# Riyaldi Hasan Setiawan > Riyaldi Hasan Setiawan is a software engineer in Sukoharjo, Indonesia, building web apps, Android apps, and machine learning systems. This site collects projects, experience, and writing. ## Main pages - [Home](https://riyaldi.dev/): Overview, selected work, stack, and recent writing. - [Home as Markdown](https://riyaldi.dev/index.md): Text version of the home page, including experience. - [About](https://riyaldi.dev/about): Skills and work experience. - [Projects](https://riyaldi.dev/projects): All published projects. - [Blog](https://riyaldi.dev/blog): All published articles. ## Projects - [P!NGFEST 2023 Platform](https://riyaldi.dev/projects/pingfest-2023): Led the web team and managed VPS infrastructure to support a national competitive programming event. Delivered 100% uptime for 70+ competing teams. - [Bangkit Machine Learning Capstone](https://riyaldi.dev/projects/bangkit-ml-capstone): Selected as Google Bangkit Academy cohorts (10% Acceptance Rate). Developed a TensorFlow model for real-world application, collaborating with a cross-university team. - [NutriVision Android App](https://riyaldi.dev/projects/nutrivision): Native Android application built with Kotlin. Applied intermediate mobile development principles to create a seamless user experience. ## Writing - [Hello World](https://riyaldi.dev/blog/hello-world): A quick introduction to my digital garden and the optimism I hold for the future of software engineering.