Quantum Software Engineer
Job description
Develop the software stack for controlling Quandela's spin-photonic quantum computers, including a compilation stack translating high-level quantum circuits into hardware-aware pulse schedules and a digital twin of future QPUs. The role sits at the interface of theory and engineering teams.
At a glance
- Employment
- Full-time
- Work mode
- Hybrid · Massy, France · Paris, France
- Languages
- English
What you'll do
- Develop a new compilation stack translating high-level quantum circuits into hardware-aware pulse schedules optimized for our photonic quantum computers
- Drive long-term architectural strategy, technical roadmap, and cross-organizational alignment
- Contribute to the development of a digital twin, receiving hardware instructions to simulate the behavior of our future QPUs
- Stay up to date with the latest developments in quantum software
What we're looking for
- Master's, or PhD in Quantum related field
- 2/4+ years of relevant experience in quantum software, quantum hardware automation, or related topics
- A good understanding of photonic-based quantum computing
- Strong proficiency in python
- Experience working at the interface of software, experimental hardware, and theory teams in the industry or academia
- Collaborative mindset, able to serve as a bridge between various teams
Nice to have
- Proficiency in at least one system language (C++ or Rust)
- Exposure to the quantum computing frontends and related ecosystem (e.g. cirq, qiskit, openqasm, cuda-q)
- Hands-on experience with quantum photonic systems
- Familiarity with compilation mechanisms such as LLVM or compilation to microcode
Benefits
- Competitive salary, flexible based on your experience
- Profit-sharing & company savings plan
- 100% health coverage (Alan)
- 50% transport reimbursement or sustainable mobility bonus
- Meal vouchers (Swile), Gymlib fitness support
- Childcare assistance & referral bonuses (€1,000–€2,000)
- A meaningful role with real ownership, from day one
- A team eager to collaborate and grow with you
- A hybrid work model (3-4 days/week onsite in Massy, 1 day in Paris or 1 to 2 days remotely)
- Daily exposure to the entire quantum stack — from high-level APIs to low-level firmware, and everything in between
How to get hired
- 1Talent Acquisition Interview (30' - 45')
- 2Hiring Managers Interview (45')
- 3Use Case (a live use case or one to be prepared at home and presented afterward)
- 4Meeting with the teams
- 52 to 3 reference check
- 6Offer
Apply
Direct apply at Quandela
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About Quandela
Leading Photonic Quantum Computing Solutions
Quandela is a global leader in quantum computing, designing, building, and delivering cutting-edge quantum solutions for research and industry. Its offerings include a very energy-efficient quantum computers for data centers, full-stack quantum computing solutions accessible via the cloud, and algorithm access services for academic and industrial customers. Following a pragmatic, step-by-step roadmap, Quandela has been deploying industrial-grade systems since 2023 while developing future generations of fault-tolerant quantum computers capable of scaling through the integration of thousands of photonic components.
Mission
Quandela is committed to making quantum computing accessible to all in order to address the most complex industrial and societal challenges.
Key facts
- Quantum computing
- Deploying industrial-grade systems since 2023
- Developing future generations of fault-tolerant quantum computers capable of scaling through the integration of thousands of photonic components
- Offers energy-efficient quantum computers for data centers, full-stack quantum computing solutions accessible via the cloud, and algorithm access services
What they value
- Respectful, inclusive, and welcoming work environment