Summary
Overview
Work History
Education
Skills
Websites
References
Certification
Personal Information
Workrights
Affiliations
References
Timeline
Generic

Pramoda Thennakoon

Melton,Australia

Summary

A dedicated and enthusiastic individual with a passion in Data Science, Cloud Services, AI Solutions and Project Management. Striving to achieve flawless solutions to problems in a logical engineering manner, effectively collaborating with team members. Looking for a challenging career to utilize my skills and knowledge while gaining valuable working experience.

Overview

3
3
years of professional experience
1
1
Certification

Work History

Senior Data Scientist

H-One Private Limited a Dialog Company
Colombo, Sri Lanka
12.2023 - 06.2024
  • Developed an AI-powered chatbot utilizing ChatGPT-4 Omni (GPT-4-o) and Azure Cognitive Search, transforming how annual reports are interpreted by leveraging a robust knowledge base (KB). The solution made complex financial and non-financial data easily accessible and actionable within seconds, enabling users to retrieve specific insights without reviewing lengthy documents.
  • Led a data lake deployment project for Hirdaramani Apparel, Sri Lanka, utilizing Microsoft Fabric’s Data Engineering and Data Integration capabilities to ensure seamless ingestion, processing, and storage of large-scale structured and unstructured data. This project enhanced data accessibility and enabled actionable insights through real-time integration with Power BI.
  • Designed and deployed end-to-end Power BI dashboards for MAS Intimates in Sri Lanka and Bangladesh, revolutionizing daily production monitoring by integrating real-time Azure Synapse Analytics pipelines, and enhancing data models for performance. Refined the UI/UX design, resulting in faster decision-making processes, and a 30% improvement in dashboard usability.
  • Developed and optimized interactive Power BI reports, incorporating advanced DAX functions, drill-through filters, cross-report navigations, KPI indicators, and alert mechanisms, delivering actionable insights for key stakeholders. Improved report performance by reducing dataset size, refining queries, and implementing best practices in Azure Analysis Services.
  • Implemented Microsoft Fabric Dataflows and Pipelines to streamline ETL processes and integrate various data sources, such as Azure SQL Database, Azure Blob Storage, and third-party APIs, ensuring high data quality and real-time updates for Power BI dashboards.
  • Built an enterprise-wide data governance framework, leveraging Microsoft Purview in collaboration with Azure services, to enhance metadata management, lineage tracking, and compliance reporting across the organization. Collaborated with cross-functional teams to align data strategies with business objectives.
  • Created scalable datasets for marketing campaign executions using Azure Data Factory and Azure Databricks, enabling detailed segmentation and targeted campaigns. This initiative resulted in a significant boost in sales performance, and improved marketing ROI.
  • Spearheaded an Azure-based migration project, moving on-premises Power BI reporting systems to a cloud-native solution using Microsoft Fabric and Azure Synapse Analytics. Enhanced scalability, reduced latency, and enabled secure role-based access control for sensitive data.
  • Built advanced machine learning pipelines in Power BI using Python and R scripts, integrated into Power Query workflows. These pipelines automated anomaly detection, forecasting, and trend analysis for business-critical KPIs.
  • Developed Power BI reports integrated with Microsoft Teams and Power Apps, enabling seamless collaboration, data sharing, and actionable insights across departments. This integration improved team efficiency by 25%, and streamlined reporting workflows.

