GIS / Geospatial

• Made a geographical data pipeline 50x faster

  Accelerated geographical data pipeline performance by 50x by improving SQL programming and data modeling across PostgreSQL, MS SQL, and Google Cloud BigQuery.

• Improved GIS map performance 10x on PostgreSQL

  Improved geographical map application performance by 10x through strategic database transition from MSSQL to PostgreSQL, including the data cutover, optimizing processing and data security.

• Resolved 1,000 issues in geographical data

  Resolved 1,000 issues in geographical data and time‑series data, using GDAL, ArcGIS, PostGIS, Mapbox, QGIS, SQL (PL/pgSQL, Transact‑SQL), Bash, ensuring high‑quality big data processing.

• Delivered 8 Power BI projects with manuals

  Delivered 8 Power BI projects with comprehensive manuals, integrating Microsoft Power BI tools with NodeJS API and Python FastAPI for effective data analytics and visualization.

• Released 500 electricity and GIS data reports

  Released 500 electricity and GIS data analysis reports, utilizing deep research and troubleshooting to ensure accurate geographic and time series big data insights.

• Ran 100 PostgreSQL, MS SQL, BigQuery warehouses

  Architected, created, and managed 100 PostgreSQL, MS SQL, and Google BigQuery data warehouse databases with primarily GIS and time‑series data, optimizing performance and scalability.

• Accelerated PostgreSQL performance by 10x

  Accelerated PostgreSQL performance by 10x via strategic indexing, partitioning, and query optimization, enhancing database efficiency for user, tenant, geospatial, and time‑series electrical data.

• Automated GIS SaaS deployment with GitHub Actions

  Automated GIS SaaS application deployment, data processing, and reporting system using GitHub Actions CI/CD, Python, Bash, and SQL.

• Automated delivery of 20 GIS data pipelines

  Automated delivery of 20 GIS data pipelines and app data ETL processes, streamlining infrastructure automation and reporting.

• Optimized forecasting and investment strategies

  Optimized forecasting and investment strategies for 11 electricity grid operators, driving operational efficiency through data‑driven GIS solutions.

• Led 30+ GIS projects from build to support

  Led the development, deployment, and support of over 30 GIS projects, demonstrating expertise in PostgreSQL, Bash, Python, JavaScript, GDAL, ArcGIS, PostGIS, and Mapbox technologies.

• A mapping product, carried end to end

  Architected, developed, implemented, supported infrastructure, data processing, and the map application for 2 years non‑stop without any weekends, holidays, or vacations, 10–14 hours a day.

This work is part of what we offer as GIS & Geospatial Solutions, Data Pipeline Development (ETL/ELT), Database Performance Tuning, Data Analytics & BI Dashboards, Backend & API Development, Data Governance & Quality, Data Warehouse Design and Database Administration (DBA).

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