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Dharmvir Dharmacharya

© 2026 Senior Frontend Engineer

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Writing

Notes from the craft desk.

Deep dives on design systems, motion heuristics, and product engineering rituals.

All AI AI Integration Developer Tools Gemma 4 LLM Next.js Open Source open source, next.js, typescript, web development, tutorial, system design Portfolio Qwen 2.5 Reactive Native - Expo Supabase TypeScript

The Invisible Pattern: How AI Watermarking Actually Works

Last week, Anthropic started watermarking everything Claude writes. Google has been doing the same thing to Gemini's text for over a year. The first question everyone asked was fair: does this make the AI worse? The answer is no - but almost every explanation of why gets the mechanism wrong. Including the one you've probably read. Let me walk through what's actually happening, in plain English.

Open-sourced my portfolio CMS. Host it yourself, fork it, send PRs — whatever you want to do with it.

A Portfolio CMS for developers you can self-host and bend to whatever you want. Next.js 16, Supabase, TypeScript. Inside: why I built it, how to get yours running in fifteen minutes, and what I'd love help with.

https://github.com/DDharma/portfolio-cms

On-Device AI Powered Interview – Using Qwen 2.5 1.5B Q4_K_M & Gemma 4

On-device AI on mobile isn't an experiment anymore—it's production-ready. I'm sharing what I learned running a small language model directly on an Android phone using llama.rn. No cloud, no API costs. Just a quantised model living on the device and responding in real time. If you're curious whether this is actually viable for a real app, here's the honest answer.

ClipSync: The Clipboard App That Lives on Your Wi-Fi, Not the Internet

A deep dive into the architectural decisions behind ClipSync — an open-source, zero-cloud clipboard sharing tool. Learn how in-memory storage, delta-sync polling, base64 file handling, and LAN IP detection work together in a real app.