Remote Role (MUST reside in Ireland and MUST have relevant works visa for Ireland)ExperiencedSenior Data Engineerto lead the design and delivery of scalable, high-performance data solutions (exciting global fintech partner). This role is ideal for a hands-on technical expert with deep knowledge ofSQL and Oracle, strong development skills inGroovy or Java, and the ability to influence architecture, mentor team members, and drive best practices across the data platform.Key ResponsibilitiesLead the design, development, and optimization of complex data pipelines and data architecturesOwn and optimize advanced SQL development, with a strong focus on Oracle performance, data modeling, and tuningDevelop, review, and maintain data processing logic using Groovy and/or Java, ensuring high code quality and reusabilityArchitect and oversee data orchestration and ingestion workflows using tools such as Airflow, Airbyte, or similarDesign and implement robust integrations with external systems using SOAP and REST APIsDefine and enforce ETL/ELT standards, data quality frameworks, and automation strategiesLead unit, integration, and end-to-end testing initiatives for data pipelinesProvide technical leadership through code reviews, design reviews, and mentoring of junior and mid-level engineersCollaborate closely with product owners, architects, and business stakeholders to translate requirements into scalable technical solutionsActively contribute within an Agile environment, helping drive sprint planning, technical refinement, and delivery commitmentsPromote best practices for version control, CI/CD, and release managementRequired QualificationsBachelor's degree in Computer Science or an equivalent technical discipline5+ years of hands-on experience with SQL, with deep expertise in Oracle (PostgreSQL or other RDBMS experience is a plus)4+ years of experience with Java or Groovy, with strong preference for Groovy3+ years of experience with orchestration and ingestion tools (e.g., Airflow, Airbyte)3+ years of experience integrating with web service APIs (SOAP and REST)Strong experience with version control systems (e.g., Git) and collaborative development workflowsProven experience implementing automation, unit testing, integration testing, and data validation frameworksSolid understanding of cloud storage concepts (e.g., S3, Blob storage, Oracle Buckets)