Data Engineer - Data Platform & Ontology (m/f/d)

The role

You will own foundational data ingestion, entity-resolution, and platform infrastructure for the Healthcare Platform. You will design and operate scalable batch/streaming data pipelines and build a unified healthcare data ontology.

What you will do

• Build, optimize, and operate reliable ELT pipelines using Python, SQL, and Prefect/Airflow
• Drive implementation of entity resolution and master data management for international hospital entities
• Establish strict data contracts and schema management
• Optimize data storage, query execution, and compute costs across AWS and Snowflake
• Implement automated testing and deployment workflows using GitHub Actions and Terraform
• Partner with Analytics Engineers, Data Scientists, and domain experts to deliver datasets

Required qualifications

• Advanced Python and analytical SQL
• Hands-on experience with modern orchestrators (Prefect, Airflow, or Dagster)
• Practical experience with entity resolution/record linkage frameworks (e.g., Splink, dedupe, recordlinkage)
• Experience with schema management/data contracts (Pydantic, dbt contracts, or JSON Schema)
• Deep hands-on experience in an AWS production environment (S3, ECS/EC2)
• Experience with cloud data warehouses (Snowflake)
• Proven track record of automating data pipeline deployments and validation workflows via GitHub Actions
• Bachelor's or Master's in Computer Science, Data Science, Software Engineering, or a related quantitative field
• 3+ years in data engineering building production pipelines and data platforms
• Fluent in English

Nice to have

• Knowledge of ontology/semantic frameworks (RDF/OWL, SKOS, Neo4j, LinkML)
• Exposure to international medical classifications/vocabularies (SNOMED CT, ICD/OPS, FHIR)
• Experience operating metadata registries and lineage catalogs (e.g., OpenMetadata, DataHub, dbt docs)
• Proficiency in using Terraform
• Healthcare domain experience
• German is a plus

Benefits

• Work from abroad up to 30 calendar days a year
• Hybrid work and flex-time
• International team and social events
• Subsidized urban mobility and access to fitness and wellness options
• Free access to Langdock
• Career & training opportunities
• Attractive locations and modern offices
• Mental health support with OpenUp

About the company

Statista is a global business data platform founded in Hamburg in 2007. It provides reliable data and analytics products to empower people to make fact-based decisions.