Location
cambridge, england, United-Kingdom
Posted
June 20, 2026
Job Description
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 distribution (QKD) systems, with a focus on optical subsystems and protocol execution.
- Design, test, and evaluate photonic integrated circuits...