Kasun Perumbuli

Available for hire

Kasun Perumbuli

Data Scientist

Building data-driven solutions with machine learning, statistical analysis, and data visualization. Turning complex datasets into actionable business insights.

Bristol, UK

3+

Years Data Work

4

ML Projects

12

Certifications

MSc

Data Science

Career

Work Experience

Data Scientist (Trainee – Hybrid)

Fortray Global Services Limited · UK

Oct 2025 – PresentCurrent
  • Transformed and integrated large datasets using SQL, Python (Pandas), and Excel, improving data quality and ensuring seamless analysis.
  • Built and optimized high-performance ETL pipelines, automating data workflows and reducing manual processing time by 30%.
  • Developed complex SQL queries for fast and efficient data extraction, significantly improving reporting speed and data accuracy.
  • Utilized advanced Excel functions (pivot tables, VLOOKUP, conditional formatting) to uncover actionable insights influencing key business decisions.
  • Designed and deployed interactive dashboards and data visualizations in Tableau and Power BI, empowering stakeholders to make informed, data-driven decisions.
  • Ensured data integrity and optimized database performance through effective management, indexing, and regular updates to SQL databases.
PythonSQLPandasTableauPower BIETL

Sourcing Senior Engineer

Michelin · Sri Lanka

Oct 2021 – Sep 2022
  • Analyzed purchasing data for 500 vendors and 200,000+ engineering materials using Python visualization tools, uncovering cost-saving opportunities.
  • Developed and maintained a comprehensive engineering materials database, streamlining product selection, improving quality, and ensuring accurate specification matching.
  • Collaborated with the plant engineering team to transfer technical engineering requirements into actionable supply chain business profiles.
PythonData AnalysisVisualizationSupply Chain

Process Engineer

Michelin · Sri Lanka

Jun 2019 – Oct 2021
  • Collected, cleaned, and pre-processed raw data to analyze and visualize machine performance, driving process improvements.
  • Developed a machine learning model to accurately assess sand mold quality, enhancing product consistency and reducing defects.
  • Evaluated production line performance by analyzing machine receiving data, identifying areas for optimization and efficiency gains.
Machine LearningData AnalysisPythonProcess Optimization

Portfolio

Projects

Data science projects spanning predictive modelling, NLP, and optimisation.

Predictive Modelling

Customer Churn Prediction

Code

By analyzing customer data such as demographics, account activity, and service usage, the model identifies customers at high risk of churning, enabling proactive retention strategies.

Boosts profitability by reducing lost revenue.

PythonScikit-learnMongoDBMLflowFeature EngineeringCI/CD
Predictive Modelling

UAV Propeller Performance Analysis

Code

Developed a predictive framework to analyse UAV propeller performance by engineering features from geometry and flight data. Built XGBoost models to forecast operational efficiency, with a Tableau dashboard for real-time metric tracking.

Improved propeller design decisions and operational efficiency.

PythonXGBoostSQLTableauFeature Engineering
ML Optimisation

Mercedes-Benz Test Bench Optimisation

Code

Reduced car test bench time while maintaining quality standards. Conducted data preprocessing, dimensionality reduction, and feature engineering before building a high-accuracy XGBoost predictive model.

Decreased test bench time, improving overall production efficiency.

PythonXGBoostDimensionality ReductionScikit-learnPandas
NLP

Sentiment Analysis — FIFA World Cup 2022

Code

Analysed public sentiment from Twitter during the FIFA World Cup 2022. Collected and preprocessed tweets using the Twitter API, applied NLP techniques including tokenisation and sentiment classifiers.

Provided actionable insights into fan sentiment, aiding marketing strategies during the event.

PythonNLPTwitter APINLTKScikit-learn

Capabilities

Skills

🐍

Languages & Libraries

PythonSQLPandasNumPyMatplotlibScikit-learnTensorFlowXGBoost
📊

Data & Analytics

TableauPower BIJupyter NotebooksExcel (Advanced)A/B TestingStatistical Analysis
🤖

ML & Data Science

Machine LearningDeep LearningNLPFeature EngineeringPredictive ModelingModel EvaluationData PreprocessingETL ProcessesDimensionality Reduction
🛠️

Tools & Infrastructure

GitGitHubAWSPostgreSQLMongoDBMLflowData CleaningData Visualization
💬

Soft Skills

Problem SolvingAnalytical ThinkingCommunicationCollaborationCritical ThinkingTime ManagementAdaptabilityDetail-Oriented

Academic

Education

🎓

University of the West of England

Master's Degree in Data Science

Bristol, England, UK

Sep 2022 – Sep 2023
Machine Learning & Deep LearningStatistical ModellingBig Data AnalyticsData Visualisation
🏛️

University of Peradeniya

Bachelor's in Manufacturing Engineering

Peradeniya, Sri Lanka

Jan 2011 – Nov 2016
Process EngineeringManufacturing SystemsQuality ManagementEngineering Mathematics

Credentials

Certifications(12)

AWS

AWS Certified Machine Learning – Specialty

Amazon Web Services · Feb 2025

DS

Master Certificate in Data Science

Simplilearn · 2024

IBM

Python for Data Science

IBM · Oct 2023

PY

Applied Data Science with Python

Simplilearn · 2023

DL

Deep Learning

Simplilearn · 2023

ML

Machine Learning

Simplilearn · 2023

SQL

SQL for Data Science

Simplilearn · 2023

TB

Tableau

Simplilearn · 2023

AI

AI Foundations: Neural Networks

LinkedIn Learning · 2023

PY

Python for Data Science & Machine Learning

Udemy · 2023

SQL

Complete SQL Bootcamp (PostgreSQL)

Udemy · 2023

IBM

Analyze Open Datasets with Python

IBM · 2023

Get in touch

Let's Talk

I'm currently open to new opportunities. Whether you have a role to discuss, a data problem to solve, or just want to connect — my inbox is always open.

Send me an email

Based in Bristol, UK · Open to remote & hybrid roles