Senior Software Engineer, Alice & Bob

• Experienced: 3+ years of experience as a Software Engineer in a cloud environment
• Proficient in Python: Strong backend experience, with a good grasp of modern Python, FastAPI or similar frameworks, and asynchronous programming
• Frontend-Capable: Comfortable with React (or similar frameworks) and understand how to build and maintain SPAs
• DevOps-Minded: Experience working with containers (Docker/Podman), CI/CD workflows, and infrastructure tools like Ansible
• Infrastructure-Aware: Familiar with modern deployment environments, including Kubernetes (on-prem or in the cloud) and VM-based setups
• Collaborative Leader: Able to mentor others, lead by example, support a growing team, and help apply best practices
• Product-Focused: You understand user needs and care about delivering useful, maintainable, and well-documented software

Desirable

• The Cloud team empowers quantum hardware with software, creating tools for users. We seek a Senior Software Engineer to architect, mentor, and lead product delivery
• As a Senior Software Engineer on the Cloud team, you'll design, build, and deploy full-stack apps for quantum hardware access. You'll contribute to technical decisions, mentor juniors, and shape our application architecture
• Design and implement new services and APIs in Python (FastAPI)
• Contribute to and maintain our React-based frontend applications (SPAs)
• Work on internal tools that enable teams to monitor and interact with our quantum chips
• Collaborate with low-level software engineers to expose hardware functionality through higher-level interfaces
• Facilitate code reviews and guide junior team members
• Define and enforce best practices in architecture, testing, deployment, and monitoring
• Help improve our CI/CD pipeline and deployment process (GitLab CI, Ansible, Docker/Podman)
• Contribute to deployment and infrastructure decisions for both on-prem and cloud (GCP, OVH) environments
• Participate in sprint planning, design discussions, and roadmap definition

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

• 5 weeks of holidays + 8-10 days of RTT
• Navigo reimbursement
• Competitive healthcare and parental plan
• Offices in Paris and Boston
• Annual off-site & Hiking
• 25% Flexible home office
• Meal vouchers
• Multicultural team 17+ nationalities

Total funding: $153.7m

Creating top-tier quantum hardware, including qubits and control electronics, presents a significant hurdle for those pursuing high-power quantum computing. Various qubit technologies exist, each boasting unique advantages and drawbacks, with the most recent research in the sector involving the pursuit of a scalable, fault-tolerant qubit technology.