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Hello, I'mHossain Khan

📍 Toronto, Canada · Senior Software Engineer @ Slack

🚀 Engineer🧪 Vibe Coder🍔 Foodie📸 Photographer

I’m Hossain Khan, a Senior Software Engineer based in Toronto with 15+ years of experience building software - starting on the web and evolving into mobile technologies. Currently, I’m on the Android Platform team at Slack, modernizing Block Kit with Jetpack Compose, Workflows, and developer tooling, after leading Android engineering at Kijiji (eBay), Connected, dubdub, and QuickPlay Media.

Shipped & Vibe-Coded

Featured Builds

Full portfolio ↗

CodeMateX

On-Device AI

100% offline Android coding tutor powered by LiteRT-LM & Gemma with 600+ interactive lessons.

Compose Highlight & Shiki

Open Source

Native Jetpack Compose syntax highlighting library & edge Shiki token service for Android and iOS.

TRMNL Ecosystem

E-Ink & Plugins

Android Buddy companion app, display mirror, and custom e-ink plugins (Elements, Quotes, Pickup).

Snippet & Vibe Artifacts

Rapid Prototyping

Offline code notebook for Android, Edge Code Playground on Cloudflare Workers, JSON5-Kotlin, and more.

Daily Drivers

Stack & AI Toolkit

Android & Architecture

Kotlin
Jetpack Compose
Circuit (MVI)
MVVM
Metro / Dagger
Coroutines & Flow
SQLDelight
Material 3

AI Workflow & Edge

Claude Code
GitHub Copilot
Cursor
Gemini CLI
LiteRT-LM
Cloudflare Workers
OpenAPI
GitHub Actions

Off the Clock

Beyond the Terminal

🎧 Coding Fuel: Ambient sessions — Enigma, Eguana, Yanni & Max Payne themes
📸 Through the Lens: Capturing moments at vision.hossainkhan.com (with a live Muzei wallpaper app)
🗺️ AFK Mode: Scenic road trips, world travel, video games, and hunting down great food spots.
🎓 Roots: BSc in Computer Science, University of Windsor

Let's Connect

"15+ years of crafting code, one feature at a time."