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I'm James King, a Senior Unity & C# Game Developer with 10+ years of Unity experience and 20+ years in interactive software development. I specialize in gameplay systems, XR/VR, multiplayer architecture, tooling, and performance-focused development for Unity-based apps and games. I'm a proven developer with shipped products across Quest, PC, WebGL, and mobile, combining robust software architecture (SOLID, modular) with hands-on gameplay and interaction design. I excel at building scalable pipelines, data-driven tooling, and collaborating with external teams to deliver high-quality XR and immersive experiences.…I'm James King, a Senior Unity & C# Game Developer with 10+ years of Unity experience and 20+ years in interactive software development. I specialize in gameplay systems, XR/VR, multiplayer architecture, tooling, and performance-focused development for Unity-based apps and games. I'm a proven developer with shipped products across Quest, PC, WebGL, and mobile, combining robust software architecture (SOLID, modular) with hands-on gameplay and interaction design. I excel at building scalable pipelines, data-driven tooling, and collaborating with external teams to deliver high-quality XR and immersive experiences.

James King

PRO

Game Developer, Developer, Programmer, +5

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I'm James King, a Senior Unity & C# Game Developer with 10+ years of Unity experience and 20+ years in interactive software development. I specialize in gameplay systems, XR/VR, multiplayer architecture, tooling, and performance-focused development for Unity-based apps and games. I'm a proven developer with shipped products across Quest, PC, WebGL, and mobile, combining robust software architecture (SOLID, modular) with hands-on gameplay and interaction design. I excel at building scalable pipelines, data-driven tooling, and collaborating with external teams to deliver high-quality XR and immersive experiences.…I'm James King, a Senior Unity & C# Game Developer with 10+ years of Unity experience and 20+ years in interactive software development. I specialize in gameplay systems, XR/VR, multiplayer architecture, tooling, and performance-focused development for Unity-based apps and games. I'm a proven developer with shipped products across Quest, PC, WebGL, and mobile, combining robust software architecture (SOLID, modular) with hands-on gameplay and interaction design. I excel at building scalable pipelines, data-driven tooling, and collaborating with external teams to deliver high-quality XR and immersive experiences.

Available to hire

Westerville, United States

I’m James King, a Senior Unity & C# Game Developer with 10+ years of Unity experience and 20+ years in interactive software development. I specialize in gameplay systems, XR/VR, multiplayer architecture, tooling, and performance-focused development for Unity-based apps and games.

I’m a proven developer with shipped products across Quest, PC, WebGL, and mobile, combining robust software architecture (SOLID, modular) with hands-on gameplay and interaction design. I excel at building scalable pipelines, data-driven tooling, and collaborating with external teams to deliver high-quality XR and immersive experiences.

Skills

Unity

Unreal Engine 4

Jira

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Beginner

Beginner

Beginner

Language

English

Fluent

Work Experience

Lead Architect / Developer at Aemulus XR

November 1, 2024 - December 1, 2025

Led architecture and development of a standalone XR training application for Meta Quest 3; implemented real-time patient simulation workflows using MetaHuman; designed structured data output and PDF reporting for training analytics; coordinated work from external development teams; owned technical roadmap, build pipelines, and delivery quality.

Solo Developer at Independent Project (Space-themed science kiosk)

September 1, 2024 - January 1, 2025

Independent development of a large-scale interactive science installation in Unreal 5; built a planet simulation and creation tool with science-based parameters; implemented fully data-driven configuration using CSV-based authoring; synchronized three real-time video outputs (touchscreen UI, projected globe, HD display).

XR Delivery / Development Manager (Unity) at Sogeti / Procter & Gamble

January 1, 2023 - January 1, 2024

Managed a Unity XR development team of 4 developers; delivered 3 multiplayer Meta Quest Unity experiences in under 2 months; refactored and standardized Unity application templates for reuse; architected modular Unity/Android app frameworks; built rapid prototypes and demos; documented coding standards and workflows to improve velocity and maintainability.

Mobile XR Developer II (Unity) at Manifest / American Electric Power

January 1, 2020 - January 1, 2023

Primary technologist driving XR innovation and rapid experimentation; lead Unity developer for enterprise XR applications; led Virtual Training Lab, a modular XR framework for collaborative XR training and simulation; designed extensible interaction, networking, and device abstraction layers; expanded XR applications across VR, PC, WebGL, and hybrid deployment targets; co-developed an internal developer toolkit to accelerate XR R&D.

CoFounder / Technical Director (Unreal) at Lunar Lunchbox LLC

January 1, 2016 - Present

Principal technologist and architect for immersive products spanning XR, games, and R&D/POC; owned real-time engine pipelines, build systems, and asset workflows for a fully remote team; led R&D initiatives exploring spatial input, experimental controllers, and embodied interaction.

Principal Developer at On Innovations (Contract / Remote) – Unity

January 1, 2018 - January 1, 2019

Principal developer for AR training app focused on Atomic Absorption Spectroscopy; applied UX and usability design across 4 training modalities and 2 scripting languages; early development work on VR Laser Tag product integrated into existing laser tag hardware.

Software Developer at JPMorgan Chase

January 1, 2014 - January 1, 2020

Developed courseware for 350,000+ trainees across multiple platforms, focusing on innovation, modularization, and modernization; created VR/AR demos for mobile, tablet, HoloLens, Oculus Rift, and Vive headsets; contributed to live events and prototyping efforts across training programs.