Sahil Wadhwa
Analytics Professional
- Role
- Senior Etl Developer at Cognizant
- Location
- Gurugram, HR, IN
- LinkedIn followers
- 500 followers
About Sahil Wadhwa
9+ years of experience as ETL- Informatica PowerCenter/IICS.Completed end to end implementation project and worked in enhancement and support projects using Informatica PC/IICS.Used Scrum Agile project management methodologies and automated manual task using informatica PC, UNIX and VBA Macros.Strong in designing relational databases and handling complex SQL queries such as SQL Server, Oracle, SQL.Experience in Big Data Technologies such as Hadoop, Hive, Pig, Sqoop, Pyspark, Spark.MSc. Coursework Experience in Deep Learning Neural Networks and Natural Language Process on Python and R programming.Developed on Python codes to transfer data from cloud files to SQL server and vice versa. Also, database migration between AWS: Athena, Aurora, Redshift databases (6-8 months).
Experience
Senior Etl Developer
Mar 2021 — Present
Working with HBG (3rd largest book selling company in USA) to develop ETL Solutions using Informatica PowerCenter/IICS. Optimizing Complex SQL Queries and views. Convert Complex Informatica mappings to SQL queries and serve ETL purpose. Designed Mapplets, Worklets, Mapping, Workflows. Analysed, designed, developed Informatica mappings for various clients. Served as Admin for Vista plus. Involved in Informatica IICS mapping performance improvement for various client. Developed Python scripts on PyCharm to load data between heterogeneous/homogeneous sources systems. Working with Oracle Cloud ERP Application. Supported ETL Production SNOW tickets.
Education
Manav Rachna International University
Bachelor's Degree, Electrical, Electronics and Communications Engineering
National College of Ireland
Msc, Data Analytics
National College of Ireland
Master's Degree, Data Analytics
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