Senior Quantum Instrumentation

Who we areCryptoNext Security is a Paris-based start-up founded in 2019, building on more than 20 years of academic research. CryptoNext is a software vendor specializing in quantum-computer-resistant cryptography (PQC: post-quantum cryptography). Its software suite, the Quantum Safe Remediation Suite, includes the world-reference Quantum Safe Library...

Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems.The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈⬛. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum...

C12 Quantum Electronics, based in Paris, is seeking an Instrumentalist / Metrologist to own the measurement chain for qubits. You will oversee the cryogenic DC and microwave control and build robust readout setups in a fast-growing team.You will work with quantum physicists to quantify noise impact, calibrate pulses, and design dashboards to monitor metrics....

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the center of one of the biggest technological breakthroughs of the century and change the course of history by building a universal quantum computer. At C12, we believe that achieving a true breakthrough in quantum computing requires rethinking the fundamentals. That’s why our...

C12 Quantum Electronics in Paris seeks a Senior Software Engineer to shape the future of quantum measurement. You will build the framework that runs experiments on quantum computers, collaborating with R&D and engineering teams to deliver scalable software.The role emphasizes ownership of the software lifecycle, high-performance backend systems, and...

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the center of one of the biggest technological breakthroughs of the century and change the course of history by building a universal quantum computer.At C12, we believe that achieving a true breakthrough in quantum computing requires rethinking the fundamentals. That’s why our...

Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems.The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈⬛. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum...

C12 Quantum Electronics in Paris is seeking a Senior Software Engineer to shape the future of quantum measurement. You will build and maintain the software framework that enables experiments on quantum computers, collaborating with R&D and hardware teams.The role emphasizes scalable backend systems, Python, and data-driven workflows, with opportunities to...

We are looking for a Senior Optical Systems Engineer to own the architecture, development, integration, and validation of Rivercell's optical subsystems. You will develop both the patterned-light projection system used to actuate droplets from below the microfluidic chip and the illumination and imaging system used from above to monitor the device and...