ETL Tester/ Data Test Engineer

𝐑𝐨𝐥𝐞 : 𝐄𝐓𝐋 𝐓𝐞𝐬𝐭𝐞𝐫/ 𝐃𝐚𝐭𝐚 𝐓𝐞𝐬𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐋𝐨𝐜𝐚𝐭𝐢𝐨𝐧 : 𝐁𝐨𝐬𝐭𝐨𝐧, 𝐌𝐀 𝐑𝐨𝐥𝐞 𝐃𝐞𝐬𝐜𝐫𝐢𝐩𝐭𝐢𝐨𝐧𝐬: Senior Data Test Engineer - Looking for a carrier testing professional not developer specialized role focused on ensuring the quality, accuracy, and reliability of data pipelines, data warehouses, and analytics systems. Here’s a clear breakdown you can use (for resume, role clarity, or career growth). Designs and executes testing strategies for data systems, validates ETL/ELT processes, ensures data integrity across pipelines, and builds automation frameworks for scalable data quality assurance. Reports and Visualization testing strategy and execution in TIBCO Spotfire, Power BI and working experience in pharmaceutical companies with the GxP CSV execution and deliverables 𝐊𝐞𝐲 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬: • Validate ETL/ELT pipelines (source → staging → target) • Perform data quality checks (completeness, accuracy, consistency) • Design & execute test cases for large datasets • Automate testing using SQL, Python, or data QA tools • Work with data lakes, warehouses (Snowflake, Redshift, BigQuery, Azure Synapse) • Perform data reconciliation and aggregation validation • Ensure data governance & compliance standards • Collaborate with data engineers, analysts, and business teams • Implement CI/CD testing for data pipelines • validates data + AI/ML models + pipelines, ensuring training data quality, model correctness, and production reliability of AI systems. AI/ML Knowledge • ML algorithms (Regression, Classification, Clustering) • Model evaluation metrics • Feature engineering concepts • Training vs inference pipeline