Kareem Shahwan
Software engineer. I build and ship production systems — data pipelines, scrapers, and the infrastructure behind them.
Recent Posts
Stop Making the AI Edit Inside Roblox
2026-04-11I forked a Roblox Studio MCP server, ripped out the line-based editing tools, and replaced them with something that actually works.
Synchronized Two-Player Animations in Roblox
2025-12-08How I built a system for cinematic grab attacks where two characters play perfectly synced animations.
30% Faster Hitboxes with Custom Replication
2025-11-12How I built a hitbox system on top of custom replication that detects players more accurately than Roblox's default.
Currently building
Roofs Agency
A production lead-generation platform for Florida re-roof sales teams. Turns millions of public property and permit records into scored, route-clustered door-knock leads.
Selected Projects
SkidBase
A data breach search engine. Aggregated breach data from multiple monitoring services into one affordable, searchable tool.
StubHub Monitor
A Discord bot that scrapes StubHub event pages for real-time ticket inventory and logs sales trends to Google Sheets.
TM Auth Research
Security research tool exploring MFA flow vulnerabilities and browser fingerprinting on a major ticketing platform.
Yokai Trials
demo ↗A DanDaDan-inspired PvP game on Roblox. Gacha-based characters, unique movesets, infusions, and parry-driven combat.