Software Engineer

Looking for our first Software Engineer, who will build the foundations of our data-acquisition workflows, database architecture, and will develop our first simulation tools to model how our product impacts the performance of quantum operations. In this role, you will work hand-in-hand with our RF and quantum engineers on highly technical, high-impact projects. This is a rare opportunity to enter the quantum-computing world at a pivotal moment and to contribute directly to the growth of a fast-moving deep-tech startup., * Develop a simulation tool that models quantum impact of wiring architectures and associated libraries for each component on the wiring chain.

• Build a front-end interface for the simulation software, easy to use and accessible to clients via the web or as a standalone application
• Design and implement automated calibration and end-to-end data acquisition pipelines
• Setup and maintain structured databases of quantum measurements, prototype characteristics and system metadata
• Provide software and IT support to the team, helping diagnose and resolve technical issues arising during development.

Do you have experience in React?, Do you have a Master's degree?, * Full-stack avec forte dominante frontend (React ou Vue)

• Anglais bilingue obligatoire
• Une expérience en startup (construction from scratch)
• Compte rendu suite au questionnaire technique

Le candidat

• True jack-of-all-trades engineer, comfortable across both back-end and front-end
• Motivated by the opportunity to join an ambitious team pushing the boundaries of hardware and helping unlock a new era of scalable quantum computing
• 5Y+ experience with modern front-end frameworks
• Strong software-engineering fundamentals
• Strong proficiency in Python for scientific computing, simulation development, and data pipelines
• Experience with back-end development and designing databases
• Previous experience with time-series data stores and observability tools
• Master's degree (M2) in Computer Science or Engineering (Bonus)
• Experience in connecting software to real hardware (instrumentation APIs, drivers, or data acquisition workflows) (Bonus)
• Ability to use AI assisted coding tools (Bonus)
• Familiarity with data-visualization libraries (Bonus)
• Proficiency in French (Bonus)
• Autonomous, ambitious, organized
• Hands-on builder; not afraid to draft from a white page: complete setups, scripts, processes, etc.
• Engineer's mindset with meticulous attention to details and a systematic approach to problem-solving
• Values transparency and open communication; enjoys constructive challenge
• Eager to learn and grow; recognizes the strength of teamwork
• Thrives in an environment of high expectations

Compétences techniques

• React (prioritaire)
• Vue (prioritaire)
• Svelte (prioritaire)
• CI/CD
• Testing
• Documentation
• Git
• Python
• Scientific computing
• Node.js
• FastAPI
• Flask
• Django
• Postgres
• MySQL
• InfluxDB
• Grafana
• Instrumentation APIs
• Drivers
• Data acquisition workflows
• Cursor
• D3
• Plotly
• ECharts

Perspectives d'évolution

• A unique opportunity to shape the technological direction of a cutting-edge start-up.
• A collaborative, mission-driven culture with a focus on personal and professional growth., * Do you have strong proficiency in Python for scientific computing, simulation development, and data pipelines?
• Do you have experience with time-series data stores and observability tools?
• Do you have Eexperience in connecting software to real hardware (instrumentation APIs, drivers, or data acquisition workflows) ?
• Have you used AI Assisted Coding tools? Name the tools you have used

• Competitive salary and equity package.

Job Types: Full-time, Permanent

Pay: 55,000.00€ - 85,000.00€ per year

Ability to commute/relocate:

• Saint-Germain-en-Laye (78): Reliably commute or planning to relocate before starting work (Required)