The Role
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 error correction autonomously!
We are at the forefront of the quantum race, competing with tech giants such as Google or IBM, and we are growing fast after securing €100 million of funding in 2025 to develop our unique technology.
Currently 100+ and counting, between physicists, PhD students, engineers and experienced business professionals, we are united to reach our ambitious goal. Are you a quantum pioneer? Join us on a mission to reshape the future!
The race to build a stable logical qubit has only just begun. At Alice & Bob, we’re following a unique approach using protected qubits to make error correction faster and more efficient than other platforms. This method blocks bit-flips, so only phase-flips need correcting.
Yet, the bit flip error rate currently saturates to about one error every 100 seconds, a value that is thought to be set by the rate of high energy particles impacts on the chip. We believe there is a way of mitigate this limitation. Would you be willing to help us to implement it ?
Responsibilities:
- learn some of the art of chip design
- learn how to design and perform an experiment
- Use advanced data analysis in python
- simulate the impact of high energy particles on a superconducting qubit - manage a project
- write reports about the project results and present them
Requirements:
- 4+ years at university with Physics as a major, preferentiably with advanced quantum mechanics courses
- Advanced knowledge in python - Advanced knowledge in statistics
Benefits:
- 1 day off per month
- Meal Vouchers with Swile
- 50% Navigo reimbursement
Recruitment process
- Screening call with the Hiring Manager (30 mins)
- Technical assessment with different team members (60 mins)
- Final interview with Talent Acquisition (30 mins)
- Ref check
Research shows that women might feel hesitant to apply for this job if they don't match 100% of the job requirements listed. This list is a guide, and we'd love to receive your application even if you think you're only a partial match. We are looking to build teams that innovate, not just tick boxes on a job spec.
You will join of one of the most innovative startups in France at an early stage, to be part of a passionate and friendly team on its mission to build the first universal quantum computer!
We love to share and learn from one another, so you will be certain to innovate, develop new ideas, and have the space to grow.
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The Company
What We Do
Founded in 2020, Alice & Bob secured $30 M funding in Series A.
Today, we're recognized as one of the leaders in Quantum Computing.
Our cat qubits are error corrected by design, reducing hardware requirements by up to 200 times compared to other platforms enabling fault-tolerant quantum computing at scale.
Our headquarters is located in Paris, with offices in Boston, MA.
We are 80+ smart and dedicated innovators, coming from 17+ countries and growing by the day. We are committed to one mission: build a useful quantum computer.
Check open positions: bit.ly/joinusatAB
