ETL Tester

5 hours ago

Gurugram, India Kezan Inc Full time

Position:
ETL Tester(Python+Fast API

Experience:
4–8 years

Location:
(Gurugram / Bangalore )

Joining:
Immediate / (Specify Notice Period)

Budget-14 LPA

Job Summary

We are looking for a skilled
ETL Tester
to ensure the quality, integrity, and performance of our data integration processes. The role involves validating ETL jobs, verifying data accuracy between source and target systems, and ensuring adherence to business requirements.

Key Responsibilities

  • Analyze business and technical requirements to design comprehensive ETL test cases and scenarios.
  • Validate ETL data flows, transformations, and load processes.
  • Perform
    source-to-target data validation
    to ensure data accuracy, completeness, and consistency.
  • Execute functional, integration, regression, and performance testing for ETL processes.
  • Identify, document, and track defects; work closely with developers to ensure timely resolution.
  • Create and maintain
    test plans, test cases, and test data
    for ETL processes.
  • Validate job scheduling, monitoring, and error handling for ETL workflows.
  • Collaborate with
    Business Analysts, Data Engineers, and DBAs
    to understand data requirements.
  • Ensure compliance with data governance and quality standards.

Required Skills & Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • 3+ years of experience
    in ETL/Data Warehouse testing.
  • Strong experience with
    SQL
    for complex data validation queries.
  • Hands-on experience with ETL tools (e.g.,
    Informatica, Talend, SSIS, DataStage, Snowflake ETL
    ).
  • Proficient in analyzing data models, mapping documents, and transformation logic.
  • Experience with
    Unix/Linux commands
    for job execution and log analysis.
  • Familiarity with
    data warehouse concepts
    (star schema, snowflake schema, fact/dimension tables).
  • Strong analytical, problem-solving, and debugging skills.
  • Excellent communication and documentation skills.

Good to Have

  • Knowledge of
    Cloud-based ETL/Data platforms
    (AWS Glue, Azure Data Factory, GCP Dataflow).
  • Experience with
    automation testing tools
    for ETL validation (e.g., QuerySurge, Selenium with DB, Python scripts).
  • Exposure to
    BI tools
    (Tableau, Power BI, Qlik) for data validation at the reporting layer.
  • Understanding of
    Big Data
    technologies (Hive, Spark, Hadoop).

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