M Randy A. - Portfolio

Geospatial Engineer & Full-Stack Developer

⭐ Overture Maps ETL Pipeline

Enterprise-grade spatial data pipeline for Indonesian POI data. Monthly updates from Overture Maps with Apache Iceberg, AWS Glue, and dual aggregation methods (grid + isochrone).

PRODUCTION BIG DATA INDONESIA Apache Iceberg AWS Glue Geosquare Grid

🌤️ Asia Weather Dashboard

Real-time weather monitoring for 30+ Indonesian and Asian cities. Live data from Open-Meteo API with temperature, humidity, and wind speed visualization.

LIVE DATA INDONESIA ASIA Open-Meteo API Leaflet.js

🗄️ Big Data Indonesia Pipeline

Spatial big data processing pipeline for Indonesian geographic data. Demonstrates Apache Spark-style ETL with 10M+ records from multiple Indonesian data sources.

BIG DATA INDONESIA Apache Spark Python ETL Spatial Processing

🌍 Real-Time Earthquake Dashboard

Live earthquake monitoring dashboard using USGS real-time API. Displays seismic activity with magnitude distribution charts and interactive map.

LIVE DATA USGS API Leaflet.js Real-time

🔄 ETL Pipeline Dashboard

Extract-Transform-Load pipeline processing real open data from USGS, Open-Meteo, and OpenStreetMap. Shows live data flow and transformation logic.

LIVE DATA Python ETL Data Engineering Open Data

🗺️ Interactive Wisconsin Map

Custom interactive web map showing Southwest Wisconsin counties with roads, waterways, and multiple base layers.

Leaflet.js Cartography Web Mapping

📊 Spatial Data Pipeline

Automated GIS data processing pipeline dashboard showing throughput metrics, performance analysis, and quality assurance.

Python PostGIS Data Engineering

🗺️ GIS Dashboard

Regional analysis dashboard with interactive filters, real-time statistics, and location details visualization.

GIS Dashboard Data Viz

Built with real open data sources: USGS, Open-Meteo, OpenStreetMap, BPS Indonesia, Overture Maps