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Posted 22 August, 2026

Data Engineer

Fulcrum Digital
Dublin, Dublin, Ireland Full Time
Reference: 525040862

Job Description
Role Overview

We are looking for a highly skilled Data Quality Engineer with strong Data Engineering expertise to ensure the accuracy, reliability, and scalability of enterprise data platforms. The ideal candidate will possess hands-on experience with Databricks, PySpark, Hadoop, Hive, and Cloud technologies, along with advanced SQL skills to validate data across large-scale data pipelines and Lakehouse architectures.

Required Experience
  • 3+ years of experience in Data Engineering, Data Quality Engineering, or Data Testing.
  • Hands-on experience with Databricks and PySpark.
  • Strong experience in Hadoop ecosystem components such as Hive, HDFS, Spark, and related Apache technologies.
  • Advanced SQL expertise for large-scale data validation and analysis.
  • Experience working with Data Warehouses, Data Lakes, and Lakehouse architectures.
  • Understanding of Star Schema, Snowflake Schema, and dimensional modeling.
  • Experience with cloud platforms (Azure, AWS, or GCP).


Requirements

Key Responsibilities
Data Quality & Validation
  • Perform end-to-end validation of data pipelines across ingestion, transformation, and consumption layers.
  • Execute source-to-target reconciliation and data quality checks.
  • Identify, investigate, and resolve data anomalies and inconsistencies.
  • Define and implement data quality frameworks, metrics, and controls.
Data Engineering & Processing
  • Develop and validate data pipelines using PySpark and Databricks.
  • Work with large-scale datasets in Hadoop, Hive, and Lakehouse environments.
  • Support ETL/ELT workflows and ensure data integrity throughout the data lifecycle.
  • Optimize data processing jobs for performance and scalability.
SQL & Analytics
  • Write advanced SQL queries for data profiling, reconciliation, and root cause analysis.
  • Perform complex joins, window functions, CTEs, aggregations, and query optimization.
  • Validate business rules and transformation logic against source systems.
Lakehouse & Cloud Platforms
  • Validate and monitor data across Databricks Lakehouse architecture.
  • Work with cloud platforms such as Azure, AWS, or GCP.
  • Collaborate with Data Engineers, Architects, and Analysts to ensure reliable data delivery.
Defect & Incident Management
  • Analyze production issues and conduct root cause analysis.
  • Track and manage data defects through resolution.
  • Implement proactive monitoring and automated quality checks.
Required Experience
  • 6+ years of experience in Data Engineering, Data Quality Engineering, or Data Testing.
  • Hands-on experience with Databricks and PySpark.
  • Strong experience in Hadoop ecosystem components such as Hive, HDFS, Spark, and related Apache technologies.
  • Advanced SQL expertise for large-scale data validation and analysis.
  • Experience working with Data Warehouses, Data Lakes, and Lakehouse architectures.
  • Understanding of Star Schema, Snowflake Schema, and dimensional modeling.
  • Experience with cloud platforms (Azure, AWS, or GCP).
Preferred Skills
  • Automated data testing frameworks.
  • Data observability and monitoring tools.
  • CI/CD implementation for data pipelines.
  • Experience with Delta Lake, Unity Catalog, or similar technologies.
  • Knowledge of Airflow, Kafka, or other Apache ecosystem tools.

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