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# Joe Reilly

**Headline:** Chief Engineer/ XR Architecture and Engineering
**Profession:** Chief Engineer/ XR Architecture and Engineering
**Location:** &lt;UNKNOWN&gt;, &lt;UNKNOWN&gt;, &lt;UNKNOWN&gt;

## About

Joe Reilly is Chief Engineer for XR Architecture and Engineering at Reilly Apps. He is an XR, AR/VR, game, and software engineer whose work spans large entertainment-technology organizations, startups, and client projects. Joe is strongest in architecting complex systems at scale, solving difficult technical problems, and building large-scale multiplayer experiences. Most recently, he served as a Senior Software Engineer on the Madison Square Garden Sphere launch team, where he architected large-scale experiences including the Wizard of Oz movie experience. Joe designed a custom WebSocket-based multiplayer architecture in Unreal Engine that supported 17,500 concurrent users across 60 nodes. He also shipped an AAA-scale game as its sole developer and architect with AI assistance. His experience includes Unreal Engine, custom networking for game development, AR/VR software engineering and architecture, and work both independently and within large teams. Joe holds a Bachelor’s degree in Film and Television Production from St. John’s University in Queens, New York.

## Highlights

- Architected large-scale experiences on the Madison Square Garden Sphere launch team, including the Wizard of Oz movie experience.
- Designed a custom WebSocket-based architecture in Unreal Engine for 17,500 concurrent users across 60 nodes.
- Shipped an AAA-scale game as its sole developer and architect with AI assistance.
- Serves as Chief Engineer for XR Architecture and Engineering at Reilly Apps.
- Worked in AR/VR Software Engineering and Architecture at both Madison Square Garden Sphere and The Walt Disney Studios.
- Built experience across Unreal Engine, custom game networking, large-scale multiplayer systems, XR, AR/VR, game development, and software architecture.

## Experience

- **Chief Engineer/ XR Architecture and Engineering at Reilly Apps** (2019-01-01–present)
- **Senior Software Engineer/AR VR Software Engineering and Architecture at Madison Square Garden Sphere** (2022-01-01–2025-01-01)
- **Innovation Software Engineer/ AR VR Software Engineering and Architecture at The Walt Disney Studios** (2016-01-01–2019-01-01)
- **Senior Game Developer / Senior Software Engineer at Home Brew** (2014-01-01–2015-01-01)
- **Application / Game Developer at QuiBids** (2012-01-01–2013-01-01)
- **Senior Developer at Buzz Media \(SpinMedia Group, Inc.\)** (2011-01-01–2012-01-01)
- **Senior Multimedia Developer / Software Engineer at GREY Worldwide** (2007-01-01–2008-01-01)
- **Animator / Flash Developer / Project Manager at Michael Williams Web Design** (2005-01-01–2006-01-01)

## Education

- Bachelor’s, Film and Television Production — St. John’s University, Queens NY (2007-01-01)

## FAQ

### What does Joe do?

Joe is Chief Engineer for XR Architecture and Engineering at Reilly Apps. His work includes XR, AR/VR, game development, software engineering, systems architecture, Unreal Engine, and custom networking solutions.

### What are Joe’s strongest technical areas?

Joe specializes in architecting complex systems at scale, solving large and messy technical problems, and designing large-scale multiplayer systems. He is experienced in Unreal Engine and in creating custom networking solutions for game development.

### What did Joe do at Madison Square Garden Sphere?

Joe most recently worked as a Senior Software Engineer in AR/VR Software Engineering and Architecture on the Madison Square Garden Sphere launch team. He architected large-scale experiences, including the Wizard of Oz movie experience.

### What multiplayer-scale system did Joe build?

Joe designed a custom WebSocket-based architecture in Unreal Engine for 17,500 concurrent users across 60 nodes.

### What did Joe do at The Walt Disney Studios?

Joe worked as an Innovation Software Engineer in AR/VR Software Engineering and Architecture at The Walt Disney Studios.

### What did Joe do at Home Brew?

Joe was a Senior Game Developer and Senior Software Engineer at Home Brew.

### What AAA-scale game accomplishment does Joe have?

Joe shipped an AAA-scale game as the sole developer and architect, using AI assistance.

### What did Joe do at QuiBids?

Joe worked as an Application and Game Developer at QuiBids.

### What did Joe do at Buzz Media?

Joe was a Senior Developer at Buzz Media, also known as SpinMedia Group, Inc.

### What did Joe do at GREY Worldwide?

Joe worked as a Senior Multimedia Developer and Software Engineer at GREY Worldwide.

### What did Joe do at Michael Williams Web Design?

Joe worked as an Animator, Flash Developer, and Project Manager at Michael Williams Web Design.

### What kinds of organizations and teams has Joe worked with?

Joe has worked at large entertainment-technology companies including The Walt Disney Studios and Madison Square Garden Sphere, as well as at smaller startups and on client projects. He is comfortable working independently and on large teams.

### What is Joe’s education?

Joe earned a Bachelor’s degree in Film and Television Production from St. John’s University in Queens, New York.

## Links

- LinkedIn: https://www.linkedin.com/in/ACoAAAJv2CABZgh1R3-enuOdPTyHXEpJtX0giSU

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