Hasaranga Jayathilake

Lead Data Analyst | COMET Lab, Indiana University Indianapolis

I am passionate about data science, visualization, and automation to drive research and decision-making. At COMET Lab, I lead a 40-member research team across 19 interdisciplinary projects, integrating data analytics, NLP, and ETL automation to enhance community-driven research. My expertise in data visualization, workflow optimization, and geospatial analysis helps create insightful, interactive solutions that support social impact initiatives and data-driven policy-making.

Through standardized data pipelines, dashboard development, and collaborative GitHub workflows, I ensure efficient research management and reproducible methodologies. I specialize in automating ETL processes, building intuitive visualizations, and streamlining data-sharing frameworks. My work bridges technology and data-driven insights to empower researchers, policymakers, and organizations to make informed decisions for community-driven solutions.

Projects & Contributions

🔹 Data Visualization for Social Impact
I developed interactive dashboards using Tableau, Power BI, and D3.js to facilitate community data sharing, ensuring actionable insights for policymakers and stakeholders.
🔗 View Project

🔹 Training and Work Management for Data Science Teams
I standardized GitHub repositories and implemented efficient workflow processes, improving collaboration efficiency by 80% across multi-disciplinary teams.
🔗 View Project

🔹 Project Management with GitHub
I introduced best practices for project tracking and version control, streamlining research documentation and ensuring reproducible research methodologies.
🔗 View Project

🔹 Standardized Project Repositories & Presentation Framework
I designed structured ETL workflows and documentation that improved research reproducibility and knowledge transfer.
🔗 View Project

Technical Expertise

• Data Science & NLP: Python, R, SQL, Scikit-learn, NLTK, SpaCy
• Data Visualization: Tableau, Power BI, D3.js, Plotly
• ETL & Automation: Python (Selenium, BeautifulSoup), SQL
• Project Management & Collaboration: GitHub, Jira, Agile

More About My Work

🔗 Portfolio: hdj1414.github.io
🔗 LinkedIn: linkedin.com/in/hasaranga-jayathilake