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Principal Software Engineer

CBSButler

barcelona, barcelona, Spain Full-time June 24, 2026

Found Description

Principal Software Engineer - Cyber Security Research - Zero to One Build - Barcelona


La siguiente información ofrece un resumen de las habilidades, cualidades y cualificaciones necesarias para este puesto.

Python / Go or Rust

This is a first engineering hire role at a next generation cyber security research company, building infrastructure that protects national security across Europe. No SaaS dashboards. No checkbox compliance. Hard systems that genuinely matter.

You'll co-design the architecture with the founders, write production code from day one, and build the foundation for an entire engineering division. Distributed execution, workflow durability, secure orchestration, air gapped deployments, the real stuff.

If you see this advert and are not interested, but know someone else who would be, we do pay referral fees for successful referrals!

What you'll own

  • Design and build complex...

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