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About Me

GIS Analyst and Remote Sensing Specialist with 3+ years of professional experience in enterprise GIS, spatial analysis, and satellite/UAV remote sensing, delivering geospatial solutions for local government, agriculture, defence, renewable energy, and environmental applications. Strong expertise in ArcGIS Pro, QGIS, Python automation, SQL Server geodatabases, Google Earth Engine, and spatial data governance.

Combining industry delivery with a PhD in Computer Science and 15+ years in teaching and applied research, I bring a rare blend of technical depth, analytical rigour, and stakeholder engagement to build scalable geospatial systems and decision-support tools. Author of 6 peer-reviewed publications.

Professional Experience

Geospatial Research Assistant

05/2022 – 10/2025
Lincoln Agritech Ltd., Lincoln University, New Zealand

- Led end-to-end geospatial workflows for satellite (Sentinel-2) and UAV imagery: acquisition, processing, analysis, and reporting.

- Developed Python-based automation for satellite and UAV data processing, improving efficiency and reproducibility.

- Operated eBeeX UAV (RedEdge, Duet T, SODA 3D sensors); processed imagery using Pix4D for orthomosaics and DSMs.

- Operated RTK-GNSS systems (Trimble R10) for high-accuracy spatial data capture.

- Developed SOPs and technical documentation for UAV, GNSS, and remote sensing data acquisition.

- Delivered training, workshops, and technical reports for industry partners and research stakeholders.

GIS Mapping & Analysis Resource — Consulting Contract

05/2025 – 07/2025
Christchurch City Council, New Zealand

- Managed parcel, zoning, and District Plan datasets within an enterprise GIS environment (SQL Server geodatabases).

- Maintained spatial data integrity and compliance with enterprise standards and governance frameworks.

- Performed data validation and prepared datasets for publication to enterprise systems.

- Produced statutory planning maps and spatial outputs for planners and internal stakeholders.

- Collaborated across business units to deliver accurate, fit-for-purpose spatial solutions.

Research Technician

11/2025 – Present
Lincoln University, New Zealand

- Manage laboratory environments for education and research, including experimental apparatus preparation and specimen handling.

- Collect and systematise field samples (gas, soil) for scientific analysis — cleaning, filtration, and quality control.

- Execute experimental setups and field research activities; compile findings into reports and scholarly papers.

Lecturer and Researcher

10/2008 – Present
Can Tho University, Vietnam

- Delivered undergraduate and Master's courses in GIS, Programming, Database Systems, Data Mining, and Information Systems.

- Supervised 30+ undergraduate projects and 3 Master's graduates in computing and spatial analysis.

- Designed course materials, practical laboratory sessions, and assessment frameworks across in-person, blended, and online formats.

- Led European Space Agency-funded rice identification project (PI) for the Mekong Delta (2023–2024).

- Organised workshops in GIS, Python, and Remote Sensing for students and professionals.

Postdoctoral Researcher — AI / Machine Learning

07/2021 – 12/2021
Lincoln University, New Zealand

- Built and analysed neural-network models (including RNN-based approaches) for biological system dynamics.

- Implemented data processing, modelling, and visualisation in Python, MATLAB, and R.

- Authored scholarly articles and analytical reports.

Selected Projects

Key projects demonstrating applied geospatial expertise across government, defence, agriculture, and environmental sectors.

Projects

Bucket Test from Space — Principal Investigator (AGMARDT)
AI tool using satellite imagery to detect irrigation issues and improve farm water efficiency. Led end-to-end research from data acquisition to prototype delivery for industry partners.
High-Accuracy Rice Identification — Mekong Delta (ESA-Funded, PI)
Led applied geospatial analysis and tool development for rice mapping using multi-source remote sensing data. European Space Agency funded, 2023–2024, with international partners.
Tracking Pasture Quality with Satellite Imagery (MBIE–NASA)
UAV lead pilot for data collection. Applied PROSAIL radiative transfer models validated with APSIM and ground truthing. Developed protocols for government stakeholders.
Mānuka Identification Tool (Mānuka Health)
Sentinel-2 processing (L1C→L2A), data mining, statistical modelling, and custom ArcGIS toolboxes for industry client.
UAV + Satellite Crop Monitoring Pipelines
Python-based pipelines for imagery download, preprocessing, feature extraction, and reporting from Sentinel-2 and UAV datasets.

Selected Publications

  1. Sandhya Samarasinghe, T.N Minh-Thai, Komal Sorthiya, Don Kulasiri (2025): Neurons and neural networks to model proteins and protein networks, BioSystems, Volume 258, 2025, 105613. SCIE-WoS.
  2. Sandhya Samarasinghe, T. N. Minh-Thai (2023): Autonomous Regeneration of Form and Function in Biological Organisms. PNAS NEXUS, Oxford Academic. ESCI-WoS.
  3. T. N. Minh-Thai, Sandhya Samarasinghe, Michael Levin (2021): Autonomous Regeneration Systems. Artificial Life, MIT Press. SCIE-WoS.
  4. T. N. Minh-Thai, Aryal J., Samarasinghe S., Levin M. (2018): Autonomous Self-repair Systems. AI 2018, Lecture Notes in Computer Science, vol 11320, Springer. Scopus.
  5. T. N. Minh-Thai and Nguyen Thai-Nghe (2015): Intelligent Systems in Smart Home. FDSE 2015, Lecture Notes in Computer Science, vol 9446, Springer. Scopus.
  6. T. N. Minh-Thai and Nguyen Thai-Nghe (2015): Abnormal Usage Detection in Smart Homes. KSE 2015, IEEE. Scopus.

Technical Skills

ArcGIS Pro / ESRI

QGIS

Python (Geospatial & Automation)

Remote Sensing (Sentinel-2, Classification)

SQL / Spatial Databases

Google Earth Engine

UAV Operations (eBeeX, Pix4D)

RTK-GNSS (Trimble R10)

Data Governance & Metadata

R / MATLAB

Tableau / Power BI

Medium Articles

Writing about geospatial analysis, remote sensing, Python automation, and applied GIS techniques.

1. Spatial Programming & Remote Sensing - How spatial programming and remote sensing are transforming the way we understand our world.
2. Apply Masks on Satellite Images - Practical guide to applying cloud and water masks to remove unwanted pixels from satellite imagery.
3. Remove Photo Background by Python - Using OpenCV and image processing techniques to remove backgrounds from images.
4. Watermark Photos with Python - Adding watermarks to photos using PIL and OpenCV libraries.
5. ChatGPT API with Python - Integrating OpenAI's API with Python for AI-powered applications.
Last updated: 8 May 2026