Nagarjun Murali

Available for full time

Railofy, India                                                                                                       April 2021-September 2021

Role: Data Scientist.

• Implemented multiple CRON jobs to automatically store and report data issues through email by deploying them in AWS ECS servers which helped in reduction of daily working hours by 20%.
• Developed multiple utilities through pandas which helped in automating the daily data manipulation of raw data and stored them efficiently in AWS RDS server.
• Created Dashboards using Evidently (jupyter notebook extension) to present the feature analysis, metrics, and data drift for different Machine learning models and also to display the outliers of the data and notify the data engineering team to assess them.
• Trained and deployed XGBoost model with new feature transformations that improved the accuracy of the model by 9%.

 Artenal, Canada / India                                                                                       June 2020 –March 2021

Role: Machine learning Engineering intern.

• Implemented URLlib in a python script to gather data from various websites to create an itinerary planner for the state of Alberta, then used scikit-learn k-means to cluster the location points and finally 

created a script in python to calculate the Haversine distance between two locations and provide the driving time as an output to save company's money. 

• Developed a script in python using Spacy to identify keywords from a text and used wordcloud (python library) to visualize the output.
• Developed a sentiment analysis tool using scikit-learn to identify customer satisfaction levels from feedback forms in pdf. I used pypdf to extract information from the standardized pdf format of the reports.

Cognizant Technology Solutions, India                                                           November 2017-June 2019

Role: Senior System Engineer 

• Performed daily data queries and prepared survey reports based on customers’ data.
• Ensured that all data gathered was entered per corporate standards
• Implemented the automated solution for repeated issues in computers by analyzing the data generated in reports.

Sheffield Hallam University, United Kingdom                                                      Sep 2021- Present