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Lihini03/README.md

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About Me

I'm a final-year BSc (Hons) IT undergraduate specializing in Data Science at SLIIT, Sri Lanka, with a strong passion for building intelligent, data-driven systems - from end-to-end data warehouses and BI dashboards to multi-agent AI workflows and predictive ML pipelines.

I enjoy bridging the gap between raw, complex data and clear, actionable insights. Whether it's engineering robust ETL pipelines, designing dimensional models, or deploying ensemble ML models, I approach every problem with analytical rigour and a product-minded perspective.

  • Location: Malabe
  • Degree: BSc (Hons) IT β€” Data Science Specialization, SLIIT (Expected 2027)
  • Currently focused on: Machine Learning, Data Engineering, and AI-powered application development
  • Open to: Data Science, ML, AI, and Data Engineering internship opportunities

Tech Stack

Languages

Python SQL Java JavaScript

Data Science & Machine Learning

Pandas NumPy Scikit-learn XGBoost Matplotlib Seaborn

Business Intelligence & Visualization

Power BI DAX Excel

Data Engineering

SSIS SSAS T-SQL

Databases

SQL Server MySQL MongoDB

Cloud & DevOps

AWS Azure Git GitHub Jupyter


Currently Learning

  • Agentic AI systems and multi-agent orchestration frameworks (CrewAI, LangGraph)
  • Advanced feature engineering and model interpretability techniques
  • Cloud-native data pipeline design on AWS and Azure
  • Real-time data streaming and modern data lakehouse architectures

Featured Projects

LFB Emergency Response β€” Data Warehouse & BI System

End-to-end DW&BI solution processing 251,000 London Fire Brigade incident records across a full pipeline β€” from multi-source ingestion to OLAP reporting and interactive Power BI dashboards.

SQL Server SSIS SSAS Power BI DAX T-SQL Star Schema Dimensional Modelling


VeritasAI β€” Multi-Agent AI Workflow Automation System

Multi-agent AI pipeline built with CrewAI and GPT-4o-mini to automate a complex legal research workflow, integrating live data from the CourtListener API across a React.js frontend.

Python CrewAI GPT-4o-mini MongoDB React.js REST APIs Microservices


Ensemble vs Single Model Performance Analysis

Large-scale statistical study across 8,325 paired model comparisons on 19 benchmark datasets, applying hypothesis testing (Ξ± = 0.05) to evaluate the performance advantages of ensemble methods β€” achieving an 87.2% ensemble win rate.

Python Scikit-learn Statistical Analysis Hypothesis Testing Pandas Seaborn


KiwiStay β€” Airbnb Price Prediction (New Zealand)

End-to-end ML pipeline for real-world Airbnb price prediction, including data cleaning, feature engineering, feature importance analysis, and model benchmarking using RMSE and MAE.

Python XGBoost Scikit-learn Pandas NumPy Matplotlib Jupyter Notebook


Station 360 β€” Online Vehicle Service Booking System

Full-stack MERN application featuring booking analytics, time-slot optimisation, conflict prevention, automated email notifications, and admin dashboards with PDF reporting.

MongoDB Express.js React.js Node.js Chart.js


GitHub Stats

Β Β 




Connect with Me

LinkedIn GitHub Email


Open to Data Science, ML/AI, and Data Engineering internship opportunities Β· Sri Lanka Β· 2025

Popular repositories Loading

  1. Lihini03 Lihini03 Public

  2. Data-pre-proccessig Data-pre-proccessig Public

    This is showcasing essential data pre-processing techniques including cleaning, transformation, feature scaling, encoding, and handling missing values.

    Python

  3. PAF_Lab3 PAF_Lab3 Public

  4. london-fire-brigade-datawarehouse london-fire-brigade-datawarehouse Public

    **A data warehouse solution for London Fire Brigade incident and mobilisation records (2022–2023), built as part of IT3021 Data Warehousing & Business Intelligence. Includes ETL pipeline, dimension…

  5. VeritasAI VeritasAI Public

    Forked from chamodSN/VeritasAI

    A Legal Researcher Multi Agent AI Project BY SLIIT Y3S1 Data Science Specialization Group Project For IRWA (Information Retrieval and Web Analytics) Module

    Python

  6. ITP---Station360 ITP---Station360 Public

    Forked from chamodSN/ITP---Station360

    This is Our Y2 S2 ITP Project - Station 360 - A Online Vehicle Service Center Management Web Application

    JavaScript