Alice & Bob
Alice & Bob

Quantum Experimentalist

Résumé du poste
CDI
Paris
Télétravail fréquent
Salaire : Non spécifié
Compétences & expertises
Collaboration et travail d'équipe
TICK
Python

Alice & Bob
Alice & Bob

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Le poste

Descriptif du poste

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!

About the role

The Performance Optimization (PoP) team aims at using advanced ML & Optimization tools on all the lifecycle of a quantum chip: design, simulation, calibration, operation, error correction. You will be joining a passionate and focused team within an amazing organisation dedicated to build a universal and fault-tolerant quantum computer without taking any detours.

As a Quantum Experimentalist on the PoP team, you will drive the innovation and improvement of our cat-qubit processors. You'll measure, characterize, and optimize our quantum circuits, while also enhancing our experimental tools and setup. Your role involves integrating machine learning and optimization into our hardware design and collaborating with internal teams to advance our company's experimental roadmap.

Responsibilities

  • Collaborate with the device theorists and machine learning research scientists of the team to conceive new ways of characterising and optimising the hardware
  • Implement measurements, run and analyse data
  • Drive new gate measurements and calibration methods from idea to integration in the cat qubit quantum processors
  • Apply state-of-the-art methods of control of superconducting circuits to cat qubits
  • Contribute to the expansion of the knowledge base of Alice & Bob and the continuous training of experimentalists
  • Manage external collaborations

    • Requirements

  • PhD or postdoc and 3+ years of experience driving experimental work in quantum mechanics, preferably in the field of superconducting quantum circuits
  • Expertise in Microwave control and measurement of superconducting quantum circuits 
  • Solid experience with data analysis and comparison to theory or numerical simulations (preferably with Python) 
  • First-hand experience with circuit design, simulation and error correction protocols
  • Strong gate design and benchmarking skills
  • Ability to showcase Scientific Writing skills
  • Professional-level English proficiency, both written and spoken.

    • Benefits

  • 25-day vacation policy (as per French law) + RTT
  • Half of transportation cost coverage (as per French law), or yearly allowance for bike enthusiasts
  • Competitive health benefits with Helium/AXA
  • Meal vouchers with Swile, as well as access to a fully equipped kitchen
  • Parental benefits with crèche support
  • Flexible remote policy, up to 40 % a month
  • Language courses covered by the company
  • Mental health support with moka.care
  • Subsidized membership with Urban Sports Club

    • Recruitment Process

  • Screening Call with Grace, Talent Acquisition Specialist (30-45 min)
  • Hiring Manager Interview with Jérémie (45 min)
  • Technical Interview/Presentation with the Team (60 min)
  • Leadership/Fit Interview (45 min)
  • Reference 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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