Ethan Koester

Mentor at KAIROS

California, United States
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Summary

👤
Senior
Ethan Koester is a seasoned Roblox game developer and mentor with over a decade of experience shipping high-profile titles and leading large distributed teams, including the billion-play hit Robloxian Highschool. Based in California, he combines full-stack Lua programming, production leadership, and game design with hands-on work across UI, modeling, animation, sound, and UGC integration. A certified Scrum Master with multiple internships and contractor stints at Roblox Corp, he regularly guides teams through release strategy, analytics, and player-feedback loops—almost all teams he mentored shipped their games. Recently he’s been building new games from the ground up while mentoring accelerator teams, bringing a rare mix of obsessive attention to detail and proven commercial success.
code10 years of coding experience
job6 years of employment as a software developer
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Github Skills (3)

active10
roblox10
script9

Programming languages (1)

Lua

Github contributions (1)

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Roblox/Core-Scripts

Aug 2015 - Mar 2016

All of ROBLOX's core client scripts.
Contributions:19 commits, 11 PRs, 19 pushes in 7 months
robloxscript
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Ethan Koester - Mentor at KAIROS