Hybrid Senior Software Engineer

at Alice & Bob

• Job title: Senior Software Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Python
• Location requirements: Hybrid, Paris, France

About the role

• Senior Software Engineer at Alice & Bob focusing on architecting software ecosystems for quantum innovations. Join a team driving the development of fault-tolerant quantum computing solutions.

Responsibilities

• **Software Architecture & Strategy**: Lead the transition of software culture from experimental scripts to robust, production-grade systems. You will architect the frameworks and data pipelines that underpin our optimization stack, ensuring modularity, scalability, and long-term maintainability.
• **Engineering Culture & Standards**: Elevate the software engineering maturity of the team. You will grow best practices in code quality, automated testing, API design, and documentation, mentoring both ML engineers and physicists.
• **System Implementation**: Hands-on building of critical infrastructure and backend services. You will develop frameworks used by dozens of researchers, and integrate our ML models with the quantum hardware control stack and data platforms.
• **Cross-Team Coordination**: Serve as the technical bridge between the Performance Optimization team and other software engineering groups. You will ensure our tooling aligns with company-wide architectural standards and leverage existing platforms.

Requirements

• **Experience**: 5+ years of industry experience in Software Engineering, with a track record of designing and maintaining complex backend production systems.
• **Technical Mastery**: Expert-level proficiency in Python. Deep understanding of software design patterns, API architecture, and asynchronous programming.
• **Production Engineering**: Solid experience with the full software lifecycle, including CI/CD pipelines, containerization, and cloud infrastructure management.
• **Communication & Leadership**: Proven ability to explain complex engineering trade-offs to non-software experts (e.g., scientists) and experience driving technical consensus across teams.

Benefits

• Our success is your success: own it with our **BSPCE plan**
• **Direct IP Compensation**: Earn substantial bonuses for driving the core patents that define our quantum architecture.
• Flexible **remote** policy, up to 40 % a month
• A **Parental Plan** including additional benefits such as crèche support or additional days-off to take care of under 12 years old children
• Subsidized membership with Urban Sports Club
• **Mental health support** with moka.care
• 25-day vacation policy (as per French law) + RTT
• Half of transportation cost coverage (as per French law), or yearly allowance for the die-hard bicycle users
• Competitive health coverage with Alan
• Meal vouchers with Swile, as well as access to a fully equipped and regularly stocked kitchen
• French language courses covered by the company for those interested