Rajitha Senanayake
Mississauga,ON
Summary
Graduate student in statistics with over a year of experience in data science and engineering field. Passionate about uncovering insights from data to drive better decision-making. Skilled in solving complex problems using statistical and machine learning techniques. Enjoy collaborating with cross-functional teams and mentoring juniors to help them develop their skills.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Teaching Assistant
McMaster University
09.2023 - Current
- Conduct data science practicals sessions for second and third year undergraduates using 'R' and 'Python'
- Cover a comprehensive range of topics including basic exploratory data analysis, data visualization, dimensionality reduction techniques, and machine learning model development (regression, classification, clustering), as well as advanced analytics such as forecasting and sentiment analysis.
Data Science and Engineering Associate
OCTAVE - John Keells Holdings PLC
05.2022 - 07.2023
- Supported the development of data ingestion pipeline for OpenStreetMap location data
- Researched on different clustering algorithm and clustered outlets based on geographical and sales data to optimize product assortment
- Visualized clusters using Folium maps to support client decision-making
- Proposed and implemented a simplified target-setting approach for sales representatives
- Designed and conducted unit testing for the model pipeline to ensure robustness
- Collaborated with the BI team to design dashboards for tracking sales performance and incentives
- Conducted field visits to gather feedback and ensure user understanding of the solution.
Education
Master of Science in Statistics -
McMaster University
Hamilton, Canada12.2024
Bachelor of Science in Statistics and Operations Research -
University of Peradeniya
Peradeniya, Sri Lanka08.2022
Skills
- Python
- PySpark
- R
- Java
- SQL
- C
- Azure
- Git
- Databricks
- Tableau
- PowerBI
- Data Governance
- Spatial Modeling
- Simulation Modeling
Certification
- Microsoft Azure Data Scientist Associate, 2024, view certificate
- IBM Data Science Professional Specialization, 2020, view certificate
- TensorFlow Developer Specialization, 2020, view certificate
Languages
English
Native or Bilingual
Timeline
Teaching Assistant
McMaster University
09.2023 - Current
Data Science and Engineering Associate
OCTAVE - John Keells Holdings PLC
05.2022 - 07.2023
Master of Science in Statistics -
McMaster University
Bachelor of Science in Statistics and Operations Research -
University of Peradeniya
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