Kartheek D.
Working as a Data Analyst, Azure Data Factory, Data Bricks, SQL, Python, Big Data & ETL
- Role
- Data Analyst at Sagient
- Location
- Memphis, TN, US
- LinkedIn followers
- 500 followers
About Kartheek D.
Graduated with a Master’s degree in Data Science from The University of Memphis in…
Experience
Data Analyst
Feb 2024 — Present · Frisco, TX, US
Performed in-depth cost analysis on Spark jobs across AWS and Azure Databricks environments, identifying optimization opportunities that led to a 20–40% reduction in infrastructure spending.• Created Pipelines in Azure Data Factory (ADF) using Linked Services/Datasets/Pipeline/ to Extract, Transform, and load data from different sources like Azure SQL, Blob storage, Azure SQL Data warehouse, write-back tool, and backward.• Applied advanced SQL techniques to perform data profiling, cleansing, and validation tasks, ensuring high-quality, accurate data was available for downstream transformation processes and seamless ingestion into data pipelines.• Developed ETL mappings in SQL Server Integration Services (SSIS) to extract data from structured and semi- structured sources.• Provided analytical support to ETL development teams by delivering data profiling insights, identifying transformation logic, and designing efficient lookup strategies to optimize data pipeline performance and accuracy.• Built robust ETL pipelines to extract high-volume data from NoSQL databases (e.g, Cassandra, MongoDB), perform data aggregation and transformation, and load the processed data into a centralized analytical platform for business intelligence and reporting.• Provided ad-hoc analytical support for business units using real-time dashboards connected to Azure Data Lake and AWS S3 sources.• Actively involved in designing A/B tests, defining metrics to validate new user interface features, calculating sample size, and checking statistical assumptions for tests.• Conducted detailed data analysis across multiple source systems (Workday, CRM, EDW) to define end-user hierarchies for business units.• Created several SSIS packages using advanced tools to pull data from various data sources including flat files, MS Access, Excel, SQL Server/Oracle databases.
Education
Jawaharlal Nehru Technological University, Kakinada
Bachelor's degree, Mechanical Engineering
University of Memphis
Master's degree, Data Science
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