•••••••••• is hiring an experienced security researcher or engineer to build a new runtime protection product for Node.js applications hosted on managed hosting infrastructure.

Responsibilities:

  • Define the product, technical approach, instrumentation strategy, and methodology for detecting malicious or vulnerable behavior.
  • Build and ship the runtime protection layer end to end, from research and architecture through implementation, release, and production iteration.
  • Use threat intelligence from ••••••••••'s existing security stack to improve detection.
  • Optimize runtime overhead, false positives, false negatives, and customer-escalation volume.

Requirements:

  • Experience building and shipping a new product, security solution, major feature, or technical system from scratch.
  • End-to-end technical ownership, including investigation, architecture, implementation, release, and production iteration.
  • Strong web application security knowledge and current knowledge of practical exploitation.
  • Understanding of how detection rules perform at scale, including avoiding false positives on legitimate code.
  • Ability to work hands-on across product management, architecture, engineering, and QA, and direct AI coding agents effectively.

Nice to have: Runtime protection, application firewall, or instrumentation experience; malware analysis or incident response; managed-hosting experience; public security research, vulnerability disclosures, or authored detection rulesets; familiarity with Node.js and the JavaScript ecosystem.

Conditions and benefits: Fully remote work with flexible hours; 24 paid vacation days, 10 national holidays, and unlimited sick leave; private medical insurance compensation; coworking and gym/sports reimbursement; education budget; professional development and challenging projects; potential reward for an innovative patentable idea.