👋😊 Hi, I’m Piyumi Weerarathna!

I’m a Computer Science student at the University of Kelaniya specializing in Data Science, driven by a curiosity to transform raw data into actionable solutions. I thrive on building models, uncovering hidden trends, and telling stories through data to solve complex problems.
🔧 Skills & Technologies
Programming Languages:
- Python
- JavaScript
- Java
- C#
Web Development:
- HTML, CSS, JavaScript
- React.js, Node.js, Express.js
AI & Data Science:
- Machine Learning (Pandas, Numpy, Scikit-learn)
- NLP
- Data Visualization (Matplotlib, Seaborn)
- Databases: SQL, MongoDB
Tools:
- Git & GitHub
- VSCode
🎓 Education
- BSc (Hons) in Computer Science (Specializing in Data Science)
University of Kelaniya (2022 - Present)- Relevant Courses: Machine Learning, Data Mining and Warehousing, AI Fundamentals
🏆 Achievements
-
**🏆 Winner of “Best Project for Technical Enhancement” - Speranza ‘24 (CyberShield Project - Leo University of Kelaniya)
-
📜 Certifications:
- Supervised Machine Learning authorized by Stanford University & Deeplearning.Ai offered through Coursera
- [Certification 2]
- [Certification 3]
🚀 Projects
Here are some of my key projects:
Sales Forecasting Model
- Developed a sales prediction model using ML.NET and regression algorithms like FastTree and LightGbm
Movie Recommentation System
- Developed a content-based recommendation engine using cosine similarity and Scikit-learn to suggest movies, achieving 95% relevance in user feedback.
🌱 Current Interests
- Mastering Data Analysis
- Exploring NLP
- Learning Asp.NET
📬 Let’s Connect!
I’m always open to discussing data, analytics, and innovation:
📊 “Data isn’t just numbers – it’s the story of tomorrow.”