Show me a named project, not a claim.
One Total Life is Evan Matthew McCall's practice: fifteen years of self-taught engineering work, held to the same standard he asks every AI vendor to meet. Every credit below is a named project or role, independently checkable on its own terms.
Fifteen years, in order.
Fifteen years building software with no formal engineering degree, starting in small shops and progressing to senior engineer and fractional CTO roles.
Shipped a VR product for Major League Baseball's At Bat platform.
Engineering work inside Pier 59's VR accelerator program.
Development context for BrainRap, an EEG brain-computer-interface and AI platform, inside the Abbey Road RED program and MIT Media Lab.
Won the 2019 MIT Reality Virtually hackathon with BrainRap, the EEG brain-computer-interface platform built during the Centiment engagement below.
Global senior full-stack engineer and contract CTO, building BrainRap and its supporting platform.
Built GPT-powered chatbots and productivity tools. Integrated an AI chatbot into customer support that improved issue resolution by 35 percent.
HoloLens development work for DOCOMO Innovations.
Architected an AI coaching platform processing queries in under 400 milliseconds, reaching 15+ countries. Led a distributed team of 8 engineers and designers with zero security incidents under HIPAA- and GDPR-aligned controls.
Owned technology strategy for a senior-care platform. Shipped an AI assistant that cut patient-inquiry response time by 40 percent, and introduced OKRs and agile practices that increased delivery speed by roughly 30 percent.
Brings that record into a governed, approval-gated method for AI automation consulting, co-pilot coaching, and software engineering.
Every build, in one place.
The timeline above is the short version. The portfolio is the full build history: named platforms, AI automation products, client engagements, and patent-backed scientific computing, each with the numbers you can check.
Approval gates that stay human.
Every automation One Total Life builds runs through The Governed Automation Loop: the system drafts, and a person approves before anything executes. Actions with legal, financial, reputational, or irreversible consequences always route to Approval Gates That Should Stay Human. Delivery is co-piloted, built live on your real work, so your team leaves with a working system and the know-how to run it.
One focused session maps where automation pays off in your operation.
Book a time, or reach out directly to talk through your specific work first.