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# Data Engineer

- **Company:** Postaladdress
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** Airflow, BigQuery, Information Engineering, Data Systems, Python (Programming Language), Operational Databases, Standard Sql, Parquet, Data Processing, Avro, Data Management, Data Pipelines
- **Published:** August 22, 2026
- **Apply:** https://www.jobleads.com/es/job/eb3d889bbd006583d2a254dbafca5a44b

## About the Role

* 5+ years of experience in production data engineering
 * Strong experience with BigQuery and advanced SQL in large-scale analytical environments
 * Strong Python skills for production-grade data engineering
 * Solid Airflow experience and a strong understanding of reliable orchestration patterns
 * Hands-on experience with incremental pipelines and idempotent data processing
 * Experience with probabilistic record linkage or entity resolution in production
 * Strong understanding of data quality, matching logic, and precision/recall trade-offs
 * A careful, structured, and ownership-driven way of working
 * Strong communication skills and the ability to explain technical decisions clearly
 * English Level required: B2 - Independent users of the language, i.e. those who have the necessary fluency to communicate without effort with native speakers., * Experience with Splink and probabilistic record linkage tools
 * Experience with Cloud Run Jobs, GCS, and event-driven patterns in GCP
 * Experience with Pub/Sub as a source in data pipelines
 * Familiarity with data format trade-offs such as Parquet, Avro
 * Experience with dbt
 * Exposure to downstream BI use cases
 * Experience in e-commerce or marketplace environments

## Description

* Own the end-to-end pipeline that creates the unified customer_uuid across Books & Media and Fashion
 * Maintain and evolve our customer identity master data with a strong focus on accuracy, reliability, and production quality
 * Improve our probabilistic identity resolution model and make matching decisions measurable, transparent, and explainable
 * Build scalable and cost-efficient data pipelines across BigQuery, GCS, and Cloud Run Jobs
 * Introduce diagnostics, monitoring, and structured validation for every relevant model change
 * Identify and resolve edge cases in customer matching logic before they become production issues
 * Work closely with business and technical stakeholders to turn complex matching challenges into robust data solutions

Your Tech Stack

 * BigQuery
 * SQL
 * Python
 * Airflow
 * Splink
 * Google Cloud Storage
 * Cloud Run Jobs
 * Pub/Sub, * Contributing to a high scale, complex product and seeing the real-time impact of your work
 * Flexible and hybrid working
 * Private Medical Healthcare insurance
 * Training budget
 * Extra holidays
 * Challenging tasks and professional development, knowledge & best practice sharing


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