Rezha Julio

Data Engineer with 11+ years of experience building large-scale data pipelines, streaming systems, and data platforms at companies like Gojek and Traveloka — processing petabytes of data daily. I tinker with Python, DevOps, and open-source projects, and co-organize PyCon Indonesia and PythonID meetups.

Recent Projects

• PythonID Bot

  A comprehensive Telegram bot for managing group members with profile verification, captcha challenges, and anti-spam protection.

  Python Telegram Bot

• Solar System Explorer

  An interactive 3D orrery simulation of the solar system with real-time planetary orbits and multilingual support.

  Three.js JavaScript WebGL

• AI Councils

  A multi-agent deliberation platform where five AI counselors with distinct perspectives collaborate to analyze complex problems.

  AI Multi-Agent Web

• Rezha Tab Organizer

  A browser extension to keep your tabs organized and your sanity intact.

  JavaScript Web Extension

Featured

• Stop Using innerHTML: The New Firefox Feature That Kills XSS

  26 Feb, 2026

  • 5 min read • webdev

  Firefox 148 just shipped the new Sanitizer API with setHTML(). Here's why you should stop using innerHTML today.

• Next Level Coding with Amp: Planning Before Prompting

  25 Feb, 2026

  • 6 min read • ai

  My experience using Amp, the frontier coding agent. It rewards structured planning and works best as a 'second brain' in your terminal.

• How I Built My Own AI News Anchor (Tech Watch)

  24 Feb, 2026

  • 4 min read • automation

  I stopped doomscrolling and let an AI agent curate my tech news. Here's how I automated my information diet with OpenClaw and Node.js.

• Building a Telegram bot to babysit 24,000 developers

  23 Feb, 2026

  • 6 min read • python

  How I built PythonID-bot to manage the Indonesian Python community on Telegram.

• Why "Dumb" Agents Are Winning: The Case for Shell-First AI

  3 Feb, 2026

  • 5 min read • ai-agents

  Smart agents are great, but simple ones actually ship code. Why tools like Pi and OpenClaw beat complex LSP-based assistants.

• Reducing OpenClaw Heartbeat Token Usage

  1 Feb, 2026

  • 4 min read • openclaw

  Running an AI agent 24/7 sounds cool until you see the token bill. Here's how to cut your heartbeat costs.