VISHAL GAURAV
Vancouver,BC
Summary
Results-oriented Data Scientist with a diverse skill set encompassing machine learning, statistical analysis, and business analytics. 6 Years of experience across dynamic industries, including real estate, retail, and e-commerce. Proven track record in leveraging advanced tools and technologies, such as Python, PySpark, LTR, and SQL, to drive impactful solutions and insights.
Overview
11
11
years of professional experience
Work History
STAFF DATA SCIENTIST
REALTOR.COM
07.2021 - Current
- Implemented a state-of-the-art single-image-based embeddings model, seamlessly replacing more than 30 features without any compromise in performance. Consequently, optimized the ETL pipeline, achieving a significant reduction in processing time from 3 hours to a streamlined 30-minute runtime.
- Developed an advanced automation tool to simulate user interactions, capturing and logging data. The tool cross-references its logs with third-party tracker data in the source table, swiftly identifying issues such as data loss and anomalies.
- Developed an end-to-end Elastic Search & LTR-powered search solution, yielding a $900K/month lift for in-App/on-site searches.
- Introduced a novel XGBoost hack for deterministic listing boosting, ensuring a specific inventory mix on SRP pages.
- Developed a Customer Engagement Model that enhanced weekly user engagement and guided targeted marketing campaigns, resulting in a 6.2% increase in lead submissions and a doubling of user engagement.
DATA SCIENTIST
WALMART INC.
07.2019 - 07.2021
- Implemented density-based clustering to categorize over 100,000 SKUs using product descriptions, slashing pricing update time by 90%.
- Spearheaded the development of a multi-week Forecasting tool for Demand Planning & Inventory Management across six countries, overseeing over 100 million SKUs.
- Orchestrated the deployment of an ensemble comprising XGBoost, MA4, Time Series Clustering, and Feature Engineering, achieving an exceptional sMAPE of sub 60%.
- Architected an automated model-governance dashboard (utilizing PySpark, Hive, and Plotly) to monitor, report, and trigger alerts for weekly forecasts.
- Engineered a dashboard pivotal for tracking KPIs and pinpointing anomalies in predictions, resulting in a remarkable 40% reduction in enhancement/prototyping time.
PRODUCT ANALYTICS & RESEARCH INTERN
CREDITXPERT INC.
08.2018 - 12.2018
- Utilized a Multivariate Regression model to identify the top 10 factors influencing mortgage-lenders' decisions in approving loans. Additionally, parsed and engineered interaction-based features to evaluate the impact of consumer actions on Credit Score improvement.
MACHINE LEARNING INTERN
WALMART INC
05.2018 - 08.2018
- Engineered an FRCNN-based Computer Vision model using TensorFlow and OpenCV for precise product detection and localization. Achieved a respectable 97% accuracy in detecting on-shelf items, significantly enhancing planogram compliance within Walmart stores.
LEAD MARKETING ANALYST
HIVEMINDS
07.2015 - 06.2016
- Designed and executed a Pan-India (30+ cities) expansion and customer acquisition campaign for BigBasket.
- Evaluated and optimized existing marketing campaigns, achieving a 5x Return on Ad-Spend for Facebook (FB) Remarketing Campaigns.
- Successfully optimized and scaled BigBasket's Android App install campaign from 120K to 1.1 Million within 10 months.
- Led a team of 6 analysts, managing marketing campaigns worth $140K/month, resulting in a 14% month-on-month sales growth with an ROI of 2.2.
- Assisted the CEO and Founding Team in fundraising negotiations with Aavishkaar Capital, contributing to the successful raise of $5M in the Series-A round for Jaypore.
SR./MARKETING ANALYST
HIVEMINDS
08.2014 - 06.2015
- Devised targeted Facebook Ad Campaigns for customer segmentation and profiling.
- Successfully retargeted customers across platforms, resulting in a remarkable 4x increase in Conversion
- Designed and executed custom experiments to pinpoint the optimal timing for scheduling Digital Ads on Google, Bing, and Facebook
- Deployed key learnings across platforms, significantly reducing CPA from $47 to $13 and improving Click-Through-Rate (CTR) by
- Identified anomalous Ad-clicks (Bot-clicks) on Facebook and Google Ads using statistical methodologies, enhancing KPIs and attribution
- Engineered Smart Email campaigns to identify auto-clicks in email remarketing efforts, leading to a substantial 220% improvement in Remarketing Conversion Rate.
ASSISTANT SYSTEM ENGINEER
TATA CONSULTANCY SERVICES
08.2013 - 08.2014
- Scripted SQL queries involving CTEs, and window-function techniques to extract data for analysis & reporting.
Education
Master of Science - Business Analytics
Oklahoma State University
Stillwater, OK05.2019
Master of Science - Quantitative Finance
Oklahoma State University
Stillwater,OK05.2018
Bachelor of Science - Electrical Engineering
Manipal University
Manipal, Karnataka, INDIA05.2013
Personal Information
Nationality: Canadian Permanent Resident
Languages
English
Full Professional
Timeline
STAFF DATA SCIENTIST
REALTOR.COM
07.2021 - Current
DATA SCIENTIST
WALMART INC.
07.2019 - 07.2021
PRODUCT ANALYTICS & RESEARCH INTERN
CREDITXPERT INC.
08.2018 - 12.2018
MACHINE LEARNING INTERN
WALMART INC
05.2018 - 08.2018
LEAD MARKETING ANALYST
HIVEMINDS
07.2015 - 06.2016
SR./MARKETING ANALYST
HIVEMINDS
08.2014 - 06.2015
ASSISTANT SYSTEM ENGINEER
TATA CONSULTANCY SERVICES
08.2013 - 08.2014
Master of Science - Business Analytics
Oklahoma State University
Master of Science - Quantitative Finance
Oklahoma State University
Bachelor of Science - Electrical Engineering
Manipal University
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