C12 Quantum Electronics

Join our Theory team in Paris for a Quantum Error Correction Internship. You will implement numerical simulations in Python, benchmarking directional codes and decoders under realistic noise models. This role requires a strong background in quantum physics, linear algebra, and programming. Gain h...

Join C12 in Paris as a Systems Engineer, MBSE, and pioneer systems engineering methods in quantum computing. You will bridge fundamental research and industrial engineering, shaping complex quantum hardware from concept to scalable architecture. We seek an expert with 8+ years in MBSE, a physics ...

Join C12's core software team in Paris as a Senior Software Engineer. Develop tools and maintain the quantum emulator Callisto to support groundbreaking R&D. Leverage 5+ years of experience in a dynamic role involving Python, APIs, and cloud tech. Enjoy stock options, global conferences, and a vi...

Join C12 in Paris as a Research Engineer in Low Temperature Electronics. You will develop and operate cryogenic instruments to characterize carbon nanotube devices using DC and RF methods. This role combines Python programming with hands-on experimental lab work and hardware design. We offer stoc...

Lead the Qubit Control team at a cutting-edge quantum computing company in Paris. You will manage and grow a team of physicists, optimizing qubit gate performance on advanced quantum chips. This role requires 5+ years of technical leadership experience and a strong physics or engineering backgrou...

Join our HR team in Paris as an HR Intern, reporting directly to the HR Manager. You will support scalable HR practices, onboarding, and daily operations in a dynamic, international environment. This 5-6 month internship offers great office spaces, Swile vouchers, and a vibrant culture.

Lead the Finance function for a fast-scaling quantum startup in Paris. You will secure funding, strengthen FP&A, and build a scalable finance stack. The role requires 6+ years in strategic finance and fluency in English and French. Partner with the executive team to drive growth and manage all fi...

Join C12 in Paris as an R&D Intern to help build quantum computers solving problems beyond supercomputers. Utilize your MSc/MEng and 6+ months of experience in a hands-on role operating apparatus and developing new setups. This is a unique opportunity to learn in an exceptional scientific environ...