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Thimira Mastiyage Don, Data Scientist
Thimira Mastiyage Don
🇦🇪United Arab Emirates
Created AtUpstaffer since August, 2026
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Thimira Mastiyage Don — Data Scientist

Expertise in Data Science (4.5 yr.), Data Extraction and ETL (4.5 yr.).

 Last verified on August, 2026

Core Skills

Python
Python
4 yr.
R
R
4 yr.
SQL
SQL
4 yr.
Scikit-learn
Scikit-learn
4 yr.
Xgboost
2 yr.

Bio Summary

  • Mechatronics Engineer and Data Scientist with 4+ years in engineering data analytics, predictive modeling, and industrial operations.
  • Expertise in Python, R, SQL, AWS, LangChain, Pinecone, and Power BI for scalable ML and data pipeline solutions.
  • Delivered 70% reduction in manual reporting via automated ETL and real-time construction monitoring platforms.
  • Developed RAG-based retrieval assistants and XGBoost risk prediction systems with 0.98+ recall deployed on AWS Lambda.
  • Strong foundation in sensor/SCADA telemetry, time-series analysis, and engineering design using SolidWorks and MATLAB.

Technical Skills

Programming Languages Python, R
AI & Machine Learning AWS SageMaker, Hugging Face, LangChain, Mlflow, Neural Networks, NLP, NumPy, Pinecone, Prompt Engineering, PyTorch, Scikit-learn, Xgboost
Python Frameworks FastAPI
Python Libraries and Tools Matplotlib, NumPy, Pandas, PyTorch, Scikit-learn, Seaborn
Mobile Frameworks and Libraries Push notifications
Data Analysis and Visualization Technologies DVC, Pandas, Power BI, Regression, Time Series
Databases & Management Systems / ORM MongoDB, PostgreSQL, SQL
Amazon Web Services AWS EC2, AWS Lambda, AWS S3, AWS SageMaker
Platforms Arduino, Raspberry PI
Deployment, CI/CD & Administration CD DevOps pipelines, CI/CD
Virtualization, Containers and Orchestration Docker
SDK / API and Integrations FastAPI
Version Control Git, Github Actions
Third Party Tools / IDEs / SDK / Services MatLab
Other Technical Skills NX, PID controller, Solidworks, Unreal Engine

Work Experience

Data Scientist - RedBrick Engineering (Construction Monitoring and Material Passport Platform)

Duration: Sep 2023 – Nov 2025

Summary: Development of a real-time construction monitoring platform integrating structured and unstructured engineering/BIM documentation, and a Material Passport platform for capturing and retrieving material specifications and sustainability attributes across construction projects.

Responsibilities:

  • Designed IFC data architecture and automated ETL data pipelines integrating engineering/BIM documentation.
  • Built document and technical-data extraction from complex engineering models and manufacturer specification documents.
  • Initiated a RAG-based retrieval assistant using Pinecone, LangChain, and NLP for project specifications.
  • Contributed to data architecture of Material Passport platform.
  • Developed interactive Power BI dashboards tracking real-time KPIs on progress and equipment/operational performance.

Technologies: IFC, ETL, Pinecone, LangChain, NLP, Power BI, BIM

Manufacturing Technician - Illusion Australia Manufacturing Pty Ltd (Gas Log Fire Units Production)

Duration: Nov 2024 – May 2025

Summary: Applied engineering principles to equipment and process performance for the production of gas log fire units, ensuring safety compliance and quality assurance.

Responsibilities:

  • Full unit assembly and production-equipment operation.
  • Conducted gas leak and pressure testing on finished products.
  • Ensured safety compliance and quality control throughout production.

Data Scientist - MedHealth (IME Reports Data Conversion and Analysis)

Duration: Mar 2021 – Aug 2021

Summary: Converted unstructured IME reports into governance-compliant, analysis-ready datasets and standardized job titles for improved reporting consistency in healthcare data analytics.

Responsibilities:

  • Developed custom Python parsers for document-based data extraction at scale.
  • Standardised job titles into structured categories using TF-IDF clustering, MiniBatchKMeans, and PCA.
  • Performed NLP extraction of Whole Person Impairment severity scores from clinical free-text.
  • Conducted audit-style QA on data-driven outputs.
  • Delivered Power BI dashboards for monthly stakeholder reviews.

Technologies: Python, TF-IDF, MiniBatchKMeans, PCA, NLP, Power BI

Data / Engineering Analyst - Dynamic Energies (Hydro Power Plant Risk and Performance Analysis)

Duration: Jun 2018 – May 2019

Summary: Conducted engineering analysis and automated risk-calculation reporting for emergency events and system checks at a hydro power plant to support reliability and predictive maintenance.

Responsibilities:

  • Analysed PLC and SCADA sensor/telemetry data, grid balance, transformer performance, and machine security.
  • Applied statistical and time-series methods to operational and industrial data.
  • Automated risk-calculation reporting for emergency events and system checks.

Technologies: PLC, SCADA, Statistical Analysis, Time-series Analysis

Mechatronics Intern - Zhejiang Jinlun Electro-Mechanic (Turbine Component Modelling and Process Analysis)

Duration: May 2017 – Aug 2017

Summary: Modelled turbine components and analysed manufacturing and operational processes in hydro power stations to optimise equipment performance and quality assurance.

Responsibilities:

  • Modelled turbine components using SolidWorks.
  • Analysed processes in small and medium hydro power stations.
  • Inspected turbine manufacturing processes and SCADA systems.
  • Performed quality-assurance checks on turbine components.

Technologies: SolidWorks, SCADA

Mechatronics Intern - Wijeya Newspapers (Newspaper Production Process Improvement)

Duration: May 2016 – Aug 2016

Summary: Developed solutions to resolve production issues and provided maintenance for newspaper printing machines to improve operational efficiency.

Responsibilities:

  • Developed a solution to resolve auto-paste issues in newspaper production.
  • Provided maintenance and servicing for printing machines.

Education

  • MBA in Digital Transformation & AI, Royal Roads University, UAE
    In progress
    2025 – 2027
  • M.Sc. Data Science, RMIT University, Australia
    GPA 3.7 / 4.0
    2020 – 2021
  • B.Sc. Mechatronics Engineering, Asian Institute of Technology (AIT), Thailand
    GPA 3.48 / 4.0
    2014 – 2018

Certification

  • AWS Certified Cloud Practitioner
  • Google Data Analytics Professional
  • IBM Databases & SQL
  • Python for Data Science (IBM)

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