Sreeja T
Fremont,USA
Summary
Experienced Senior Data Engineer with over 8 years of expertise in Big Data, Cloud, ETL, and data analysis. Eager to continuously enhance the company's data ecosystem, transforming challenges into valuable opportunities by leveraging data engineering and analytical skills to support the delivery of critical business metrics, enable self-serve reporting and analysis capabilities, contributing to the company's mission of maintaining an industry-leading analytics stack.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Senior Data Engineer
Country Financial
06.2019 - Current
- Translated business requirements in to technical requirements and created design artifacts like Data model, Technical specification documents and Application distribution diagrams.
- Designed and built Spark framework that is extensible and reusable between on-prem and cloud to ingest and transform structured/semi-structured data in Hadoop.
- Reengineered existing ETL workflows to improve performance by identifying bottlenecks and optimizing Hive queries accordingly in cost effective way.
- Developed ETL pipelines in PySpark and responsible for maintaining data integrity, and verifying pipeline stability.
- Driving initiative to automate recurring manual activities for monitoring and operations using Unix Scripting or python scripts.
Data Engineer
CUNA Mutual Group
02.2017 - 06.2019
- Developed data ingestion, aggregation, integration and advanced analytics using Snowflake and Azure Data Factory.
- Integrated semi-structured data like XML with structured data from multiple sources, storing as ORC files on blob.
- Developed ETL flows in Spark using python within Microsoft Azure Cloud.
- Built ETL pipelines in PySpark on Azure to load data in Snowflake for optimized reporting needs replacing Netezza.
Software Development Engineer
Ratiocination Ltd.
08.2014 - 07.2015
- Worked on developing ETL processes to load data from multiple data sources to HDFS using Sqoop, perform structural modifications using Map-Reduce, analyze data using Hive and visualizing in dashboards.
- Developed pig scripts to transform the data into structured format
Systems Engineer Intern
Infosys Technologies
03.2014 - 07.2014
- Worked on Informatica Designer, Workflow Manager, and Workflow Monitor.
- Created and Designed Data Source and Data Source Views Using SQL Server Analysis Services 2008 (SSAS).
- Created Dimensions and Cubes using Star schema and Snowflake schema.
- Used standard reports, sub reports, cross tab reports, bar chart, line graphs in Cognos.
- Supported Datastage processes for enhancements.
Education
Artificial Intelligence Graduate Certificate -
Stanford College of Engineering
California12.2025
MS Computer Science -
University of Illinois
Springfield, IL07.2016
BTech Computer Science -
JNTUH, India
India06.2013
Skills
- Big Data Ecosystems: Hadoop, MapReduce, HDFS, Hive, Pig, Sqoop, Spark, YARN
- Programming Languages: Java, SQL, Python
- Software: Informatica, SSAS, IBM Cognos, SSIS, IBM DataStage
- Databases: NoSQL, Oracle, My SQL, MS SQL, Snowflake
- Cloud: Amazon AWS, Microsoft Azure
Certification
- MapR Certified Hadoop Developer (MCHD), 09/2016
- Professional Scrum Master I (PSM-I), 09/2018
- Data Analytics from Cornell University, 10/2018
- Certified SAFe 5 Practitioner, 11/2020
- Certified SAFe Product Owner/Product Manager, 02/2021
Timeline
Senior Data Engineer
Country Financial
06.2019 - Current
Data Engineer
CUNA Mutual Group
02.2017 - 06.2019
Software Development Engineer
Ratiocination Ltd.
08.2014 - 07.2015
Systems Engineer Intern
Infosys Technologies
03.2014 - 07.2014
Artificial Intelligence Graduate Certificate -
Stanford College of Engineering
MS Computer Science -
University of Illinois
BTech Computer Science -
JNTUH, India
- MapR Certified Hadoop Developer (MCHD), 09/2016
- Professional Scrum Master I (PSM-I), 09/2018
- Data Analytics from Cornell University, 10/2018
- Certified SAFe 5 Practitioner, 11/2020
- Certified SAFe Product Owner/Product Manager, 02/2021
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