Josh Wittner is a Principal Software Engineer at Microsoft in the Greater Seattle area focused on Microsoft Mesh and mixed-reality collaboration. He brings a game-engine pedigree from DigiPen and roles at Snowblind, ArenaNet, and Signal Studios into modern XR and cloud systems, enabling him to bridge low-level engine work with high-level collaboration services. An active contributor to notable open-source projects like the MixedRealityToolkit and NuGetForUnity, he specializes in build/configuration automation, cross-language wrapper APIs, and session discovery/management in UI. Pragmatic and full-stack, he surfaces operational improvements—credential handling, packaging, and installation optimizations—that accelerate delivery for teams shipping complex mixed-reality experiences.
10 years of coding experience
17 years of employment as a software developer
BS, Real Time Interactive Simulation, BS, Real Time Interactive Simulation at DigiPen Institute of Technology
Contributions:17 releases, 29 reviews, 144 commits in 5 years 4 months
Contributions summary:Josh primarily worked on enhancing the NuGet package manager for Unity. They implemented features to support various Unity folder structures and .NET versions, ensuring compatibility. The user also fixed bugs related to deprecated APIs and logging, and optimized the installation process for better integration with VSTS. Additionally, they created a build script for packaging the project and made improvements to credential handling.
The MixedRealityToolkit is a collection of scripts and components intended to accelerate the development of mixed reality applications targeting Windows Mixed Reality.
Role in this project:
Full-stack Developer
Contributions:26 commits, 33 PRs, 9 pushes in 7 months
Contributions summary:Josh contributed to the Mixed Reality Toolkit by adding and modifying build configurations, suggesting involvement in project setup and build processes. They also made changes to Java and C# wrapper APIs, indicating work on cross-platform integration or adapting the toolkit for different environments. Furthermore, the user implemented functionality related to session management and discovery within the UI, demonstrating work spanning both the backend and frontend sides of the project.
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