We’re hiring a Senior System Software Engineer

At CounterCraft, we don’t just detect threats — we engage adversaries directly. Our deception-powered platform is trusted by governments and Fortune 500s to uncover, observe, and outmaneuver some of the most advanced cyber attackers on the planet.

About the Role

You’ll be part of the Security Engineering team, building the cross-platform monitoring agent that powers our adversary-facing tech. It’s the kind of code that runs deep in the system — and makes a real difference in the fight against sophisticated cyber threats.

Work remotely from anywhere in Spain, or from our San Sebastián HQ in the Miramon tech hub.

What You’ll Do

• Build and maintain low-level system software on Linux and Windows.
• Drive architecture and design decisions across both platforms.
• Provide technical leadership for new features and long-term roadmap planning.
• Maintain ...