Expert Optimal Control Scientist (Quantum Computing)

Location: Paris, France; hybrid workplace. Flexible remote work is available for up to 40% of the month.

Company

Develops a universal, fault-tolerant quantum computer based on superconducting Schrödinger cat qubits with autonomous quantum error correction.

What you will do

• Design and optimize quantum control strategies for gate fidelity, state preparation, and measurement.
• Develop pulse-shaping and feedback-stabilization schemes for the cat-qubit platform.
• Build numerical models and simulations to evaluate control strategies at scale.
• Validate performance and robustness before deployment on hardware.
• Collaborate with experimentalists, chip design, performance optimization, calibration, and quantum error correction teams to implement and iterate control solutions through production.
• Advance the mathematical foundations, state-of-the-art knowledge, and internal toolkit for qubit control.

Requirements

• 4+ years of research experience in control theory or a related domain after a PhD in applied mathematics, control theory, physics, or a closely related field.
• Strong foundation in mathematical control theory, including model-based and model-free optimal control, controllability, and reinforcement learning.
• Experience controlling dynamical systems and applying numerical modeling, simulation, and scientific computing.
• Familiarity with data-driven control methods and reachability analysis.
• Ability to translate theoretical methods into measurable engineering outcomes and collaborate across research, software, and hardware teams.
• Professional-level English proficiency required in written and spoken communication.

Culture & Benefits

• Hybrid work with flexible remote work for up to 40% of the month.
• BSPCE plan and bonuses for contributions to core patents.
• 25 days of vacation under French law plus RTT.
• Parental support, including crèche assistance or additional days off for childcare.
• Health coverage, mental health support, meal vouchers, transportation cost coverage, and sports membership subsidy.
• French language courses and opportunities to learn, develop ideas, and grow within an early-stage startup.

Hiring process

• Screening call with Talent Acquisition.
• Hiring manager, technical, leadership, and fit interviews.
• Reference check.