
2025 · ianholen.github.io/Assessment-Web
A smart-agriculture platform that recommends the optimal crop for a plot of land. From soil nutrients (N, P, K), temperature, humidity, pH, and rainfall, a machine-learning model predicts what to plant to maximize yield. A React/Vite frontend with a Flask + PostgreSQL backend, featuring soil analysis, a recommendation history, and a dashboard.
ReactViteFlaskPostgreSQLML · numpy

2024 · ianholen.github.io/s2c-callcenter
A real-time call-center management platform built entirely on AWS: Cognito for roles (supervisor/agent), AppSync (GraphQL) + DynamoDB for data, and Lambda + Amazon Connect for telephony and the in-browser softphone. Agents handle calls while supervisors monitor each agent's state, live transcription, and sentiment alerts in real time.
Next.jsAWS AmplifyCognitoAppSyncAmazon Connect

2023 · ianholen.github.io/Equipo5
A fantasy RPG of battles and magic where the player explores the world, fights, and progresses through the adventure. It ships full user accounts —sign-up, login, and save-game— so you can pick up right where you left off. Built in Unity (C#) and shipped to WebGL to play straight in the browser, with a Node/Express + MySQL backend handling users and progress.
UnityWebGLNode.jsExpressMySQL