Data Scientist Turning raw data into real decisions.

Hi, I'm Vishalini.
I build data stories that actually move the needle.

MSc Data Science (Distinction) from Cardiff Metropolitan University with hands-on experience in machine learning, data visualization and predictive analytics, plus 2 years SAP experience as a Programmer Analyst at Cognizant in India.

United Kingdom
MSc Data Science(UK)· B.Tech Comp.Science Engineering(India)
Ex-Cognizant · Programmer Analyst
View Projects Let’s work together
VB
Vishalini Data Scientist/Analyst · ML Engineer · SAP Expert
Open to roles
MSc Data Science (Distinction) - Cardiff Metropolitan University, UK. Previously Programmer Analyst at Cognizant (2 years, India). Specialised in machine learning, predictive modelling, and data storytelling.
Python · SQL · Tableau Machine Learning · MLops Power BI · Excel SAP ABAP · SAP CRM Data Engineering
Last project: Customer Churn Prediction - Lloyds Real-world business and environmental impact
About

Who is Vishalini?

A data scientist with a strong foundation in computer science, business-focused analytics, and end-to-end problem solving; from understanding messy requirements to delivering clean, production-ready insights followed by predictive modeling and model deployment.

Education
MSc Data Science, Cardiff Metropolitan University, UK
Distinction | Graduated: 2025
Focus: Machine Learning, Data Visualization, Predictive Modelling, Big Data. Built multiple data-driven projects using Python, SQL, Tableau, and GIS.
B.Tech. Computer Science and Engineering, Sri Manakula Vinayagar Engineering College, India
First Class with Distinction(9.1 CGPA) | Graduated: 2021
Core Subjects: Data Structures, Database Management Systems, Algorithms. Participated in tech fests, coding challenges, and mini-projects.
From Computer Science fundamentals → to advanced web and data science applications.
Work Experience

Programmer Analyst(SAP ABAP/CRM Consultant) · Cognizant Technology Solutions

India · 2+ years

Worked on data-intensive projects, collaborating with cross-functional teams to design dashboards, automate reports, and support data-driven decision-making.

  • Cleaned and transformed large datasets using Excel for data reconciliation.
  • Collaborated with stakeholders to translate business questions into analytical solutions.
  • Handled monthly sales management and billing processes within a custom SAP CRM, with SAP IPM expertise to ensure 100% timely author share settlements and contributing to a 15% improvement in processing efficiency..
  • Optimized daily system health monitoring protocols for SAP environments, using RICEP concepts to detect and proactively address 40% of potential issues, ensuring seamless operation.
  • Experienced in enhancements, debugging, and service automation.
  • Collaborated closely with 3 cross-functional teams, SAP APO,SAP Fiori and SAP CRM to ensure a seamless application experience in sales planning and to resolve 25% more client tickets efficiently.
Industry-backed experience that complements academic Data Science expertise.
Skills & Expertise

What I work with

From hands-on coding in Python and SQL to building dashboards - here’s the tech stack and domains I've worked with and am mastering.

Programming & Scripting

Python Pandas/Numpy Matplotlib/Seaborn Java SQL SAP ABAP PyTest

Data Visualization

Tableau Power BI Excel Interactive Plotly Dashboards Geographical Interactive Systems (GIS)

Machine Learning & Analytics

MLops Deep Learning ML Algorithms Predictive Analytics

Data Handling & Platforms

CSV & Excel/Google Sheets APIs GA4 Jupyter Notebook TensorFlow ServiceNow Ticketing Git & GitHub

Certifications and Internships

Cybersecurity Essentials – CISCO BCG GenAI Job Simulation Lloyds Data Science Job Simulation Immersive Labs Cyber Simulation
Projects

A few things I’ve built

Some of my key data science projects demonstrating my skills in machine learning and data science applications

Machine Learning
Customer Churn Prediction
Working on a customer churn prediction project using EDA and predictive analytics to enhance retention strategies for SmartBank, a Lloyds subsidiary.
Python Pandas Logistic Regression Seaborn
Sentiment Analysis and Youtube Engagement Metrics
RFM-Based Customer Segmentation
Segmented customers based on Recency, Frequency and Monetary value to identify VIP, loyal and at-risk segments.
Python RFM K-means Tableau
GenAI
Financial ChatBot with GenAI
Designed an AI-powered financial chatbot for BCG's GenAI Consulting team.
Power BI DAX Data Modelling
Data Science
PCOS Prediction
Designed an interactive dashboard to track revenue, growth, and regional performance for a mock retail dataset.
Power BI DAX Data Modelling
Data Science
Food Demand Prediction for Zero Hunger Initiative
Designed an interactive dashboard to track revenue, growth, and regional performance for a mock retail dataset.
Power BI DAX Data Modelling
GIS
Geospatial Analysis
Designed an interactive dashboard to track revenue, growth, and regional performance for a mock retail dataset.
Power BI DAX Data Modelling
Project Management
The Alliance Project - Technology project management
Designed an interactive dashboard to track revenue, growth, and regional performance for a mock retail dataset.
Power BI DAX Data Modelling
Cybersecurity
Sales Performance Dashboard
Designed an interactive dashboard to track revenue, growth, and regional performance for a mock retail dataset.
Power BI DAX Data Modelling
Contact

Let’s build something

With a blend of industry experience, technical expertise, and hands-on project work, I’m ready to contribute wherever analytical thinking, problem-solving, and reliable execution are needed. If you’re looking for someone versatile and driven, I’d love to connect.

Or directly email: bvishalinii@gmail.com