Kesara Rathnasiri

Data Scientist & Cloud Solutions Expert

Data Science @ BI

Building Scalable Solutions for Tomorrow

I bridge the gap between raw data and impactful solutions by combining expertise in machine learning, data storytelling, and cloud-native systems. My work focuses on transforming complex datasets into actionable insights, whether through predictive models built with Python and TensorFlow, interactive dashboards designed in Power BI, or scalable cloud architectures on AWS/Azure.

Education

Aug,2023 - Present

Bachelor of Data Science for Business

BI Norwegian Business School

I am a second year student at the BI Norwegian Business School, pursuing a Bachelor's degree in Data Science. My academic journey has been marked by a deep passion for data analysis and a commitment to leveraging data-driven insights to drive meaningful change.

Working Papers

Machine Learning for Predictive Maintenance of Winter Public Transport Delays in Oslo

Jan 2025 – Present

Supervisor: Dr. Uthayasanker Thayasivam, UOM

Predicting Housing Price Volatility in Oslo: Modeling the Impact of Energy Shocks, Green Policies, and Urban Development using Adaptive ML

Jan 2025 – Present

Supervisor: Dr. Emil Aas Stoltenberg, BI | Contributors: Zara Razlan

Projects

Healthcare Analytics Dashboard

Power BI, DAX, M, Power Query, SQL Server, Excel

Sales Analytics Dashboard

Power BI, DAX, Power Query, SQL Server, Excel

Flight Delay Analysis

Python & R

Experience

March,2025 - Present

Data Science Intern | Contract

STAX Capital AS

Leveraging Python and machine learning frameworks to analyze large datasets, design scalable data pipelines, and generate predictive models and actionable insights that drive strategic decision-making and operational efficiency.

Jan,2025 - Present

Research Assistant - Intern | Remote

DataSEARCH, University of Moratuwa

Collaborating with a supervisor at DataSEARCH to develop a research publication addressing a real-world data science problem. Conducting end-to-end data analysis, leveraging advanced statistical and machine learning techniques to derive actionable insights from complex datasets.

- Identifying and defining a real-world data science problem, contributing to the development of a research publication aimed at addressing industry-relevant challenges.

- Executing comprehensive data analysis processes, including data cleaning, preprocessing, feature engineering, and model building, ensuring high-quality and reliable results.

- Applying machine learning algorithms and statistical methods to analyze datasets, uncovering patterns and trends that inform data-driven decision-making.

- Creating clear and impactful visualizations to present findings, enabling stakeholders to easily interpret complex data insights.

- Preparing and structuring research results for publication, contributing to the academic community and potential real-world implementation.

Sep,2024 - Present

Class Representative

Bachelor of Data Science for Business

As the Class Representative for the Bachelor of Data Science for Business program, I serve as the primary liaison between students and faculty, ensuring effective communication and fostering a collaborative academic environment. In this role, I actively gather and articulate student feedback, address concerns, and work closely with academic staff to enhance the overall learning experience.

Jul,2024 - Present

Junior Analyst

BISO Invest Capital Management

- Conducting in-depth research and financial analysis of companies, assessing market position, financial health, and growth potential to support investment decisions.

- Collaborating with a team of 3 other Junior Analysts and a Senior Analyst to compile comprehensive investment reports and develop persuasive investment pitches.

- Presenting recommendations for company inclusion in the fund's portfolio to aid strategic investment decisions

Jul,2024 - Aug,2024

Financial Manager

Data Science for Business Academic Association

- Managed the Financial operations of the Data Science for Business academic association, ensuring accurate and timely budgeting for 120+ students' events activities.

- Coordinated with five board members to plan and execute events within budget, including quiz and dinner mingle.

- Promoted the association during recruitment and open days to inform students about its role and activities.

Aug,2024 - Dec,2024

Logistics Manager

BISO Charity

- Coordinated with the Manger to ensure smooth execution of events, managing logistics from planning to implementation.

- Developed and maintained relationships with vendors and venues, overseeing equipment setup and troubleshooting issues to enhance the overall experience for students.