Security Engineer / Staff Engineer

New
I
Imunify360Cybersecurity
Poland. United Arab Emirates. Brazil. Argentina. Spain. SerbiaFull-TimeStaff
SalaryUp to $12,000 gross/month (before taxes, under a B2B agreement)
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Job Details

Languages
English (Intermediate or higher)
Required Skills
Node.jsLinux

Requirements

  • Experience in Security Engineering or Security Research with a deep understanding of attack vectors and defense methods.
  • Proven ability to independently build and ship a product from scratch (end-to-end ownership).
  • Ability to take an ambiguous problem, define a solution, and deliver a working result.
  • Experience designing architecture and making key technical decisions.
  • Intermediate or higher proficiency in written and spoken English.
  • Comfortable using AI-assisted development tools to build MVPs.
  • Security experience in the context of Node.js (vulnerability analysis and research).
  • Experience with Linux in production and development environments.
  • Knowledge of Runtime Protection, WAF, instrumentation, malware analysis, and Incident Response.
  • Understanding of Detection Engineering and false positive management.

Responsibilities

  • Define the technical approach for building runtime protection inside the Node.js process.
  • Design the detection logic to identify and block attacks during application execution.
  • Build and launch the first version of the product in real production environments.
  • Ensure the protection works without requiring changes to client code and without breaking legitimate applications.
  • Continuously improve the product based on telemetry, production feedback, and real-world incidents.
  • Achieve target values for runtime overhead, false positives, false negatives, and customer escalation volume.
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Up to $12,000 gross/month (before taxes, under a B2B agreement)
Apply Now