Senior Data Engineer (Fraud Prevention)

TL;DR

Senior Data Engineer (Fraud Prevention): Building a next-generation data foundation for fraud prevention with an accent on historization capabilities, batch pipelines, and data quality frameworks. Focus on designing scalable data products for model training, backtesting, and real-time fraud signal processing.

Location: Hybrid; Must be based in or relocate to Berlin, Germany (office presence required 2 days a week)

Company

World's pioneering local delivery platform operating in around 65 countries worldwide.

What you will do

• Develop accurate, point-in-time-correct datasets for model training, backtesting, and analysis.
• Design and build scalable batch pipelines to complement the existing Flink-based streaming platform.
• Implement robust controls for data completeness, freshness, anomaly detection, and business-logic accuracy.
• Build observability capabilities to surface pipeline failures and data drift before they affect downstream models.
• Partner with Data Scientists and Fraud Ops to translate fraud-prevention use cases into resilient data products.

Requirements

• Experience building production data pipelines using Python, Airflow, dbt, and BigQuery on GCP or AWS.
• Hands-on experience with Apache Flink or similar frameworks, including event time and state management.
• Strong understanding of feature preparation, model training, backtesting, and inference workflows.
• Experience building validation frameworks, monitoring, alerting, and data lineage for production systems.
• Track record of owning data solutions from design and implementation through to operations.

Culture & Benefits

• Hybrid working model with a beautiful campus in Berlin.
• 27 days holiday, with an additional day granted after the 2nd and 3rd year of service.
• €1,000 educational budget, language courses, and access to Udemy Business.
• Health checkups, meditation, and gym subsidies.
• Employee Share Purchase Plan, corporate pension plan, and life & accident insurance.
• Comprehensive relocation support for moving to Berlin.