Things I've built — from open source libraries to production services.
Personal dotfiles managed with GNU Stow, covering zsh, vim, VSCode, git, SSH, Docker, and macOS package management via Brewfile.
A Kubernetes-inspired YAML-configured data platform that ingests from Postgres, MySQL, MongoDB, Jira, Zendesk, and S3 into an Apache Iceberg data lake.
A travel platform combining curated first-hand blog content organized by region, country, and city with an AI-powered itinerary planner chatbot.
A three-stage Rust CLI pipeline that scrapes job postings, parses PDF resumes, and identifies skill gaps between a resume and a job description.
A public digital garden of data engineering notes, concepts, and guides — built with Quartz v4 and published as a static site.
End-to-end clickstream analytics pipeline using Kafka, Apache Flink, ClickHouse, and Grafana with a full Docker Compose setup.
Personal portfolio website built with Astro, featuring a dark theme, project showcase, and blog.
A high-throughput streaming ingestion platform built with Apache Flink and Kafka, processing 500k+ events/sec into ClickHouse.
An AI-powered tool for analyzing and surfacing insights from email inboxes — summarizing threads, identifying action items, and categorizing messages.
A self-service data lakehouse built on Databricks and Delta Lake, unifying batch and streaming workloads with a single storage layer.
A multi-tenant OLAP analytics platform on ClickHouse, serving sub-second queries on billions of rows for product and business dashboards.
A hackathon project built at Tokopedia Devcamp 2021. Monorepo with a JavaScript frontend, backend API, and database initialization scripts.
A Jupyter Notebook tool that generates optimal learning roadmaps for a given kanji list, ordering characters by component dependencies.
An interactive 3D airplane model rendered with WebGL from scratch for the IF3260 Computer Graphics course at ITB.
A full-stack web app for cinema ticket booking built as a college project (IF3110), with movie listings, seat selection, payment, and user reviews.
A Harvest Moon-inspired farming simulation game built with Java and Swing, where players manage livestock, clear land, and produce goods.
A typical web forum built with Django and JavaScript, featuring threaded discussions, user accounts, and post management.
A LINE bot that translates ITB room codes into human-readable building names, helping students find their classrooms faster.