Principal Data Engineer | GenAI & Cloud Data Architect

Roche

Sant Cugat del Vallès

Hybrid

EUR 90,000 - 140,000

Full time

25 hours ago

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Job summary

Roche seeks a Principal Data Engineer to lead our Advanced Data Analytics team in Sant Cugat. You will shape GenAI-driven data strategies, design scalable AWS architectures, and mentor engineers to deliver high-impact, cost-efficient data initiatives.

You will collaborate with system architects, product owners and engineers to translate complex data requirements into robust, compliant solutions across diagnostic products. Fluent English required; Spanish a plus.

Qualifications

5+ years of hands-on data engineering experience with leadership in technical projects.
Expert-level proficiency in AWS services including S3, Redshift, Glue, Athena, EMR, Step Functions, MWAA.
Mastery of Python, SQL, and data processing with Apache Spark.
Experience with Dimensional Modeling, Data Partitioning, and Terraform for IaC.
Strong ability to bridge business needs and technical implementation; Fluent English.
Spanish language skills are a plus.

Responsibilities

Define and drive future strategy for GenAI and emerging technologies for diagnostic products.
Design, implement, and optimize data architectures using AWS services with high performance.
Develop data processing workflows using PySpark, SparkSQL, SQL, Iceberg and Parquet.
Improve data infrastructure scalability, cost efficiency, and service consumption.
Provide technical direction and mentorship to developers; enforce code quality and CI/CD.
Collaborate with engineering and business stakeholders to translate requirements into data-driven solutions.
Advocate for data security, governance, and GDPR/HIPAA compliance.