Big Data Tester

3 weeks ago

Gurugram, India Kezan Inc Full time

Job Title:
Big Data Tester (SQL)

Experience:
3+Years

Location:
(Gurugram/Bangalore)

Employment Type:
Full-Time

Job Summary:

We are seeking a highly skilled
Big Data Tester with strong SQL expertise
to join our team. The ideal candidate will be responsible for validating, testing, and ensuring the quality of large-scale data pipelines, data lakes, and big data platforms. This role requires expertise in SQL, Big Data testing frameworks, ETL processes, and hands-on experience with Hadoop ecosystem tools.

Key Responsibilities:

  • Design, develop, and execute test strategies for
    Big Data applications and pipelines
    .
  • Perform
    data validation, reconciliation, and quality checks
    on large datasets.
  • Write and execute complex
    SQL queries
    for data validation and analysis.
  • Validate data ingestion from multiple sources (structured/unstructured) into Hadoop/Big Data platforms.
  • Conduct testing for
    ETL jobs, data transformations, and data loading processes
    .
  • Work with
    Hadoop, Hive, Spark, Sqoop, HDFS, and related Big Data tools
    .
  • Identify, document, and track defects; collaborate with developers and data engineers to resolve issues.
  • Automate data validation and testing processes where possible.
  • Ensure compliance with
    data governance, quality standards, and best practices
    .
  • Work in an
    Agile environment
    with cross-functional teams.

Required Skills & Qualifications:

  • Bachelor's degree
    in Computer Science, Information Technology, or related field.
  • 3+ years of experience in
    Data/ETL/Big Data testing
    .
  • Strong
    SQL skills
    (complex queries, joins, aggregations, window functions).
  • Hands-on experience with
    Big Data tools
    : Hadoop, Hive, Spark, HDFS, Sqoop, Impala (any relevant).
  • Experience in testing
    ETL processes and Data Warehousing solutions
    .
  • Familiarity with
    scripting languages
    (Python/Unix Shell) for test automation.
  • Knowledge of
    defect management and test case management tools
    (e.g., JIRA, HP ALM).
  • Strong analytical and problem-solving skills.

Good to Have:

  • Exposure to
    Cloud platforms
    (AWS, Azure, GCP) with Big Data services.
  • Experience with
    automation frameworks
    for Big Data testing.
  • Understanding of
    CI/CD pipelines
    for data projects.

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