Senior Data Engineer

7 days ago

Belfast, United Kingdom EPAM Systems Full time

OverviewWe are seeking a highly skilled Data Engineer with strong SQL capabilities and hands-on experience with AWS Glue or equivalent Spark-based tools (e.g., Databricks).You will be a key contributor in our Data Modernization initiative, helping to design and build scalable data processing pipelines that support our AWS-based data lake. The role involves working with large-scale datasets, optimizing for performance through techniques like partitioning, and delivering clean, reliable data to downstream consumers.ResponsibilitiesDevelop and maintain robust ETL pipelines using AWS Glue (Apache Spark) or DatabricksWrite complex SQL queries, including Common Table Expressions (CTEs), stored procedures, and views, for data transformation and analysisDesign and implement effective partitioning strategies in Glue, Athena, and other AWS-native tools to optimize performance and costIngest, clean, and transform structured and semi-structured data from multiple sources into the AWS data lakeCollaborate with stakeholders to understand data requirements and deliver well-structured, high-quality datasetsTroubleshoot performance issues in data pipelines and contribute to tuning and optimizationSupport data governance, lineage, and monitoring initiatives to ensure data quality and reliabilityRequirementsExcellent SQL skills — advanced experience writing performant queries using CTEs, procedures, and viewsHands-on experience with AWS Glue (Spark-based ETL), or similar platforms like Apache Spark or DatabricksStrong understanding of partitioning techniques for large-scale datasets in both databases and data lake environments (e.g., Glue, Athena, Spark)Familiarity with cloud data lake architectures and AWS data ecosystem (S3, Athena, Glue, etc.)Comfortable working with large volumes of data and optimizing jobs for performance and costExperience in a collaborative environment, with the ability to communicate effectively across technical and non-technical teamsFinancial services experience is a plus, especially familiarity with reference, counterparty, or instrument dataWe offerPensionEmployee Assistance ProgrammeEnhanced Maternity policyGive as You EarnCycle to Work SchemeEmployee Referral Bonus SchemeDiversity NetworksAccess to a range of skills and certifications #J-18808-Ljbffr

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