Yasangi Rathnamali
Stockholm
Summary
Results-driven Data Analyst / Data Scientist with 8 years of experience in Application Support and a strong foundation in data analysis, machine learning, and business intelligence. Currently completing a Master’s in Data Science and certified in Google Data Analytics. Skilled in Python, SQL, R, Tableau, Power BI, and NLP with hands-on experience in predictive modeling and data visualization. Passionate about leveraging data-driven insights to solve real-world business challenges. Seeking an opportunity to apply my analytical expertise and programming skills in a Data Science or Data Analytics role.
Overview
11
11
years of professional experience
1
1
Certification
Work History
AI Specialist Intern
Pierce Group
Stockholm
06.2024 - 10.2024
- Conducted data cleaning, visualization, and quality checks using Python and Pandas.
- Built and optimized Hugging Face NLP models for multilingual translation.
- Researched LLM performance on GPUs and CPUs, improving computational efficiency.
- Contributed to AI-driven features that supported data-driven decision-making.
- Documented findings on neural networks, training methodologies, and architecture optimization.
Application Support Consultant
Enactor Pvt Ltd
Colombo
12.2019 - 10.2022
- Provided technical support for enterprise retail applications, resolving complex database issues
- Used SQL for data extraction, query optimization, and issue resolution
- Led performance analysis and implemented system improvements
- Managed incident response, troubleshooting, and stakeholder collaboration
Integration Support Engineer
eBuilder Technology Center
Nawala
12.2017 - 05.2019
- Analyzed and resolved production incidents related to data integration pipelines
- Monitored server logs and system processes to ensure uptime
- Assisted in deploying releases and patches to production environments
Application Support Engineer
Virtusa Pvt Ltd - Colombo Sri Lanka
02.2014 - 12.2017
- Investigated and resolved technical incidents for UK-based enterprise applications
- Developed SQL queries and Python scripts for data extraction and automation
- Worked with ITIL frameworks for incident, change, and problem management
Education
Master - Data Science
Luleå University of Technology
Luleå, Sweden06-2025
MBA - Business Administration
University of Kelaniya
Kelaniya, Sri Lanka01.2020
Bachelor of Science - Information Technology
Sri Lanka Institute of Information Technology
Malabe, Sri Lanka11.2013
Skills
- Programming & Data Analysis: Python, R, SQL, Pandas, NumPy, Matplotlib, Seaborn
- Machine Learning & AI: Scikit-learn, TensorFlow, NLP (Hugging Face), Predictive Modeling
- Data Visualization: Power BI, Tableau, Excel
- Database Management: MySQL, PostgreSQL
- Cloud & Big Data: Google Cloud, AWS (basic)
- Tools & Methodologies: JIRA, Confluence, Agile, Git, CI/CD
- Soft Skills: Problem-Solving, Communication, Stakeholder Collaboration, Time Management
Certification
Google Data Analytics Professional Certificate, Comprehensive training in SQL, R, Tableau, and data visualization.
Verification: https://www.credly.com/badges/8e2bedad-fd7f-45ee-a03b-98420a05732c/public_url
Projects
Capstone Project (Google Data Analytics Certification)
- Bike-Share Success Analysis: Used R and Tableau to analyze customer behavior, deliver actionable insights, and propose data-driven strategies for business growth.
Published findings on:
https://www.linkedin.com/pulse/case-study-how-does-bike-share-navigate-speedy- yasangi-rathnamali
Academic Projects (Master’s in Data Science)
● Real-time sentiment analysis on Twitter using NLP.
● Customer churn prediction for e-commerce to increase customer loyalty.
● Replication of Müller et al. (Year) study on predicting the helpfulness of customer reviews.
● Football performance analysis of Manchester United and Manchester City.
More information: https://www.linkedin.com/in/yasangi-rathnamali-15a30847/details/projects/
ADDITIONAL INFORMATION
- Eligible to work in Sweden
- Languages: Fluent in English, Planing to learn Swedish
References
References available upon request.
Timeline
AI Specialist Intern
Pierce Group
06.2024 - 10.2024
Application Support Consultant
Enactor Pvt Ltd
12.2019 - 10.2022
Integration Support Engineer
eBuilder Technology Center
12.2017 - 05.2019
Application Support Engineer
Virtusa Pvt Ltd - Colombo Sri Lanka
02.2014 - 12.2017
Master - Data Science
Luleå University of Technology
MBA - Business Administration
University of Kelaniya
Bachelor of Science - Information Technology
Sri Lanka Institute of Information Technology
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