John Gwinner
Fractional CTO & Senior Technology Consultant at DWorld VR
Los Angeles Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolJohn Gwinner is a seasoned Fractional CTO and senior technology consultant with 15+ years of hands-on experience leading teams from startup MVPs to enterprise-scale products and acquisitions. He blends deep C++ and full-stack expertise with cloud architecture (AWS/Azure), VR/Metaverse development, and Oracle/ERP systems to deliver measurable outcomes—up to $75M in recurring revenue and multimillion-dollar cost reductions. Known for turning failing products into high-performance systems, he architects scalable microservices, CI/CD pipelines, and HIPAA-compliant solutions while directly mentoring distributed teams of 40+ developers. A published author and paid GDC speaker, he brings unusual breadth across game engines, blockchain-based Metaverse work, and medical device IoT—often staying just hands-on enough to speak the language of DBAs and hardcore devs. He consistently improves performance and delivery velocity (examples include 3600% faster deploys and dramatic algorithmic speedups) and has a track record of building offshore capacity that supports multimillion-dollar services.
10 years of coding experience
30 years of employment as a software developer
BS EE Electrical Engineering Creative Writing, BS EE Electrical Engineering Creative Writing at Cornell UniversityUniversity of California, Los Angeles
c++, c#, javascript, python, yaml, English
Github Skills (200)
firmware10
svg10
in-app-purchase10
intel10
camera10
raspberry-pi-camera10
api10
computer-vision10
oculus10
delphi10
nodejs10
google-earth10
webhooks10
texturing10
hardware10
Programming languages (26)
Github contributions (5)
jgwinner/ReactVRBook
Sep 2017 - May 2018
Files for the book "Getting Started with React VR" by Packt publishing
Contributions:14 commits, 35 pushes, 1 branch in 7 months
reactpublishingpacktreact-vrunity
jgwinner/bench
Aug 2022 - Nov 2022
CLI to manage Multi-tenant deployments for Frappe apps
Contributions:16 PRs, 23 pushes, 2 branches in 3 months
tenantfrappemulti-tenantdeploymentscli
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