full time

Quantum Communication System Developer

Posted by Xen Quantum • Cambridge, England, United Kingdom

📍 Cambridge, England 🕒 June 20, 2026

About the Role

About us

Xen Quantum is building next-generation quantum communication systems based on silicon photonics and a patented architecture, enabling practical and scalable quantum key distribution (QKD). Our technology simplifies implementation and lays the foundation for high-volume manufacturing and real-world deployment.

 

Position Overview

We're looking for a Quantum Communication System Developer to join as one of our first technical hires and play a defining role in shaping both our technology and the engineering culture.

This is a hands-on role at the intersection of quantum optics, photonics, cryptography and system engineering - spanning laboratory development, system integration, and early field deployment with customers.

 

What You'll Do

  • Develop, integrate, and characterise quantum key distributi...

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