Data Engineer Scientist

Location:

Carmel, IN

Posted:

July 13, 2025

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Resume:

ML Data Engineer Product Analytics A/B Testing

Behavioral Modeling

248-***-**** ************@*****.***

SONIKA

KOGANTI

EXPERIENCE

ML/Data Engineer 06/2023 - 10/2024

CarMax Richmond, United

States

Led behavioral funnel analysis across car listings and purchase flows to identify drop-off points—recommendations contributed to a 9% lift in completed applications.

Collaborated with product teams on A/B test design and evaluation of price sensitivity UI changes; detected a statistically significant 7% increase in engagement.

Delivered insights via cohort and retention analysis, influencing feature prioritization and marketing strategy.

Created ML-driven product affinity models using Spark MLlib to power internal recommendation experiments; piloted on top-converting inventory segments. Partnered with engineering to operationalize experiment tracking and analytics pipelines using Airflow and Snowflake.

Built dashboards in Tableau to track experimentation KPIs, session metrics, and conversion rates by funnel stage.

Data Scientist 09/2021 - 06/2023

Humana Kentucky

Designed and analyzed A/B tests on care navigation and outreach strategies, resulting in a 12% increase in patient engagement across 15 regional programs. Built predictive models using logistic regression and decision trees to forecast treatment adherence and patient churn—improved outreach targeting precision by 20%.

Conducted cohort analysis and retention tracking on eligibility and claims data

(~50M rows weekly) to inform new patient onboarding initiatives. Developed KPI dashboards (Tableau, Matplotlib) for executives to monitor regional performance and outreach ROI; reduced decision-making time by 40%. Partnered with compliance and clinical stakeholders to define validated data contracts and thresholds for patient-level risk metrics. Led UAT and statistical validation for internal analytics tools, improving trust in automated risk scoring across care teams.

Research Assistant 03/2020 - 07/2021

Sacred Heart University Connecticut

Built an end-to-end academic data platform with Python and BigQuery to analyze student performance trends.

Delivered predictive models using TensorFlow, increasing forecasting accuracy by 25%.

Conducted stakeholder sessions to align technical delivery with institutional objectives.

SUMMARY

Data Scientist with 5+ years of

experience transforming large-scale

data into actionable insights across

healthcare, retail, and e-commerce.

Proven expertise in designing A/B

tests, building predictive models,

and delivering behavioral analytics

to drive product optimization and

user engagement. Skilled in Python,

SQL, and statistical experimentation,

with experience deploying models

and dashboards that shape product

and marketing strategy. Comfortable

collaborating cross-functionally with

product, engineering, and UX teams

in Agile environments.

SKILLS

Airflow Amazon S3 Apache Spark

AWS AWS SageMaker Azure

Azure Cloud Azure Devops

Big Data DAX Decision Tree

Deep Learning Dplyr ETL Flask

GCP Ggplot ggplot2 Git GitHub

Google BigQuery Hadoop JIRA

Kafka K-Means Linear Regression

Linux LSTM MatplotLib

Microsoft Office Microsoft Power BI

MLflow Naive Bayes NLP NoSQL

R scikit-learn SSAS SSIS

PUBLICATIONS

Image recognition, which comes

under Artificial Intelligence (AI) is a

critical aspect of computer vision

Exploring consumer behaviors in e-

commerce using machine learning

•

EXPERIENCE

Data Analyst 01/2017 - 12/2019

Accenture Hyderābād, India

Analyzed regional sales and supply chain data, identifying patterns that saved

$500K/year in inventory costs.

Built Power BI/Tableau dashboards for product performance insights across North America.

Automated reporting processes using SQL and Python, reducing manual reporting time by 40%.

Conducted elasticity and promotion impact analysis, contributing to a 12% lift in campaign ROI.

Built demand forecasting models, reducing stock outs by 15%. Standardized KPIs across 12 global markets to enable consistent performance tracking.

PUBLICATIONS

Integrating Predictive Analytics and

Computational Statistics for

Cardiovascular Health Decision-

Making

Deep Learning and Sustainability in

Agriculture: A Systematic Review

EDUCATION

Masters in Computer

Science

Sacred Heart University

03/2020 - 2021 Connecticut

Bachelors in Information

Technology

MALLA REDDY COLLEGE OF

ENGINEERING

06/2012 - 05/2016 Hyderābād, India

•

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