Data Analyst Machine Learning

Keerthana Haribalakrishnan

Data Analyst - Apple

Location: Leander, Texas 78641 Mobile: +1-425-***-****

Email: *************************@*****.***

Professional Summary

More than 4 years of data science, analytics, consumer insights and engagement experience in various industries

Experience in industry as programmer analyst using Python, SQL and Tableau to design, develop and enhance system operation metric

Experience in working with both Agile and Waterfall methodologies

Expert in writing SQL queries and optimizing the queries in SQL Server and MySQL

Adept at relationship management and providing strong analysis, visualizations, and recommendations to key decision-making stakeholders

Experienced in data preparation like data cleaning and formatting

Hands-on development in assisting users by creating and modifying worksheets to get best data visualizations

Worked on several Python packages like NumPy, Matplotlib, Pandas, TensorFlow etc.

Well experience in Data Analysis, Data Profiling, Data Migration, Data Conversion, Data Quality, Data Integration and Configuration Management

Good knowledge of Statistical analysis, data wrangling, data exploration, data Visualization and Modeling with Machine learning techniques like Clustering, Classification, Regression, SVM and Random Forest, Gradient Boosting etc.

Proficiency in multiple databases like MySQL and MS SQL Server

Expert in Tableau Desktop, Tableau Reader and Tableau Server and Experienced in analysis, modeling, design, and development of Tableau reports and dashboards for analytics

Design & Implementation of Data Extraction, Transformation & Loading (using Informatica), Analyze SQL Server Data & Migration of the same

Comfortable working in individual contributor roles and with teams

Capable of forming and maintaining positive and productive working relationships in internal/external and team environments with excellent communication skills, strong team-building and conflict management skills

Core Skills

Languages:

Python and SQL

Libraries:

Pandas, NumPy, Matplotlib, Skicitlearn, Keras, Linearregression, Randomforest, Kmeans, Seaborn, Pytorch and Tensor Flow

Databases:

MySQL and SQL Server

Tools:

Tableau, Informatica, Oracle DB

Data Analysis Techniques:

Data warehousing, Data Visualization, Data Manipulation and Data Cleaning

Others:

Machine Learning and MS Office Suite

Methodologies:

Agile and Waterfall

Operating System:

Windows and Mac OS

Education

Masters of Engineering in Computer Science Engineering Aug 2016 - May 2018

Anna University, India

Bachelors of Technology in Information Technology Aug 2012 - May 2016

Anna University, India

Experience

Apple, Austin Mar 2023 – Present

Role: Data Analyst/problem Manager

Responsibilities: -

Involved in creating dashboards for Stack holders from Quarterly Business Reports using Tableau.

Involved in creating dashboards for Stack holders from Quarterly Business Reports using Tableau and Power BI

Analyze data and tickets for incident management team and generate reports.

Reviewing Problem Management System database schema using MiroBoard and automating report generation from Cloud using Python script.

Extracting data from document store using Python and storing data into Database using SQL.

Analyzing and reviewing QSR and WSR using MS Excel(Macros, Pivot Tables).

Involved In working with Python libraries panda, matplot lib, scikit-learn

Managed and communicated with the team whether the incidents are below service level agreement

Worked in servicenow ticketing system also worked in incident and change management

Documented Incident management process in Confluence

Support consistent communication inscope of the process and service

Worked In Machine Learning packages such as Pandas,. Numpy, Keras, Skicit learn and Tensor flow

Used Un-Structured Data such as pdf’s, html and converted audio to text using Langraph framework.

Validated my Data using Tensorflow package in Python

Worked in LLM integration in Langraph and deployed to platforms like AWS

Worked with Autogen framework that can handle complex workflows

Did Data Analysis using machine learning packages

Used Clustering and Regression Algorithms to classify the data

Trained and Tested my data with 90% Accuracy

Evaluated my model based on confusion Matrix

McKesson, TX Jan 2022 – Dec 2022

Role: Data Analyst Intern

Responsibilities: -

Involved in budgeting, planning, resourcing for the product enhancements

Analyze, Design and develop Data discovery dashboards in Tableau to present the data story to the business stakeholders

Designed and developed weekly, monthly reports by using MS Excel Techniques (Charts, Graphs, Pivot tables) and Power point presentations

Developing and maintaining database, reorganizing data in a readable format

Data cleansing and uploading the data into data warehouse and the performance indicators and accuracy of the classifier is compared using the python

Developed the reports on the different journals based on the year of publication using Tableau

Object detection in invoice project using TensorFlow

Dell Technologies, India Dec 2019 - Jan 2021

Role: Data Analyst

Responsibilities: -

Analyzed Data Set with Python programming and Excel

Imported the claims data into Python using Pandas libraries and performed various data analysis

Excellent technical skills in SQL to extract data from the database for data analysis and testing

Performed Data Analysis, Data Migration, Data Validation, Data Cleansing, Data Verification, identifying data mismatch, Data Import and Data Export through the use of ETL tool like Informatica

Solved complex problems with multi-layered data sets, as well as optimizing existing machine learning libraries and frameworks

Good understanding of Relational Database Design, Data Warehouse concepts and methodologies

Good knowledge of Statistical analysis, data wrangling, data exploration, data Visualization and Modeling with Machine learning techniques like Clustering, Classification, Regression, SVM and Random Forest, Gradient Boosting etc

Generated MySQL and SQL Server scripts for data manipulation, validation and materialized views for remote instances

SQL Relational SQL to check the accuracy correction for the report logic due to the non-availability of a reporting database

Involved in Requirement Elicitation and maintaining requirements from Inception through Construction phase

Analyzed and prioritized user and business requirements as system requirements that must be included while developing the software, Conducted Data Analysis

Developed Machine Learning algorithms to analyze huge volumes of historical data to make predictions

I also had 8 months of working with D&B database in order to find the business information and also has salesforce and google Analytics certification

Trigent, India Jan 2019 - Nov 2019

Role: Jr. Data Analyst

Responsibilities: -

Tested and modified databases to determine and correct issues

Developed data models and database designs to plan projects

Partnered with project management teams on development of scope and timelines

Designed complex reports to validate the synchronization of the application with other applications, including the customer information system, asset management system, and mobile workforce management system

Designed complex reports to monitor and analyze assets, events, communications, energy, service orders, customer information, and other related data

Specified user access levels for each database segment to protect database integrity and company information

Designed, built and deployed data, financial and accounting BI solutions utilizing Excel and Tableau (e.g., reporting tools)

Manipulated digital images through advanced computer skills, video editing and image retouch and promoted technical quality of final output

Designed and developed various dashboards/ reports utilizing Tableau advance visualizations like Bars (Horizontal, Stacked, Side by Side), Lines (Continuous, discrete), Bullet Graphs, Scatter Plots, Circle Views, Pie-Charts, Packed Bubbles, Funnel Charts, Geographic Maps (Symbol, Filled) to represent different datasets.

The building, publishing customized interactive reports and dashboards, report scheduling using Tableau

Wrote MySQL queries from scratch and created views on MySQL for Tableau.

Responsible for creating and structuring critical financial analysis models such as break-even analyses, volume/rate/mix analyses, and scenario modeling.

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