ETL Tester

3 days ago

Hyderabad, Telangana, India ZYNO By EliteMindz Full time ₹ 4,00,000 - ₹ 12,00,000 per year

Role: ETL Tester

Exp: 4+ Yrs

Location: Hyderabad

Job Description:

We are looking for a highly skilled
ETL Tester
with strong experience in validating data pipelines, ensuring data integrity, and testing end-to-end ETL workflows. The ideal candidate will have a solid background in
ETL processes, Python, SQL, Hadoop, and PySpark
, with a keen eye for detail and a passion for delivering high-quality data solutions.

Key Responsibilities:

  • Design, develop, and execute
    ETL test cases
    , test scripts, and test data for complex data integration projects.
  • Validate
    data extraction, transformation, and loading (ETL)
    processes across various data sources and targets.
  • Perform
    data validation, data reconciliation
    , and
    data integrity testing
    using SQL and Python scripts.
  • Collaborate with data engineers, analysts, and business teams to understand business rules and ensure accurate data delivery.
  • Conduct
    performance and regression testing
    for ETL workflows.
  • Work with large-scale datasets in
    Hadoop
    environments using
    PySpark
    for data analysis and validation.
  • Identify, log, and track defects, and ensure timely resolution through coordination with development teams.
  • Document test plans, results, and process improvements to support quality and compliance standards.

Required Skills:

  • Strong experience in
    ETL testing
    and
    data validation
    methodologies.
  • Proficiency in
    SQL
    (complex queries, joins, aggregations, and data comparisons).
  • Hands-on experience with
    Python
    for test automation and data validation scripting.
  • Good understanding of
    Hadoop ecosystem
    (HDFS, Hive, Spark).
  • Practical experience with
    PySpark
    for handling big data validation.
  • Strong analytical and problem-solving skills with attention to detail.
  • Experience working in
    Agile/Scrum
    environments.

Preferred Qualifications:

  • Knowledge of
    data warehousing
    concepts and
    ETL tools
    (e.g., Informatica, Talend, DataStage, or similar).
  • Familiarity with
    cloud data platforms
    (e.g., AWS, Azure, GCP).
  • Experience with
    CI/CD tools
    for test automation integration.

Why Join Us:

  • Opportunity to work on cutting-edge big data and ETL projects.
  • Collaborative and growth-oriented environment.
  • Exposure to modern data technologies and cloud ecosystems.

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