Rajath Nagaraj

Systems Engineer

Infosys Ltd•  January 2018 - July 2019

 Development of Python based tools for data quality check from on-premise Hadoop servers to cloud AWS and thereby reducing the time for validation to 1/3rd of usual time. The tool had a record time of 4mins to valuate 1million data.  Closely working with onsite team, solving the issues on data type changes and timestamp related issues. Creating spark data frames in order to analyze differences in data like performing data profiling.  Working with AWS EMR service to access the large data sets from cloud, creating tables from S3 buckets in order to support data analytics team. Also, I worked on Dynamo DB extracting the complex JSON and parsing them to CSV, also as part of project creating table and loading data to hive.  Developed a tool to review the data migrated to snowflake cloud, the tool resulted in time reduction for the investigation and it could compare 1 million data under 4mins.  Creating project report on day to day basis using SAS, Microsoft Excel and present the same to the onsite lead.

Michigan Technological University

Data Science, MS•  August 2019 - December 2020

Data Science graduate student, specializing in field of Machine Learning. Fall 2019 : 1. Intro to Data Science 4.0/4.0. 2. Regression Analysis 3.5/4.0. 3. Computational Intelligence 3.5/4.0 Spring 2020 1. Advance Data Mining 4.0/4.0. 2. Machine Learning 4.0/4.0. 3. Business Database Management 4.0/4.0. Overall 3.8/4.0 GPA