Quantum Communications Scientist - Co-Founder

We’re building a deep-tech startup focused on quantum communications and security, and we’re looking for a quantum expert with experience in QKD to join as a technical co-founder and help shape the technology, product, and company from the ground up. We are currently engaging with investors to raise our pre-seed round. What you’ll work on - Define and drive the technical vision for our quantum communications and security infrastructure - Develop and validate the underlying quantum/photonics technology - Design early prototypes - Evaluate quantum communication architectures and photonic components - Translate research-grade concepts into practical, scalable technology - Contribute to our technical strategy, IP, and product roadmap - Work with the founding team on research partnerships, customers discussions, fundraising, and commercialization - Build and eventually lead the technical/R&D team Your background We’re particularly interested in people with deep expertise in areas such as: - Quantum communications - Quantum key distribution (QKD) - Quantum cryptography - Quantum optics - Photonics / integrated photonics - Optical communications - Single-photon technologies / detectors - Free-space or fiber-based quantum communication A PhD or equivalent experience in quantum physics, photonics, or a related field is welcome, but we're ultimately looking for deep technical expertise, entrepreneurial mindset, and the ability to build. We’re at an early stage and operating in stealth mode. Compensation will be equity-based plus salary from Q1/2 2027, with the structure to be discussed openly based on the individual's experience, commitment, and role. You will have the opportunity to become a core member of the founding team, shape the technical direction of the company, and have meaningful ownership from the beginning. We're looking for someone who wants to do more than develop technology within an existing organization.