Christopher Ellis, Developer in Lancaster, PA, United States
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Christopher Ellis

Verified Expert  in Engineering

Unity Developer

Lancaster, PA, United States

Toptal member since September 15, 2022

Expertise
Game DevelopmentAugmented RealityUnityC#Microsoft DevelopmentVirtual RealityCSSAndroidJSONREST APIiOSReact.jsRemote Development
Bio

Christopher is a developer with over a decade of experience in working on a wide range of projects, from games to business applications, including mobile, PC, and mixed reality solutions such as HoloLens and Vuforia. Two of his apps have reached the top 10 in their category, and one of them, Yumi Story Dice, has also been featured by Apple. Christopher is looking for part-time freelance work in any field using the Unity engine, React, Vue, and CSS.

Portfolio

ARound AR
C#, Android, iOS, Augmented Reality (AR), Photon Unity Networking (PUN)...
RADCAT LLC
Unity, Android, Android TV, Augmented Reality (AR)
Self-employed
Android, iOS, HoloLens, Unity, C#, Virtual Reality (VR)...

Experience

  • Unity - 10 years
  • C# - 10 years
  • Unity3D - 10 years
  • Unity2D - 9 years
  • Photon Unity Networking (PUN) - 5 years
  • Augmented Reality (AR) - 4 years
  • HoloLens - 3 years
  • Mixed Reality (MR) - 3 years

Availability

Part-time

Preferred Environment

Unity, 2D Games, 3D Games, C#, Game Design, React, Vue 3, CSS5

The most amazing...

...thing I've worked on is HoloMeeting, a fully remote mixed reality app for remote work to be used on personal computers, desktops, virtual reality, and HoloLens.

Work Experience

Senior Unity Developer

2021 - PRESENT
ARound AR
  • Developed the application framework around desired functionality.
  • Integrated multiple plugins and APIs for database, analytics, user account management, and more.
  • Implemented MQTT in an exciting new way to create a massively multiuser experience.
Technologies: C#, Android, iOS, Augmented Reality (AR), Photon Unity Networking (PUN), Mixed Reality (MR), Unity Cloud Build, Unity Game Assets, Unity Pro, Unity3D GUI Development, Photon, Unity Networking & LAN, Games, 3D Games, Video Games

Unity Developer

2023 - 2023
RADCAT LLC
  • Developed an interactive tutorial to teach new users how to use their AR headset and neckband.
  • Met rapidly changing requirements in a flexible flow to get the job done to client specifications.
  • Helped curate the flow of the tutorial so that it made more sense for the end user, as some things were confusing in the original designs.
Technologies: Unity, Android, Android TV, Augmented Reality (AR)

Programmer | Freelance

2010 - 2021
Self-employed
  • Worked remotely since 2000, requiring a high degree of self-management and self-motivation.
  • Developed two apps that reached the top ten in their category on iOS and Android app stores.
  • Created multiple augmented reality (AR) demos for HoloLens to use in trade shows and sales pitches.
  • Worked on some educational games such as Photon, Inc.
  • Implemented the multiplayer networking solution for Photon and developed a close relationship with them, working out of their office for a week.
  • Worked on training simulation programs for mobiles and personal computers.
Technologies: Android, iOS, HoloLens, Unity, C#, Virtual Reality (VR), Photon Unity Networking (PUN), Mixed Reality (MR), Unity Cloud Build, Unity Game Assets, Unity Pro, Unity3D GUI Development, Photon, Unity2D, Unity Networking & LAN, Unity Editor Scripting, JSON, Games, 3D Games, 2D Games, Card Games, Video Games, Game Design

Experience

HoloMeeting

A mixed reality virtual meeting solution where users are able to upload a wide range of file formats and display them for other users to see and interact with. This project featured Photon networking.

Yumi Story Dice

A children's application featured by Apple that reached the top ten in its category. It is a physics-based dice game featuring cartoon-styled characters. Children can use these characters to create their own stories, which they can record and upload to YouTube.

ARound AR

http://www.aroundar.com
The Around Stadium app is a real-time multi-user experience created for live events like baseball. It allows hundreds of users to interact in real time and smaller groups to play games together. A producer can send special events for the entire stadium to see simultaneously.

Interactive AR Tutorial

I created a tutorial to show new users how to use their new AR glasses and headset. The project required rapid iteration to meet dynamic requirements. The client was happy with the resulting application.

Certifications

AUGUST 2021 - AUGUST 2024

Unity Certified Expert Programmer

Unity

Skills

Libraries/APIs

React, Vue 3, Vue, REST APIs

Tools

HoloLens

Languages

C#, TypeScript 5, CSS, HTML, JavaScript

Frameworks

Unity, Unity3D, Unity2D, Photon Unity Networking (PUN), Unity Pro, Photon

Platforms

Android, iOS, Android TV

Storage

JSON, Unity Cloud Build

Other

Augmented Reality (AR), Unity Networking & LAN, Games, 3D Games, Video Games, Mixed Reality (MR), Virtual Reality (VR), Unity3D GUI Development, 2D Games, Card Games, Game Design, CSS5, Unity Game Assets, Unity Editor Scripting

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