ETL Tester

Job Description : Role : ETL Tester with Data Engineering & Data Science Expertise Key Skills Required : - ETL Testing : Strong experience in testing data pipelines, ETL processes, and data transformations. - Data Engineering : Hands-on experience in building, maintaining, and optimizing data pipelines. - Data Science Exposure : Understanding of machine learning models, data preprocessing, and analytics. - SQL & Data Validation : Strong expertise in writing complex queries, data verification, and database testing. - Big Data Technologies : Experience with Hadoop, Spark, Databricks, and cloud-based data platforms (AWS, Azure, GCP). - Python / PySpark / Scala : Ability to write and test data processing scripts. - ETL Tools : Experience with Informatica, Talend, DataStage, or AWS Glue. - BI & Reporting Tools :Understanding of Power BI, Tableau, or Looker for data validation. - Data Quality & Governance : Knowledge of data profiling, cleansing, and governance best practices. Roles & Responsibilities : - ETL Testing & Data Validation : Ensure accuracy, completeness, and consistency of ETL processes. - Develop & Optimize Data Pipelines : Work with ETL engineers and data scientists to improve data workflows. - Data Migration Testing : Validate data movement across different environments (on-prem & cloud). - Automation of Data Testing : Develop test scripts using Python, SQL, and PySpark. - Root Cause Analysis : Troubleshoot data quality issues, performance bottlenecks, and discrepancies. - Work Closely with Data Scientists : Assist in data preparation, feature engineering, and model validation. - Implement Data Governance Best Practices : Ensure compliance with GDPR, HIPAA, or other regulations. Good to Have : - Hands-on experience with Data Lakes & Data Warehousing (Snowflake, Redshift, BigQuery, Synapse Analytics). - Machine Learning Model Testing & MLOps knowledge. - Experience with CI/CD for ETL processes (Jenkins, Git, Airflow). - Cloud Certifications in AWS, Azure, or GCP. (ref:hirist.tech)

Location: in, IN

Posted Date: 4/19/2025