Senior Data Engineer

Main Responsibilities:

• Design and operate a scalable GCP data lake (storage, partitioning, lifecycle, governance).
• Build ELT pipelines from APIs, event streams, internal systems, and scientific instruments.
• Develop lakehouse architectures using GCP services such as BigQuery, Composer/Airflow, Dataflow, Dataproc, Pub/Sub, and GCS.
• Work with open table formats such as Apache Iceberg, Delta Lake, or Hudi.
• Co-design ingestion pipelines for quantum computing experiment data alongside physicists and hardware engineers.
• Handle high-throughput scientific data, heterogeneous formats, metadata management, and traceability.
• Define scalable metadata standards and schemas.
• Support engineering teams in designing reliable and maintainable data pipelines.
• Create reusable patterns, standards, and best practices.
• Mentor engineers on orchestration, data modeling, and testing.
• Implement validation, monitoring, data contracts, and governance standards.
• Own the data catalog and lineage documentation.
• Partner with analysts, ML engineers, and stakeholders to deliver trusted datasets and optimize BigQuery performance/costs.

Profile:

• 5+ years of experience in Data Engineering and production-scale data platforms
• Strong expertise in SQL, Python, and GCP data services (BigQuery, Airflow, GCS, Pub/Sub)
• Experience with distributed processing tools and modern lakehouse technologies (Spark, Iceberg, Delta Lake, Hudi)
• Solid understanding of data modeling, orchestration, CI/CD, and data governance
• Experience with scientific, hardware, or experimental data pipelines is a plus
• Strong communication skills, analytical mindset, and ability to mentor cross-functional teams
• Fluent English required; experience in deeptech or quantum environments is a plus

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 P
• arental 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