Overview

We’re hiring a Backend Engineer for our Security Research group to build the systems that power our open-source intelligence work – ingesting public package ecosystems (NPM, PyPI), monitoring them continuously, and detecting malicious behavior at scale. This is a highly autonomous IC role where you’ll own projects end-to-end – transforming researcher prototypes into scalable production systems.

Responsibilities:
  • Build scalable scraping and ingestion pipelines for public package registries (NPM, PyPI, etc.)
  • Design and maintain distributed systems based on APIs, workers, queues, and databases
  • Develop detection mechanisms for: malicious install hooks, embedded binaries, obfuscation techniques, suspicious package behavior
  • Build and improve risk-scoring algorithms to prioritize real threats
  • Work closely with security researchers to productionize detection capabilities
Required Qualifications:
  • 5+ years of backend development experience with Python and/or Node.js / TypeScript
  • Hands-on experience with large-scale scraping systems
  • Strong knowledge of distributed architectures: queues, workers, PostgreSQL, Redis
  • Production experience with Docker / docker-compose
  • Strong ownership mindset and ability to work autonomously
  • Full professional English proficiency
Nice To Have:
  • Malware analysis or reverse engineering experience
  • Familiarity with ELF / PE / Mach-O formats
  • Background in security research or software supply-chain security
Technologies:
  • Python
  • Node.js
  • TypeScript
  • PostgreSQL
  • Redis
  • Docker
  • docker-compose
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