Security Engineer / Staff Engineer
Core
Build a new runtime protection layer for Node.js applications from scratch to protect shared hosting environments, VPS, and dedicated servers against attacks.
Role type
Staff/Architect Security Engineer (Product Builder)
Builds
Runtime protection layer for Node.js applications
Domain
Cybersecurity, Cloud Infrastructure, Node.js
Deliverable
production ML models | product features
Required skills
Security Engineering, Security Research, Product Building (end-to-end), Architecture Design, Detection Engineering, AI-assisted development
Preferred skills
Node.js security, Linux production environments, Runtime Protection/WAF, Malware analysis, Incident Response, Managed hosting
Technologies
Node.js, Linux
Responsibilities
Define technical approach for runtime protection inside Node.js, Design detection logic to identify and block attacks, Build and launch first version in production, Ensure protection works without client code changes, Continuously improve product based on telemetry and feedback, Optimize metrics for overhead, false positives, false negatives, and escalations
Seniority
Staff/Architect, high ownership, hands-on builder