v2.1 Stable

The team you wish existed when you were still inside the machine.

Def0x is a small, specialized unit. Every person is selected — not hired — for one reason: they raise the floor. We solve the problems large firms put in a Q3 roadmap, in days, not quarters, without the overhead eating the middle.

Build: PassingStack: Verified4 Services Running
Process

You don't get a demo in six months. You get something real in two weeks.

No vanishing act, no “trust us, it's coming.” Every engagement follows the build-measure-learn loop — ship something real, get it in front of users, learn what's working, and iterate. Whether it's an audit, a product build, an advisory engagement, or systems work, the principle is the same: decisions based on evidence, not assumptions.

Sprint Cycle
1

Build

Scope the smallest version that tests your riskiest assumption.

2

Measure

Ship it, get it in front of real users, and track what actually happens.

3

Learn

Use real data to decide what to build next — then repeat.

Mode: ContinuousIteration: Active
Shipped

Founders We've Worked With

Deploy: Virtual Time Capsule
app.tryvtc.com
Virtual Time Capsule app screenshot
Technical Audit · Product Engineering · Fractional CTO & Startup Advisory

Virtual Time Capsule

A platform for creating digital time capsules in autobiography, biography, and memoir formats — preserving stories and memories for future generations.

Robinson operates in a completely different league. Before writing a single line of code, he conducted a meticulous full system audit — understanding what we'd built, identifying critical gaps, and establishing a strategic foundation for our next phase. No other developer I've worked with has ever prioritized this. His work ethic is extraordinary, his technical depth is world-class, and what truly distinguishes him is his genuine care for the mission. Working with him doesn't feel transactional; it feels like true partnership. I trust him fully as both a builder and a partner.

Rob GlaserRob Glaser, Founder & CEO of Virtual Time Capsule
Visit Live Site
Deploy: View2Health
demo.view2health.co
View2Health app screenshot
Product Engineering · Fractional CTO & Startup Advisory

View2Health

A personalized weight loss visualization platform that helps users understand the impact of their choices by showing realistic future weight trajectories.

Working with Robinson was a significantly different experience than my past work with other developers. Robinson listened, understood our timeline, and delivered an MVP that completely changed how we deliver our product.

Dee BarkerDee Barker, CEO of View2Health
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Deploy: RSE Energy Group
rseenergygroup.com
RSE Energy Group app screenshot
Product Engineering

RSE Energy Group

B.E.R.T. — an AI chatbot that helps homeowners self-serve repair and maintenance questions instead of calling support — paired with a WordPress-to-Wix migration that consolidated booking and services into a modern stack, cutting operational overhead and tightening security.

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Deploy: JIT Concierge
jitconcierge.com
JIT Concierge app screenshot
Technical Audit

JIT Concierge

Smart lockers for ship-to-store fulfillment, residential package delivery, and 24/7 contactless pickup — deployed across retailers, corporate offices, grocery, and marketplace exchange points.

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Deploy: Boss Controls
login.bosscontrols.com
Boss Controls app screenshot
Systems Engineering · Product Engineering

Boss Controls

An IoT energy management platform that connects behind-the-meter devices to the cloud, providing commercial buildings with real-time energy measurement, predictive load management, and cybersecure device control through its Atmospheres® software.

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Intel

From the blog

View all articles →
(Updated )
Why Outsourcing Software Development Fails Most Startups

Why Outsourcing Software Development Fails Most Startups

Most founders who've been burned by an agency tell the same story. The timeline slipped, but not catastrophically. The deliverables were hit, more or less. The handoff happened. And then they were left holding a product they didn't fully understand, built on decisions they weren't consulted on, by people who had already moved on to the next contract. That's not a horror story. That's the outsourcing model working exactly as designed.

New Thread

Not sure what you need?

That's what the first call is for. Starting from scratch, inheriting a codebase, or looking for senior technical judgment on retainer — discovery is where we figure out which module fits and whether we're the right call at all.

Schedule Your Discovery Call
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