ETL TesterLocation: Charlotte, NC/Plano, TXExperience: Minimum 10 yearsRoles and ResponsibilitiesAnalyze data mapping documents and business requirements to design comprehensive test plans and cases.Perform source-to-target data reconciliation, check data loading, and ensure transformation rules are applied correctly.Write complex SQL scripts for validation (count, data completeness, data consistency, data truncation).Identify, log, and track data defects using tools like JIRA or HP ALM or Octane.Automate test scripts and validate data volume, performance, and scalability.Expert-level knowledge of SQL for data analysis.Experience with tools such as Informatica and IDMC.Understanding of data warehouse concepts and architectures (e.g., star/snowflake schema).Familiarity with Hadoop or Spark is often preferred.Validate HiveQL, HDFS file structures, and data processing within the Hadoop cluster.Strong analytical and troubleshooting skills.Excellent communication for collaborating with developers and stakeholders.Knowledge in Metadata dependent ETL process and batch/job frameworkTools & SkillsIDMC, Informatica Power center, Hive, Kafka KnowledgeSQL, Oracle, PL/SQLDomainBanking knowledge, Payment’s knowledge preferred.ConceptData Warehousing, Data Transformation, ETL/ELT, Data Quality.
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