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Nirmal Kondreddy

Nirmal Kondreddy

Ready to work

NJIT

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Project

Dr. Semmelweis and the Discovery of Handwashing

My New Workbook

Competition - Supply Chain Analytics

Data maestro, conducting the symphony of insights with analytical expertise.

My Work

Take a look at my latest work.

DataLab

Data Manipulation with pandas

DataLab

Competition - Supply Chain Analytics

DataLab

Competition - Everyone Can Learn Python Scholarship

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Python Institute PCEP – Certified Entry-Level Python Programmer

Coursera IBM Data Analyst

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

NJIT Ying Wu College Of Computing | Sep 2021 - Dec 2022

Student

N/A

Atos Syntel | Oct 2017 - Aug 2021

Data Analyst/ Python Developer

• Analyzed the data using various feature Engineering techniques (Like handling outliers, Imputation, etc..) and done Exploratory Data Analysis. • Experience in building automated data pre-processing tool for text data cleaning by imputing mean, median or the default values. • Created the visualization of the categorical and continuous features to perform EDA using histogram, bar plot, heatmap and other matplotlib, NumPy, pandas and seaborn packages. • Developed Python and Shell scripts to automate the data when necessary. • Created Visualizations and dashboards using Tableau for showing the metrics data. • Performed ETL functionalities by Extracting data from different sources like APIs, XMLs, JSON, CSV files. • Read the data from Oracle, NoSQL to Pandas DataFrames and created reports and visualization reports using Python SEABORN, MATPLOTLIB and PLOTLY. • Validated the data from extracted sources, transformed the data in to the required format and loaded the data in the destination like Databases, CSV, Excel etc… • Proficient in writing complex SQL queries to extract, transform and load (ETL) data from relational databases. • Wrote complex SQL queries to extract, transform and load (ETL) data from relational databases. • Created Source and Target Mapping document from SQL to Pandas Dataframe while loading the data. • Resolve the issues that arise out of the testing process with different types of systems.
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Wipro Limited | Mar 2015 - Oct 2017

Analyst Programmer/ Senior Software Engineer

• Performing analysis, design, development, client presentations, testing, troubleshooting, and supporting of various business applications. • Acted as SME for various business applications • Analyzing the requirements given by business and implementing them by creating or modifying programs/ scripts using Python, R and using different types of Data Structures/Algorithms and creating respective Jobs for different functionalities using tools like Jupyter Notebook, R-Studio, Tableau, ISPF as required by business. • Creating Python scripts for one-off works like Audit works. Optimizing the already developed code. • Connect Python to SQL database to fetch the data. • Create reports using Tableau by different visualizing techniques. • Used CSV, flatfiles, Excel file to load the data into Pandas DataFrames. • Created Source and Target Mapping document from SQL to Pandas Dataframe while loading the data. • Running Unit test cases for the developed programs to ensure no bugs are reported before moving it to SIT/UAT. • Creating training documents and given training to newbies. • Running production parallel before moving the code to production. • Leveraged collaborative skill in liaising with stakeholders like client, management, vendor/consultant, mapping requirements and ensuring effective translation of business needs into technology requirements.

Polaris Consulting & Services Ltd | May 2014 - Mar 2015

Associate Consultant

Creating programs using Python,Mainframe languages and debugging. Compiling and linking of new programs using different functionalities using tools like Jupiter, File-aid, Changeman tool, Intertest, Xpeditor, TSO, ISPF as required by business.  Analyzing the requirements given by the client and implementing it by creating new programs or optimizing the already developed code.  Impact Analysis for any requirement on the other parts of the application.  Documenting the changes made during the development.  Preparing the test case and design documents and performing bug fixing.

IBM | Aug 2013 - May 2014

Analyst Programmer

Creating programs using Python,Mainframe languages. Compiling and linking of new programs using different functionalities using tools like File-manager, Compilation tool, Intertest, Debug tool, TSO, ISPF as required by business.  Maintenance and modifications of already developed codes for the change in functionality as required by business.  Analyzing the requirements given by the client and implementing it by creating new programs or modifying the already developed code to accommodate new requirements  Creating reporting tools using easytrieve for different types of audit works.  Creating test JCLs for performing unit testing.  Documenting the changes made during the development.  Preparing the test case and design documents and performing bug fixing.  Functional Unit Testing, Regression testing/Production Parallel, System testing and UAT in some scenarios and Bug Fixing.

Atos Syntel | Mar 2010 - Aug 2013

Analyst Programmer

Creating programs using Mainframe languages (Like Assembler, COBOL, etc..) and debugging. Compiling and linking of new programs using different functionalities using tools like File-manager, Compilation tool, Intertest, Debug tool, TSO, ISPF as required by business.  Maintenance and modifications of already developed codes for the change in functionality as required by business.  Analyzing the requirements given by the client and implementing it by creating new programs or modifying the already developed code to accommodate new requirements  Creating reporting tools using easytrieve for different types of audit works.  Creating test JCLs for performing unit testing.  Documenting the changes made during the development.  Preparing the test case and design documents and performing bug fixing.  Functional Unit Testing, Regression testing/Production Parallel, System testing and UAT in some scenarios and Bug Fixing.

My Education

Take a look at my formal education

Master's degree, Data Science/Machine Learning  · (September in Data ScienceNew Jersey Institute of Technology | 2022

About Me

Nirmal Kondreddy

Hello All, I have completed my masters in Data Science from NJIT with GPA of 3.95 out of 4. I am looking for roles as Data Analyst/Data Scientist/Machine Learning Engineer. I have also 10+ years of experience as Data Analyst.

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