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Senior Data Engineer

Ireland, Dublin Employment contract 85000.00 EUR / Year · Job Posted January 03, 2026
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Job Description

Senior Data Engineer – Dublin. Hybrid – 3 days in the office. We are seeking a Senior Data Engineer to join our growing team as part of an exciting Security Innovation program. This is an opportunity to design and deliver scalable, high-performance data solutions that leverage AI and Machine Learning to combat financial fraud. You’ll work with cutting-edge technologies across big data, cloud, and modern data platforms to build pipelines, optimize workflows, and support analytics at scale.

Job Responsibility

  • Build, optimize, and maintain ETL pipelines using Hadoop ecosystem tools (HDFS, Hive, Spark)
  • Assemble, process, and manage large, complex datasets to support analytics, BI, and AI-driven applications
  • Collaborate with Software Engineers, Data Scientists, and Architects to deliver efficient, reliable, and scalable data processing solutions
  • Perform data modelling, quality checks, and system performance tuning to ensure accuracy and efficiency
  • Design and implement process improvements for automation, workflow orchestration, and data scalability
  • Support modernization efforts, including cloud adoption and Databricks integration
  • Take ownership of clarifying requirements and proposing scalable, secure solutions before implementation

Requirements

  • Strong experience with SQL and relational/NoSQL databases (Postgres, Oracle, CosmosDB)
  • Hands-on expertise in big data frameworks such as Spark, Hadoop, Hive, Impala, Oozie, Airflow, and HDFS
  • Proficiency in Java, Scala, or Python for data engineering and automation
  • Solid understanding of distributed data processing, stream processing, and message queuing (Kafka, Spark Streaming, Storm)
  • Cloud experience (preferably AWS) with services such as S3, Athena, EMR, Redshift, Glue, Lambda
  • Experience with Snowflake or similar data warehousing solutions
  • Familiarity with Databricks and AI/ML integration for data platforms
  • CI/CD, containerization (Docker), and workflow management experience
  • Comfortable working in Agile environments (Scrum, SAFe) and collaborating across cross-functional teams
  • Strong problem-solving skills and ability to extract value from large, complex datasets

Nice to have

Azure or GCP experience a plus

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