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Mitchell Katz Sk1er


I'm Mitchell and I am avid software developer making products ranging from Minecraft modifications ("mods") to websites and external support infrastructure.
You can view my coding activity at any time Here


Rye Country Day School

2015 → 2019

Lehigh University

2019 → Present (Expected Gradation May 2023)

Robotics Club

2016 (10th grade) → 2019

Head of software development. Program Vex EDR robot using pros to perform exactly as driver anticipates and perform autonomous tasks using sensors.

2017-2018 & 2018-2019 Vex In The Zone state qualifier

Squash Team member

2015 (9th grade) → 2019

Four year squash athlete and senior varsity player.


Project Manager & Lead Developer Hyperium™ Minecraft Client.

February 2018 → Present

My responsibilities include releasing updates, coordinating developers, managing user relations and deciding product direction.

Hyperium™ is an open source free Minecraft Client. The features withing the client are heaving influenced by player feedback. More information available at https://hyperium.cc

Founder, Lead Designer & Developer of Sk1er.club

2015 → Present

My website began as a statistics website for the Hypixel Minecraft Server. As my mods became more popular, I began to integrate mod related features into the website. For example, mod analytics are published to https://sk1er.club/graphs. Users can customize a profile on https://sk1er.club/user

Minecraft Mod Developer

2015 → Present

Since my start in 2015, I have made dozens of Minecraft modifications in order to improve user experience. Some of the most popular include ChromaHUD, a mod that displays important game information directly on a player's screen, Levelhead™, a mod that displays a player's level above their head and Keystrokes, a mod that shows what keys a player is pressing.

The analytics for the mods can be viewed at https://sk1er.club/graphs.
A more complete list of my mods and their descriptions can be found at https://sk1er.club/mods.


2018 → Present

As CEO, I oversee finances, allocate developer resources, and monitor websites and Linux servers for clients and in-house projects including Hyperium and Minecraft mods.


2013 → Present

Produce entertainment and educational YouTube videos on my channel, Sk1er.

My Content includes Let's Plays, Minecrat Mod Releases and Minecraft Mod Showcases for Entertainment

Minecon 2018

In September 2018, Microsoft invited me and three others YouTube creators to the Flagship Microsoft Store in New York City for Minecon Earth.

Meet and Greet

At the start of the event, I participated in a meet and greet where I took photos, talked to and autographed items from hundreds of Minecraft fans.

Minecraft Trivia

I hosted several rounds of Minecraft Trivia. Minecraft fans could show off their knowledge in a live round of trivia

Pictures from Event

Throughout the event, I took pictures with friends and peer.

Minecraft Saturday (March 30, 2019)

On Saturday, March 30, 2019 Microsoft invited me to participate in Minecraft Saturday in NYC

Meet and Greet

During the event, I alternated between a meet and greet and Q+A, and a live build session. Over the course of the day, I interacted with hundreds of Minecraft fans, inspiring the next generation of content creators

Live Build

During the event, I built a variety of creations within Minecraft including castles, farms, and dragons

Pictures from Event

Throughout the event, a professional photographer look pictures of the action

Tools & Technologies


  • Java, all systems
  • Ubuntu

Video Editing

  • Adobe Premier Pro


  • IntelliJ IDEA
  • PHP Storm
  • Webstom
  • Pycharm

Database GUIs

  • Datagrip

Version Control

  • Git

Back End Coding, Tools & Frameworks

  • PHP 5+
  • Java
  • Python
  • Kotlin
  • Node.js
  • SQL
  • MongoDB

Front End Coding, Tools & Frameworks

  • HTML & HTML5
  • CSS & CSS3
  • Javscript
  • JQuery

Hobbies & Interests

  • Minecraft Mod Development
  • Universe Sandbox
  • Kerbal Space Program
  • Science & Technology
  • Space & Rockets


Rye Country Day School Computer Science Department Award 2018

In 2018 I was awarded the Rye Country Day School Computer Science Department Award for outstanding performance in the computer science during the 2017-2018 school year.