Preetha Narasimman

Background

About Preetha Narasimman

With 4 years of experience in ETL QA and expertise in Azure Cloud technologies, I specialize in designing, testing, and managing data pipelines that drive business insights. My professional journey has honed my skills in both data engineering and quality assurance, empowering me to ensure seamless data integration, transformation, and storage processes. Technical Expertise:* Azure Data Factory (ADF): Proficient in building and automating ETL pipelines, orchestrating workflows, and creating linked services to integrate diverse data sources.* Azure Databricks (ADB): Experienced in using PySpark and Python for data transformation, analytics, and collaborative data engineering workflows.* Azure Data Lake Storage (ADLS): Skilled in managing data storage containers and optimizing data lakes for high-performance analytics.* Azure Key Vault: Securing sensitive configurations, secrets, and keys to ensure robust data security.* Azure DevOps: Hands-on experience with CI/CD pipelines, source control, and automated deployment processes. Other Skills:* SQL Server: Expertise in writing complex queries, managing databases, and optimizing performance.* Informatica: Proficient in ETL processes for data migration and integration.* Azure Devops: Efficient in test management, tracking issues, and ensuring high-quality deliverables.* DBFS: Skilled in handling Databricks File System (DBFS) for storing and accessing data in Azure. Key Achievements:* Ensured end-to-end data quality testing for complex ETL pipelines using PySpark, SQL, and Python.* Automated critical QA workflows in Azure Data Factory and Azure Databricks, reducing manual effort and delivery timelines.* Streamlined data governance in Azure Data Lake Storage, maintaining data integrity and scalability. I am passionate about leveraging cloud technologies and data engineering to deliver high-impact solutions. I thrive in collaborative environments where innovation meets precision, ensuring both business and technical goals are met