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Job Title: ETL Tester
Location: Jersey City, NJ/Charlotte, NJ
Duration: Full-time
Just Have Technical/Functional Skills
Primary Skill: ETL testing
Secondary: ETL Testing, Autosys, SQL, Shell Scripting, Exposure to IDMC/Informatica
Roles & Responsibilities
- Analyze 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 framework
Tools & Skills
IDMC, Informatica Power center, Hive, Kafka Knowledge, SQL, Oracle, PL/SQL
Domain: Banking knowledge, Payments knowledge preferred.
Concept: Data Warehousing, Data Transformation, ETL/ELT, Data Quality.