Data Scientist

Dialog Axiata PLC
Colombo, Sri Lanka
05.2022 - 12.2023
  • Led a project to develop a geospatial solution, leveraging telco data, to identify optimal locations for outlet revamping. The tool enabled businesses to uncover untapped areas, assess relocation opportunities, upgrade existing outlets, and monitor performance, empowering data-driven decision-making.
  • Served as a developer for the hyper-personalization campaign management system, integrating end-to-end campaign planning, execution, and analytics, doubling campaign uptake, and reducing message overload for over 12 million subscribers.
  • Automated the creation of over 30 million personalized products daily using a dynamic pricing analytical solution, achieving a 30% incremental conversion rate and saving over 50,000 human hours per day by bypassing manual processes.
  • Built production-ready ML pipelines in AWS SageMaker, including Snowflake procedures for data transformation, ingestion, and writeback, ensuring seamless integration and scalability.
  • Developed an AWS DeepAR-based forecasting model to predict individual data usage, enhancing customer journey orchestration with highly accurate product recommendations.
  • Designed analytical data marts using Snowflake and AWS Athena to monitor revenue and usage for over 10 million customers across more than 50,000 locations, driving actionable insights for revenue growth.
  • Created a tower-wise revenue forecasting model using AWS DeepAR, enabling strategic decisions that led to the decommissioning of 5,000+ towers and achieving an 8% cost savings in 2022.
  • Leveraged K-means clustering in Python to profile customer segments, reducing churn, and converting 26% of secondary users to primary users, and 58% of zero users to secondary users through targeted campaigns.
  • Conducted system integration testing (SIT), data validation, and UAT as part of Snowflake, AWS, and Tableau Cloud migrations, ensuring smooth transitions from on-premise systems.
  • Managed project documentation, timelines, and user stories in an Agile environment using tools like JIRA, Confluence, and SharePoint, ensuring the timely delivery of innovative solutions.

Data Analyst

Dialog Axiata PLC
Colombo, Sri Lanka
10.2021 - 04.2022
  • Developed an automated process using SQL windowing functions to calculate a Customer Network Experience Index for over 10 million mobile users, analyzing call drop patterns (voluntary vs. Involuntary call drops were reduced by 12%, preventing churn, and improving customer satisfaction.
  • Built and deployed a customer propensity model using the CatBoost algorithm, achieving 70% prediction accuracy for digital top-up conversions via banking and self-care apps, resulting in a 20% increase in digital top-ups within three months.
  • Designed and implemented summarized data marts and data pipelines in Snowflake, Oracle, and Hadoop databases to support self-analytics, and develop interactive dashboards in Power BI and Tableau for business stakeholders.
  • Collaborated with data engineers to integrate external and internal data sources into the data lake, designing SQL-based table structures in Oracle, and conducting extensive data validations to ensure accuracy and reliability.
  • Delivered ad-hoc analytics and actionable insights by leveraging SQL queries, Python-based analysis (using NumPy, Pandas, and Matplotlib), and visualizations in Power BI and Tableau, enabling senior management to make informed decisions.

Education

Bachelor of Science - Applied Statistics

University of Colombo
Sri Lanka
12.2021

Skills

  • Proficient in Azure Cloud Environment (Microsoft Fabric – Data Engineering, Data Factory, Synapse Real-Time Analytics, Data Warehousing, Power BI Integration; Azure Machine Learning Studio, Azure Synapse Analytics, Azure Data Lake, Azure Data Factory, Azure Blob Storage, and Azure SQL Database)
  • Proficient with querying and machine learning for data analytics (SQL: Snowflake, AWS Athena, Oracle, Apache Hadoop; Python: Classification, Forecasting, Clustering; EDA: Pandas Profiling, Seaborn, Matplotlib; AutoML: PyCaret)
  • Project Management (GIT, Technical Writing, JIRA, Confluence, Agile, Waterfall, SCRUM)

References

Available on request.

Certification

  • Microsoft Certified: Azure Data Engineer Associate (DP - 203)
  • Microsoft Certified: Fabric Analytics Engineer Associate (DP - 600)
  • Google GenAI, LinkedIn course series.
  • Machine Learning Data Lifecycle in Production - Coursera certification
  • Introduction to Machine Learning in Production - Google certification.
  • Data Analytics - Google certification

Personal Information

Title: Data Scientist

Workrights

Full work rights in Australia

Affiliations

• Captain of the University of Colombo Baseball Team (2020)

• Colors-man of University of Colombo Baseball Team (2018-2019)

• Former Player of the Old Royal Baseball Club since 2018

• Player of the North Western Titans Baseball Club Australia since 2024

References

References available upon request.

Timeline

Senior Data Scientist

H-One Private Limited a Dialog Company
12.2023 - 06.2024

Data Scientist

Dialog Axiata PLC
05.2022 - 12.2023

Data Analyst

Dialog Axiata PLC
10.2021 - 04.2022

Bachelor of Science - Applied Statistics

University of Colombo

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Pramoda Thennakoon