Senior Staff Software Engineer

Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems. The company is at the forefront of the quantum race, competing with tech giants such as Google or IBM, and is growing fast after securing €100 million of funding in 2025. The Framework team is a central resource, working across the organisation with researchers and technicians, and is fundamentally integrated into the workflows. As a Senior Software Engineer on this team, you will play a key role in designing, developing, and maintaining high-quality software solutions.

Requirements

• 12+ years designing large-scale backend/platform architectures.
• Superior engineering proficiency in Python, async frameworks, service design, data orchestration, and performance optimization.
• Demonstrated experience architecting complex infrastructure and data-heavy distributed systems.
• Ability to define clean abstractions and synchronization mechanisms for hardware/software interaction loops.
• Deep expertise with storage technologies across SQL, NoSQL, timeseries, object storage, and distributed filesystems.
• Strong product mindset: ability to think about end-to-end delivery, user experience, reliability, and long-term lifecycle.
• Ability to collaborate and challenge ideas with physicists, academic-level experts, and deeply technical researchers.
• Strong technical leadership: able to influence direction, align teams, and support cross-domain decision-making.

Benefits

• 25-day vacation policy (as per French law) + RTT
• Half of transportation cost coverage (as per French law), or yearly allowance for bike enthusiasts
• Competitive health benefits with Helium/AXA
• Meal vouchers with Swile, as well as access to a fully equipped kitchen
• Parental benefits with crèche support
• Flexible remote policy, up to 40 % a month
• Language courses covered by the company
• Mental health support with moka.care
• Subsidized membership with Urban Sports Club