# Zidni Ridwan Nulmuarif

> Zidni Ridwan Nulmuarif (handle: zidniryi) is a software developer based in Indonesia with 8+ years of experience in web and mobile development. This site is the portfolio of Zidni Ridwan Nulmuarif and the home of the apps (including Pandai Kids) and open-source projects built by Zidni.

Key facts:
- Role: Software Developer; currently Software Engineer at Alpha Red Solutions Sdn Bhd
- Location: Indonesia
- Contact: zidniryi123@gmail.com · Contact form: https://zidniryi.typeform.com/to/HnAEgldX?typeform-source=zidniryi.my.id
- Profiles: GitHub https://github.com/zidniryi · LinkedIn https://www.linkedin.com/in/zidni-ridwan-nulmuarif/ · X https://x.com/zidniryi · Blog https://konsepkoding.com/
- Skills: Angular, React, Vue, TypeScript, JavaScript, HTML, CSS, Sass, Firebase, Express, PHP, Node.js, AWS, React Native, Swift, Kotlin, Python, Rust, Ionic, SQL & NoSQL, AI & LLMs, Machine Learning, Ollama, Supabase, Docker

## Apps

- [Pandai Kids](https://zidniryi.my.id/apps/pandaikids/): Learning games for kids 3 to 8. Pandi the panda guides children through 20 gentle activities for early reading, math, creativity, music and focus. Plays offline, with no sign-up and no in-app purchases. Platform: Android. Status: Coming soon to Google Play. Languages: English, Bahasa Indonesia, Bahasa Melayu.
- [Pandai Kids privacy policy](https://zidniryi.my.id/apps/pandaikids/privacy-policy/): What data the app keeps, the anonymous Firebase progress backup, child-directed non-personalized AdMob ads, and how parents delete data (https://zidniryi.my.id/apps/pandaikids/privacy-policy/#deleting-your-data). Last updated 2026-11-04.

## Open-source projects

- [CutVii](https://cutvii.space/): A multi-track video editor that runs entirely on your computer: offline, no account, no analytics. Titles, auto subtitles, voice-over, auto clips and AI upscaling run on-device. License: MIT. Platforms: macOS, Windows, Linux. Source: https://github.com/zidniryi/cutvii
- [tupa](https://github.com/zidniryi/tupa): Stash it. Resume it. Any AI agent. Save, list and resume AI coding sessions across Claude Code, Codex, opencode and more from one CLI. Install with npm i -g @zidniryi/tupa. License: MIT. Platforms: macOS, Windows, Linux. Source: https://github.com/zidniryi/tupa
- [OpenNearby](https://zidniryi.space/opennearby/): Share files between devices on the same Wi-Fi or LAN, with no cloud upload, no account and no signaling server. Guests open a browser and get the same interface, with nothing to install. License: MIT. Platforms: macOS, Windows, Linux, Android. Source: https://github.com/zidniryi/OpenNearby
- [unbagrnd](https://zidniryi.space/unbagrnd/): Remove image backgrounds on-device with AI: no cloud API, no account, no telemetry. Refine edges with a brush, export the alpha mask, add a background color and shadow, one image or a batch with ZIP export. License: MIT. Platforms: macOS, Windows, Linux, Android. Source: https://github.com/zidniryi/unbagrnd
- [CopyBrain](https://www.copybrainapp.xyz/): A second brain for everything you copy. A clipboard manager that archives text, code and links automatically, offline and encrypted on your computer. License: Open source. Platforms: macOS, Windows, Linux. Source: https://github.com/copybrainapp/copybrainapp
- [Navix](https://zidniryi.space/navix.html): Fast, cross-platform code navigation and indexing: offline symbol lookup, file jumping and project-wide search without a heavy IDE. License: MIT. Platforms: macOS, Windows, Linux. Source: https://github.com/zidniryi/navix
- [yougoldberg](https://github.com/zidniryi/yougoldberg): An OSINT username-discovery tool that checks 100+ platforms for a username and reports every profile it finds, for education and legitimate research. License: MIT. Platforms: macOS, Windows, Linux. Source: https://github.com/zidniryi/yougoldberg

## Portfolio

- [Portfolio home](https://zidniryi.my.id/): Experience, skills, services, client work and contact details.
- [Résumé (PDF)](https://zidniryi.my.id/assets/pdf/cv-zidni.pdf)

## Optional

- [Full text for LLMs](https://zidniryi.my.id/llms-full.txt): Everything on this site as plain Markdown, including the full Pandai Kids privacy policy.
- [Older portfolio](https://zidniryi.space/): Previous site with project pages for OpenNearby, unbagrnd and Navix.