivers on Windows
• Knowledge of IOKit and MacOS VFS model (MacOS) or user mode apps familiarity (Windows)
• Readiness to learn other systems languages such as Rust, Go, Python
• Experience with kernel-level debugging processes and tools
• Ability to use reverse engineering techniques and debug kernel space code
• Ability to decompose complex business problems and own them end to end across teams
• Upper-Intermediate English proficiency

• Long-term employment with competitive compensation based on experience
• Possibility to work remotely
• Open, transparent and fun work culture
• Multi-national team and collaborative work environment
• Continuous knowledge sharing with engaged co-workers
• Career and professional growth opportunities