# Data Analytics > Selected Engineer ApS work demonstrating Data Analytics — the achievements that prove it. - [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.](https://software.engineer.company/portfolio/delivered-8-power-bi-projects-with-comprehensive-manuals-10/) - [Released 500 electricity and GIS data analysis reports, utilizing deep research and troubleshooting to ensure accurate geographic and time series big data insights.](https://software.engineer.company/portfolio/released-500-electricity-and-gis-data-analysis-reports-11/) - [Optimized forecasting and investment strategies for 11 electricity grid operators, driving operational efficiency through data‑driven GIS solutions.](https://software.engineer.company/portfolio/optimized-forecasting-and-investment-strategies-for-11-electricity-27/) - [Presented 200 UI/UX improvements for the GIS map application, boosting revenue by 10x through enhanced software features.](https://software.engineer.company/portfolio/presented-200-ui-ux-improvements-for-the-gis-28/) - [Developed a Data Analytics reporting system, increasing quarterly software revenue by 400% through Python‑based PDF reports.](https://software.engineer.company/portfolio/developed-a-data-analytics-reporting-system-increasing-quarterly-44/)