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Indrasena Reddy

Indrasena Reddy

DATA QUALITY ENGINEER

Talent
NelloreMember since September 30, 2026
Advanced SQLPythonPySparkSource-to-Target ValidationData ReconciliationData ProfilingCompletenessAccuracyConsistencyNull ChecksDuplicate ChecksSchema ValidationReferential IntegrityETL/ELT TestingTransformation ValidationPyTestGreat ExpectationsException ReportingSnowflakeAzure Data FactoryDatabricksAWS GlueJIRA
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Advanced SQLPythonPySparkSource-to-Target ValidationData Reconciliation

About

Data Quality Engineer with 6+ years of experience in Data Quality Engineering, ETL/ELT Testing, SQL validation, data reconciliation, cloud data pipelines, and automated validation. Strong hands-on experience with Advanced SQL, Python, PySpark, Snowflake, Azure Data Factory, Databricks, PyTest, and Great Expectations. Experienced in Source-to-Target validation, data completeness and accuracy, null and duplicate checks, schema validation, data profiling, business-rule validation, referential integrity, CDC, SCD Type 1/2, cloud migration validation, and root-cause analysis.

Experience

DATA QUALITY ENGINEER - KNR Developers

(2025-07)

  • Perform data quality checks to validate data accuracy, completeness, and consistency.
  • Write and execute SQL queries to identify data issues, discrepancies, and validation failures.
  • Validate data received from different sources and perform reconciliation checks.
  • Test data pipelines and verify data after processing and transformation activities.
  • Investigate data quality issues and perform root-cause analysis.
  • Maintain validation results and report identified data quality issues.
  • Follow applicable data security, confidentiality, and client requirements when handling business-critical data.

SOFTWARE ENGINEER II – SECURITY DATA TESTING ROLE - CyberArk

(2024-01 - 2025-12)

  • Performed security data testing and validation for Identity & Privileged Access Management systems.
  • Validated identity lifecycle events, access policies, privileged accounts, and security reporting.
  • Developed SQL-based validation reports to verify data accuracy, integrity, and compliance.
  • Performed backend data validation and root-cause analysis for data-related issues.
  • Supported governance dashboards and audit reporting.

ETL ENGINEER - Onward Technologies

(2021-01 - 2024-12)

  • Designed and verified ETL/ELT pipelines using Snowflake, Azure Data Factory, Databricks, AWS Glue, and PySpark.
  • Developed SQL transformation, validation, reconciliation, and data-quality logic.
  • Built PySpark pipelines for structured and semi-structured data processing.
  • Developed automated Data Quality validation using Python, PyTest, and Great Expectations.
  • Validated Source-to-Target mappings, CDC, and SCD Type 1/2 logic.
  • Performed record-level and aggregate-level reconciliation for cloud data migration initiatives.
  • Optimized SQL validation queries and Spark transformation jobs during testing cycles.

ETL TEST ANALYST - Flexagon Techno Solutions

(2019-01 - 2021-12)

  • Executed end-to-end ETL/ELT testing for enterprise data warehouse applications.
  • Validated Source-to-Target mappings, transformation rules, and SCD Type 1/2 implementations.
  • Performed data completeness, schema, null, duplicate, consistency, and referential-integrity checks.
  • Built reusable SQL validation scripts to support data testing.
  • Logged, tracked, and verified defects using JIRA.

TECHNICAL ANALYST - Teleperformance

(2018-01 - 2019-12)

  • Performed backend database queries and production incident analysis to identify application and data issues.
  • Supported business reporting and operational dashboards.

Education

Master of Technology (M.Tech) - Computer Science Engineering (2021)

Bachelor of Technology (B.Tech) - Mechanical Engineering (2017)

Skills

DATA QUALITY ENGINEER

Reviews

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