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ETL Testing

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  • Posted 19 hours ago
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Job Description

Job Location:-Kolkata , Bhubaneshwar, Pune , Mumbai, Bangalore

Key Responsibilities

  • Validate ETL processes for data extraction, transformation, and loading.
  • Compare source and target data to ensure data integrity.
  • Write and execute SQL queries for data validation.
  • Identify data mismatches, defects, and report issues to development teams.
  • Perform backend testing of data warehouses and BI reports.
  • Test ETL workflows using tools like Informatica, Talend, SSIS, or similar.
  • Work with business analysts and developers to understand data requirements.
  • Create and maintain test cases, test plans, and defect reports.
  • Perform regression testing on data pipelines after changes.

Required Skills

  • Strong knowledge of SQL (joins, subqueries, aggregations).
  • Understanding of ETL concepts and data warehousing.
  • Experience with ETL tools (Informatica / SSIS / Talend / DataStage).
  • Knowledge of database systems (Oracle, SQL Server, MySQL, etc.).
  • Strong analytical and problem-solving skills.
  • Ability to validate large volumes of data.
  • Basic understanding of BI tools is a plus.

Preferred Qualifications

  • Bachelor's degree in Computer Science, IT, or related field.
  • 1–5 years of experience in ETL/Data Warehouse testing.
  • Knowledge of Unix/Linux commands is an advantage.
  • Exposure to automation testing tools is a plus.

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About Company

Job ID: 147203309

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