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Senior Security Engineer

Hopper | london, United-Kingdom | Posted June 29, 2026

Position Overview

Requirements

  • At least 5 years experience software and/or platform engineering, with the ability to design, build, and maintain production-quality tools
  • Deep experience in application security and vulnerability management — you understand CVEs, dependency risks, container security, and SDLC integration, and you have opinions about what's worth fixing and what's noise
  • Hands-on experience with cloud infrastructure, ideally GCP/GKE or equivalent, with the ability to adapt to our stack
  • A demonstrated habit of using AI tools — coding assistants, LLMs — as a core part of how you build and analyse, not an occasional shortcut
  • A bias toward automation — when you see a repetitive manual task, your instinct is to write a tool, not a runbook
  • Comfort with ambiguity and ownership — you'll often be the only person on a problem and will need to make judgment calls on priority, approach, and scope without waiting for direction
  • ...

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