Senior Hardware/Software Engineer

Quandela stands as a global leader in quantum computing, driven by groundbreaking technology and a strategic vision for scaling quantum solutions. The company’s unique ability to offer both hardware and software solutions, along with its commitment to build energy efficient datacenters and scalability, positions it to play a key role in the next wave of innovation, and in many strategic and sovereign industrial sectors. 

Join Us at the Forefront of Quantum Computing Innovation 🚀 
We are looking for a senior Hardware / Software Engineer profile with more than 10 years of experience, capable of working on complex systems combining hardware, FPGA, firmware, embedded software, RF, optics/photonics, and system integration.

The position involves strong interaction with various technical teams: optics, electronics, FPGA, firmware, software, application developers, and hardware integration. The person will work within a multidisciplinary team of approximately 30 people and will report to the Hardware Integration Manager.

Hardware/Software Architecture and System Integration

• Design, integrate, and validate complex hardware/software systems.
• Contribute to the architecture of high-performance embedded systems.
• Ensure integration between electronic boards, FPGAs, firmware, embedded software, and host software.
• Understand the constraints of a complete system: electronics, RF, optics, timing, synchronization, software control, and validation.
• Debug complex issues at the interface between hardware, FPGA, firmware, and software.
• Contribute to architecture decisions, component selection, interface design, and test methodologies.

Cross-functional Technical Coordination

• Act as the technical interface between hardware, software, electronics, optics/photonics, and application development teams.
• Work closely with integration, test, validation, and production teams.
• Translate system requirements into actionable technical specifications for the various teams.
• Facilitate communication between technical disciplines with differing constraints.
• Identify integration risks and propose robust solutions.
• Participate in technical reviews, architecture trade-offs, and system validation phases.

FPGA, Firmware, and Embedded Software

• FPGA development in Verilog or SystemVerilog.
• Proficiency with Vivado, PetaLinux, and Xilinx / AMD platforms.
• Experience with FPGA SoCs such as Zynq or Versal.
• Firmware development in C under embedded Linux.
• Experience with TCP/UDP, low-level drivers, U-Boot, diagnostics, and test tools.
• Development of control, test, or automation tools in Python.
• Ability to work on real-time, low-latency, or high-performance constrained systems.

RF, Signal, and Instrumentation

• Experience with RF systems, DDS, high-speed DAC/ADC, or signal generation
• Knowledge of high-speed interfaces such as JESD204B/JESD204C.
• Experience with Analog Devices components or equivalents.
• Understanding of signal generation, modulation, amplification, and control chains.
• Interest in or experience with scientific, quantum, laser, or laboratory instrumentation environments.

• Minimum 10 years of experience in hardware/software, FPGA, embedded systems, or system integration.
• Significant experience on complex technical systems, ideally in an R&D or product environment.
• Demonstrated experience coordinating with multiple technical teams.
• Ability to take on a technical reference or technical lead role.
• Experience in a multidisciplinary environment involving hardware, software, electronics, and optics/photonics.

• Competitive salary, flexible based on your experience and expectations
• 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
• Daily exposure to the entire quantum stack — from high-level APIs to low-level firmware, and everything in between.

• Talent Acquisition Interview (30' - 45')
• Hiring Manager Interview (45')
• Use Case (a live use case or one to be prepared at home and presented afterward)
• Meeting with the teams
• 2 reference check
• Offer

(This process is provided for guidance only and may evolve depending on the roles)

At Quandela, we believe that the strength of our team is the plurality of experiences, perspectives, and journeys. We are committed to building a respectful, inclusive, and welcoming work environment. All applications are welcome.