Get your custom AI & software built — free working prototype in 3 days.

Most agencies want $50K and 6 months — staffed with juniors. You get ex-Meta & IBM engineers and PhDs.

75%+ Demo-to-Client Conversion AI-Native, Proposal to Production AILA Innovator Spotlight '25
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Trusted by teams at

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OUR APPROACH

See it work before you pay.

We build a working prototype of your project — free. If it delivers, we keep going. Every engagement is founder-led with 15+ years shipping at scale.
3–12 wk

Average delivery time

75%+

Demo-to-client conversion

50+

Production apps shipped

$500K+

Revenue generated for clients

"Wei has a great combination of technical ability and business sense. He helped unblock the team on several key product decisions by bringing clear insights and recommendations."
Michael Mangarella
Michael Mangarella
Staff Data Scientist, Meta

HOW IT WORKS

From idea to production in weeks, not months.

Other agencies start with a contract. We start with working code.
01

Prototype

We build a working prototype of your project in 3 days — free. Not a mockup. Not a pitch deck. Real code you can click through and show your team. If it doesn't convince you, walk away.

3-day delivery, $0 cost
your-prototype.nexrizen.dev LIVE
1 export async function buildPrototype(spec) {
2 const app = await deploy(spec)
3 return { demo: app, cost: 0, days: 3 }
4 }
5
Deployed | 3 files changed Day 3 of 3
Sprint 3 · Week 6
65%
To Do
Auth flow
API layer
Building
Dashboard UI
Integrations
Shipped
DB schema
Onboarding
Prototype
02

Build

You greenlight it, we go heads-down. Founder-led sprints, weekly demos, full-stack delivery in 3–12 weeks. You talk directly to the engineers building your product — not an account manager.

Founder-led, weekly demos
03

Launch & Scale

Production-ready code, not a prototype that 'needs a few more months.' We handle infrastructure, integrations, and the messy parts other shops skip. Need ongoing support? Monthly sprints, zero lock-in.

50+ apps in production
Production Dashboard All systems go
99.9%
Uptime
+340%
Throughput
0.8s
Response

WHY NEXRIZEN

Why clients choose us

Free Working Prototype

Most agencies want a $50K deposit before you see a single screen. We build you a working prototype in 3 days — free. Then deliver the full project in 3–12 weeks, not 6 months. If it doesn't convince you, walk away.

"His talent enabled us to take our platform to a level that would take most dev shops months to complete. A true hidden gem!"
Kevin Malley
CEO, GyftGram (Techstars '24)

AI That Actually Works

We've built AI systems handling 1,000+ conversations daily. Not demos. Production systems generating real revenue.

"This isn't just automation—it's a complete transformation. We've unlocked new revenue streams while actually reducing our operational complexity."
Arvin Saenz
Founder & CEO, Saenz-Garcia Law

Boutique Attention, Enterprise Quality

Big agencies shuffle you between account managers. We give you direct founder access on every project.

"I've hired him multiple times. He's smart, trustworthy and a great partner in thinking creatively not just about technology solutions - but how they match to business decisions."
Helaine Knapp
Founder & CEO, CITYROW (acquired by WaterRower)

We Don't Just Build AI — We Run On It

6 proprietary AI systems power our business — from proposal generation to dev acceleration. That's why we deliver in weeks, not months. Check our open-source work on GitHub.

"His approach to integrating cutting-edge solutions has been fundamental in improving operational efficiency. It has transformed our platform."
Josue Roman
COO, ABACROP

CAPABILITIES

What We Build

Custom Software

Web apps, internal tools, client portals. Full-stack development with modern frameworks.

Examples: SaaS platforms, dashboards, workflow tools
"He is creative, nimble and understands how to align tech with business goals. Having this level of talent has been an absolute game changer for us."
Ashley Keith
Co-Founder, CITYROW

AI & Automation

Intelligent systems that handle real work. Chatbots, document processing, lead routing.

Examples: AI intake systems, automated workflows
"I needed growth but couldn't take more clients—drowning in busywork. Nexrizen gave me time back and capacity to scale."
Jessica Arena
CEO, Arena Law

Integrations

Connect your existing tools. CRM, billing, APIs—we make them work together.

Examples: Salesforce, HubSpot, custom APIs
"Wei is the first person on our speed dial. We partner with him regularly for AI expertise, data science and modeling."
Julia Sebastian
Executive Operations Leader
"I'd hired consultants with minimal progress. Nexrizen delivered in one week, saving attorneys hours weekly."
Tahreem Kalam
Tahreem Kalam
CEO, Minsky, McCormick & Hallagan, P.C.

Let's see if we're the right fit.

Book a free 30-minute call. We’ll discuss your project and tell you honestly if we’re the right fit.

Get Your Free Prototype

See working code before you pay