Hi, I am working in Accenture as a Packaged App Development Senior Analyst.*ETL- Designed and Implemented ETL loads for Data processing, ensuring efficient and accurate data transfer and transformation. Streamlined data processing workflows, reducing processing time by 30% and improving data quality by implementing automated data validation checks.*Big Data Technologies- Utilized big data technologies like Hive, Spark, Scala, Python and Hadoop to analyze large datasets and extract meaningful insights.*Data modeling- Designed data models and schemas for efficient data storage and retrivel. Optmizing database performance by implementing appropriate indexing strategies, resulting in faster query execution and improved system response time.*Data Virutalization- Generated meaningful reports and visualizations using Power BI, providing insights to stakeholders and driving data-driven decision-making.*Expertise in fetching data from different sources like CSV, XML, Parquet, JSON, different databases and perform transformations and then load data to destination.*Experienced in Integration of data sources like Oracle, SQL Server, Mysql, and Flat Files in various formats like fixed width, CSV and excel.*Extensive Knowledge in OLAP , Denormalised , Star Schema , Dimensional Design, OLTP , 3NF , Snow Flake Schema Design and Database Performance Tuning.*Extensive work experience in OIL and Energy Industry.