Vishal Bansal

About Vishal Bansal

A results-oriented Data Scientist with hands-on experience in advanced data analytics, machine learning, and ETL technologies. Currently leveraging strong analytical, statistical, and technical expertise to solve complex business problems and drive data-driven decision-making.TECHNICAL SKILLS:• Expertise in Exploratory Data Analysis (EDA), Hypothesis Testing and statistical modelling using Python for customer insights generation and predictive analytics. • Fair understanding of Descriptive & Inferential Statistics to derive actionable insights from complex datasets. • Hands-on experience in developing predictive models for customer behaviour, including supervised (regression, classification) and unsupervised (segmentation, clustering) learning techniques, ensuring optimal bias-variance trade-off. • Proficient in ensemble methods such as Random Forest, XGBoost, Bagging and Boosting to enhance model accuracy and targeting precision. • Experience in segmentation, and customer lifetime value (CLV) modelling for personalized marketing strategies. • Hands-on experience with PySpark for handling large, complex datasets and implementing scalable machine learning models on GCP distributed systems. • Programming Languages – Python, C++, PL/SQL • Libraries – PySpark, scikit-learn, NumPy, Pandas, Matplotlib, Seaborn, NLTK etc. • IDE/Tools: Jupyter Notebooks, Visual Studio Code • Visualization: Power BI, Matplotlib, Seaborn, Ms Excel • Version Control: Git • Data Pipelines: Informatica, Cron (Scheduling tasks) • Databases – SQL Server, Oracle • Scripting Languages – Unix Shell Scripting

Experience

1. Lead Applied Data Scientist

   dunnhumby

   Sep 2023 — Present

Education

• SHIV JYOTI SENIOR SECONDARY SCHOOL, KOTA(RAJASTHAN)

  High School, SCIENCE AND MATHEMATICS

  2011 — 2012

• Swami Keshvanand Institute of Technology

  Engineer's Degree, Computer Science

  2012 — 2016

Skills

• English
• Python
• Mysql
• C++
• Windows
• Microsoft Excel
• Powerpoint
• Sql
• Data Structures
• Algorithms
• Microsoft Office
• Jsp
• Jquery
• Negotiation
• Java
• Html
• Teamwork
• Html5
• Css3
• Leadership
• Javascript
• Public Speaking
• Android
• Analysis
• C
• Programming
• Teaching
• Microsoft Word
• Team Leadership