About ThreatDown

ThreatDown, the corporate business unit of Malwarebytes, is redefining cybersecurity for growing businesses with solutions that stop ransomware, malware, phishing, and AI-powered attacks. Our platform is trusted, intuitive, and built for lean IT teams that need speed without complexity. At ThreatDown, you’ll join a team driven by innovation, resilience, and a passion for empowering businesses to thrive securely. If you're ready to make a real impact in cybersecurity, we’d love to meet you.

ThreatDown is looking for..

ThreatDown is looking for a Windows EDR Development Engineer to help build the next generation of endpoint detection and response capabilities for enterprise environments.

This role may be a great fit if you enjoy working close to the operating system, solving complex systems-level problems, and building security products that operate reliably at scale. You will contribute to user-mode and kernel-mode components that support endpoint telemetry, threat detection, prevention, self-protection, and remediation.





You will collaborate with detection engineers, security researchers, and platform teams to deliver high-performance, resilient, and secure endpoint technologies that help protect customers from modern threats.

We encourage candidates from a wide range of backgrounds to apply, even if they do not meet every qualification listed below. If your experience gives you the ability to contribute to this work, we would like to hear from you.

What You Will Do

Design, develop, and maintain Windows endpoint sensor components in C++ and C#.
Build and enhance telemetry collection, detection, prevention, and response capabilities for EDR products.
Develop software that operates across both user-mode and kernel-mode environments.
Design and maintain Windows drivers, system services, and other low-level platform components.
Implement new endpoint protection capabilities and continuously improve existing detection technologies.
Debug and resol

📌 Principal Software Engineer (España)
🏢 Malwarebytes
📍 España