Quobly
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Senior Quantum Software Engineer

Products & Technology

Grenoble, France

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CDI

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Jun 29, 2026

What awaits you every day at Quobly

Quobly aims to have a strong impact on society by providing cost-competitive universal quantum processors to solve currently intractable problems.
Founded in 2022, Quobly is a fast-growing start-up located in Grenoble’s vibrant and multidisciplinary ecosystem. The company relies on the CNRS Neel Institute and CEA-Leti and benefits from the dynamic of strong links between research and industry.
We are looking for a Quantum Software Engineer.
As a Quantum Software Engineer, you will be responsible for developing, optimizing, and maintaining hardware-aware software for Quobly quantum computing systems.

Technical Challenges

  • You will optimize our pulse-level simulation framework to support accurate gate design and hardware development.
  • You will develop new features and capabilities in our simulator stack based on the latest innovations from the quantum information and quantum error correction teams.
  • You will contribute to software quality through comprehensive testing, documentation, and code review.
  • You will drive technical discussions and collaborations across teams to shape the evolution of our quantum software stack.

Collaboration

  • Collaborate with talented people in a culture of transparency and autonomy.
  • Collaborate with Quantum information, QEC, and Modeling Teams.
  • Connect with all the teams at Quobly.

You Are Special Because

  • You hold a PhD in Physics (Condensed Matter / AMO), Quantum Information, or a closely related field.
  • You have a strong background in (open) quantum systems, and/or semiconductor spin physics.
  • You have proven software engineering skills (Python, C++, or similar) with experience in scientific computing and numerical optimization.
  • You have experience translating theoretical methods into efficient, maintainable code.
  • You have excellent communication skills, with the ability to explain complex physical concepts to engineers and translate experimental feedback into theory refinements and code updates.

Nice to have:

  • Experience with quantum software frameworks such as Qiskit, QuTiP, or equivalent.
  • Proven track record of open-source contributions, or industrial R&D projects.

Working at Quobly also means

  • A unique workplace, combining industrial dynamism, technological innovation and a unique natural and cultural living environment.
  • The opportunity to continue to train, to develop skills by working with the best researchers in the field
  • A collaborative work environment, a culture that has trust as its pillar and where your work will be recognized, and much more!
  • Contribute to the influence of Quobly through the sharing of our progress in international conferences
  • The possibility of having a pro-life balance with a standard day package of 213 days worked/year
  • The possibility of teleworking up to 4 days a week depending on the position
  • Offices near Grenoble train station or Paris downtown
  • Assistance with soft travel or public transport

For us, quality work is based on professionalism, trust, surpassing oneself and collaboration in an environment where fun and celebration is as essential as it is natural. We are an equal opportunity employer and welcome applications from all qualified individuals.

Apply now

Excited about this opportunity? Apply now and join Quobly's innovative team!

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Recruitment process

1

Application

Submit your resume and cover letter through our online portal. Our team carefully reviews each application.

2

First contact

Initial discussion with the recruitment team to present the company and the position (approximately 30 minutes, by phone or video call)

3

Meet the team

Interview with the team manager (approximately 1 hour)

4

Final interview

Interview with the Head of the Department (approximately 1 hour)

5

A swift response

You will receive an offer in the shortest possible timeframe.

6

Onboarding

Welcome to the team! We're thrilled to have you join us on this exciting journey. Get ready to collaborate, innovate, and make a real impact.