

Ratnayake.Swin@gmail.com
Toronto, Ontario
© MSc in Data Science
ContactIntroduce
Swin Ratnayake,
Data Scientist |
AI Engineer
"I create elegant and efficient data solutions with a love for simplicity. Passionate about design and coding, I find joy in crafting beautifully straightforward solutions."

8+
Years of
Experience
112+
projects completed on
6 countries
About
Every insightful solution begins
with a compelling data story
Transitioning from a background in medical professions, I embarked on my data science journey 5 years ago, exploring diverse fields. I've collaborated with healthcare experts, consulted for various startups, and applied my skills to analyze data across different domains. With a quiet confidence, a natural curiosity, and a commitment to refining my skills, I address each data challenge one solution at a time.
resume
Relevant Experience
Data Scientist | AI Engineer
HYPE Invention, VIC Australia
Healthcare Data Scientist
Medfuture Healthcare, VIC Australia
Medical Laboratory Scientist
Lanka Hospitals PLC, Sri Lanka
Bioinformatician
SUNY Research Foundation, NY USA
resume
Education
Master of Science Degree in Data Science
Cardiff Metropolitan University, Wales, UK
Bachelor of Science Degree in Biological Science
State University of New York at Oswego, New York, USA
GCE Advanced Level
Gateway College, Negombo, Sri lanka
Specializations
My Specializations
Big Data Analytics
I analyze large datasets, extract insights, and implement predictive models to empower clients with data-driven decisions, optimizing efficiency and uncovering valuable trends for strategic advantage.
24 ProjectsData Visualization
I craft visually compelling data representations, simplifying complex information. My work enhances presentations, facilitates decision-making, and communicates data-driven insights with clarity for strategic advantage.
156 ProjectsMachine Learning
I develop and deploy advanced algorithms to extract patterns from data, enabling accurate predictions and decision automation. I customize models, optimize performance, and deliver innovative solutions, to harness the full potential for enhanced efficiency and competitive advantage.
8 ProjectsData Extraction
I adeptly retrieve (or mine), transform, and organize valuable information from diverse sources, streamlining processes, improving accuracy, and enabling clients to promptly access relevant insights for informed decision-making and operational efficiency.
8 Projectsmy skills
My Skills

97%
Power BI

92%
Python

70%
Tableau

75%
MySQL

75%
R Programming

80%
Apache Spark

100%
Excel

70%
AWS
Certifications
My Certifications

E-Commerce
Director of Envato LLC
“Extremely profressional and fast service!. Drake is a master of code and he also very creative. We done 3 projects with him and certain will continue.”
Project




Domains
Experience in Multiple Domains
Data Scientist
Healthcare
- ● Cleaned patient data to ensure accurate diagnostic results, contributing to improved patient care outcomes.
- ● Developed interactive dashboards, empowering lab managers, streamlining workflows, reducing report delivery times by 20%.
- ● Developed tools for comprehensive reporting, improving communication with healthcare providers, leading to quicker treatment decisions.
- ● Analyzing patient feedback improved service quality, leading to a 10% increase in patient satisfaction and positive reviews.
- ● Monitoring KPIs such as test accuracy and turnaround times improved overall lab performance and patient outcomes.
Data Analyst
E-commerce
- ● Created reporting tools to targeted marketing strategies resulted in a 20% increase in sales from segmented customer groups.
- ● Carried out Market Basket Analysis to Optimize promotions and bundling, leading to a 10% rise in average transaction value.
- ● Built dashboards to adjust pricing strategies based on market trends, improving competitiveness and boosting profit margins.
- ● Helped gain a competitive edge by adapting strategies based on my comprehensive competitor analysis.
- ● Built dashboards to help allocate budget more effectively, boosting ROI by 25% through optimized advertising campaigns.
Data Scientist
Recruitment
- ● Built predictive models to identify high-performing candidates, resulting in a 15% improvement in employee success rates.
- ● Analysis on targeted social media efforts increased applications by 30%, enhancing the company's online recruitment presence.
- ● Built reporting tools to align recruitment strategies with employee success, contributing to a 20% improvement in project delivery.
- ● Developed dashboards for candidate experience analysis that increased offer acceptance rates by 25%.
- ● Analyzed job market trends, adapted recruitment strategies, resulting in a 15% increase in successful placements.
- ● Built dashboards to optimized spend based on ROI analysis resulted in a 30% reduction in cost per hire.
Data Scientist / Analyst
Freelance
- ● Cleaned and standardized client data, eliminating errors and ensuring accurate financial reports.
- ● Developed predictive models for a tech startup, optimizing user experience and increasing customer retention by 20%.
- ● Utilized Apache Spark for processing large datasets, enabling real-time analytics for a financial client.
- ● Created interactive dashboards for a marketing client, for data-driven decision-making and increasing campaign success.
- ● Analyzed geographic data for a real estate client, identifying optimal locations for new developments and improving investment decisions.
- ● Conducted A/B tests for a digital marketing client, optimizing ad campaigns and improving conversion rates by 25%.
contact
Let's Work Together!
ratnayake.swin@gmail.com
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