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I’m Sabithaa Nandagopal, an ETL & BI tester with 7+ years of experience in data validation, ETL testing, and BI report testing across Databricks, Power BI, and Azure environments. I enjoy turning data into reliable analytics and building scalable testing processes. I thrive in fast-paced enterprise environments, collaborating with data engineers and developers to debug production issues, automate tests, and contribute to delivery quality gates through CI/CD. I am passionate about continuous learning and applying best practices in testing to ensure data accuracy and system reliability.…I’m Sabithaa Nandagopal, an ETL & BI tester with 7+ years of experience in data validation, ETL testing, and BI report testing across Databricks, Power BI, and Azure environments. I enjoy turning data into reliable analytics and building scalable testing processes. I thrive in fast-paced enterprise environments, collaborating with data engineers and developers to debug production issues, automate tests, and contribute to delivery quality gates through CI/CD. I am passionate about continuous learning and applying best practices in testing to ensure data accuracy and system reliability.

Sabithaa Nandagopal

Data Scientist, Data Analyst, QA Engineer, +2

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I’m Sabithaa Nandagopal, an ETL & BI tester with 7+ years of experience in data validation, ETL testing, and BI report testing across Databricks, Power BI, and Azure environments. I enjoy turning data into reliable analytics and building scalable testing processes. I thrive in fast-paced enterprise environments, collaborating with data engineers and developers to debug production issues, automate tests, and contribute to delivery quality gates through CI/CD. I am passionate about continuous learning and applying best practices in testing to ensure data accuracy and system reliability.…I’m Sabithaa Nandagopal, an ETL & BI tester with 7+ years of experience in data validation, ETL testing, and BI report testing across Databricks, Power BI, and Azure environments. I enjoy turning data into reliable analytics and building scalable testing processes. I thrive in fast-paced enterprise environments, collaborating with data engineers and developers to debug production issues, automate tests, and contribute to delivery quality gates through CI/CD. I am passionate about continuous learning and applying best practices in testing to ensure data accuracy and system reliability.

Available to hire

I’m Sabithaa Nandagopal, an ETL & BI tester with 7+ years of experience in data validation, ETL testing, and BI report testing across Databricks, Power BI, and Azure environments. I enjoy turning data into reliable analytics and building scalable testing processes.

I thrive in fast-paced enterprise environments, collaborating with data engineers and developers to debug production issues, automate tests, and contribute to delivery quality gates through CI/CD. I am passionate about continuous learning and applying best practices in testing to ensure data accuracy and system reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

ETL & BI Tester at iLink Digital

July 1, 2024 - Present

Designed and executed end-to-end testing strategies for complex ETL/ELT pipelines built on Azure Databricks, ensuring accurate ingestion, transformation, and loading of large-scale enterprise data. Validated data movement across Medallion Architecture (Bronze, Silver, Gold) with emphasis on data quality, schema consistency, lineage, and transformation accuracy. Performed source-to-target reconciliation, row count validation, duplicate checks, null checks, and business rule validation across multiple structured and semi-structured sources. Assessed performance and scalability of Databricks jobs by analyzing execution plans, cluster utilization, and tuning test datasets for large-volume processing. Developed and automated test frameworks for batch and incremental pipelines using SQL, PySpark, Python to improve regression coverage and reduce manual effort. Integrated automated ETL test suites into CI/CD pipelines, enabling continuous testing and quality gates in deployments. Validated API

QA Lead at LTIMindtree, India

December 1, 2023 - February 29, 2024

Managed an efficient team of 6 members by leading the design, development, and implementation of test solutions. Involved in project management, including scheduling and communicating project information. Conducting peer reviews and providing technical leadership to the team. Involved in task analysis, estimation, and allocation. Capable of guiding testing across multiple projects and ensuring on-time delivery.

ETL QA Tester at Capgemini, India

September 1, 2021 - November 30, 2023

Project CEPHEID: Performed End-to-End ETL data validations using SnowSQL. Conducted source-to-target data mapping to test referential integrity of data. Defect report generation using JIRA by reducing data to key insights, which helped increase team efficiency. Identified activities/tasks and task-level estimates, dependencies, and risks by understanding the project scope using Agile software testing methodology. Conducted detailed review and analysis of test conditions, test cases & test scripts.

ETL QA Tester at Capgemini, India

September 1, 2021 - November 30, 2023

Project HEWLETT-PACKARD: Utilized Power BI to test interactive and visually appealing dashboards and reports. Written several complex SQL queries for validating Power BI Reports, ETL data transformations and Dimensional and Fact tables. Developed 50+ ETL test cases, scenarios, and test scripts to ensure quality Data warehouse / BI applications. Experience in Data Extraction, Transformation, and Loading of data from multiple data sources into target databases using Azure Databricks.

QA Tester at Infosys, India

June 1, 2018 - September 30, 2021

Project HCSC: Delivered thorough QA testing reports that determined application quality and release readiness for the Health Care domain. Developed and tested ETL mappings and workflows using Informatica PowerCenter. Involved in the preparation of Clarification documents and Defect Reports. Review of designed and executed Test Cases. Deliver the product on time. Writing SQL queries for validating the data and business logic. Performed Regression testing after each testing cycle. Executing the Test cases and raising defects in JIRA.