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Now accepting new engagements

Digital systems your business can rely on.

I'm Paul John Villarico — a web developer and systems engineer with 12+ years of production web development experience. I design and build websites, AI-powered workflows, business automation and the network infrastructure behind them, working directly with founders and operators who need technology that performs and represents their business well.

Fixed-scope proposals Direct communication NDA available on request
Portrait of Paul John Villarico
Experience
12+ Years
Focus
Ai Systems
Contact Me View selected work
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0
Years Web Dev
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AI Video Works
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Platforms Delivered
1
Direct Point of Contact
Live systems built and delivered for
ScoreED AZ• MWBA Enterprises• Holcomb Consulting• Phelonpreneur Network• Essential Credit Solutions• Clear Solutions• KirkDon Shipping•
01 / About

Engineering the space between ideas and execution.

I build modern websites, business platforms, AI-powered workflows and automation systems that connect technology to real business outcomes. My background spans more than a decade of production web development, which is why I move comfortably between interface design, back-end logic, integrations, servers and delivery workflows instead of handing pieces off to someone else.

Beyond web engineering, I work with AI image and video generation, ComfyUI pipelines, n8n automation, APIs, webhooks and AI-assisted production systems. I also understand network infrastructure, including MikroTik devices and OLT environments, which lets me approach a client's technology from the application layer down to the network it runs on.

12+ years, production work

Not tutorials or side projects — live sites and systems running for real businesses.

Full-system perspective

Frontend, backend, automation, AI, APIs, servers and network infrastructure.

AI-first thinking

Generation, orchestration, prompt systems and production-ready AI workflows.

No agency layer

You work directly with the person building your system, start to finish.

02 / Capabilities

One partner. Multiple layers.

A cross-functional capability set for delivering complete digital systems — from interface and application logic to automation, AI and infrastructure.

Web Engineering

Responsive, conversion-focused and maintainable business websites and web applications.

PHP JavaScript Tailwind

AI Production

Image and video generation systems built around repeatable workflows and model orchestration.

ComfyUI Image AI Video AI Prompts

Automation

Connected systems that move data, trigger actions and remove repetitive manual operations.

n8n REST APIs Webhooks GHL

Infrastructure

Network-aware implementation with practical experience across routing and access infrastructure.

MikroTik OLT DNS Cloudflare
03 / Specialized Systems

From polished front-end to the systems behind it.

I work across the full delivery chain: customer-facing experiences, business automation, AI production workflows, application integrations and the infrastructure that supports them. That means fewer handoffs, faster problem-solving and a more coherent final system.

CRM & Funnels

GoHighLevel / GHL

I build and customize GHL experiences beyond standard templates — branded forms, landing pages, intake flows, webinar funnels, product journeys, tags, segmentation, and email/SMS sequences that connect the front-end experience to the sales process.

Custom HTML/CSS in GHL
Email & SMS workflows
Forms, funnels & intake
Tags, triggers & routing
Integration Layer

Webhooks & API Integration

I design webhook-driven integrations that move data reliably between websites, CRMs, automation platforms and AI services — structured JSON payloads, event listeners, authentication, response mapping and real-time status flows.

JSON payload processing
REST API connections
WebSocket status updates
HTTP/TLS troubleshooting
Automation

n8n Workflow Engineering

I use n8n to orchestrate multi-step business and AI workflows — receiving webhooks, calling APIs, transforming data, applying conditional logic and routing results to external services, including self-hosted environments where deeper control is required.

Webhook-triggered workflows
AI/API orchestration
Conditional business logic
Self-hosted automation
Generative AI

ComfyUI & AI Production Systems

I build ComfyUI-based image and video workflows that operate as production systems, not manual experiments — custom workflow design, model selection, prompt/style systems, remote API access, queue handling and integration with web interfaces and n8n.

Custom ComfyUI workflows
Image & video pipelines
Remote API integration
Queue & progress handling
04 / How I Work

Technical depth, business discipline.

Clients do not need another collection of disconnected tools. They need a system that looks professional, works reliably and can still be maintained a year after launch.

01

End-to-end delivery

Design, code, automation, AI and infrastructure decisions are connected instead of treated as separate projects.

02

Production-minded builds

Reliability, data flow, deployment and error handling are considered — not only how the interface looks.

03

Business-first execution

Technology should reduce friction, improve the customer experience and simplify internal operations.

04

Long-term perspective

With 12+ years in web development, I build with the next change, integration and growth stage in mind.

Engagement Process

Five stages, one accountable partner.

01 — Discover

Goals, current workflow, bottlenecks and technical requirements.

02 — Propose

Fixed-scope proposal covering deliverables, timeline and cost.

03 — Build

Design, development, integrations and automation, with progress check-ins.

04 — Verify

Cross-device testing, integration checks and client review before launch.

05 — Launch

Deployment, documentation, handoff and an agreed support window.

Fixed-scope proposals Direct access, no account managers Full source code ownership Documented handoff Post-launch support window NDA on request
Typical Engagements

Best fit for serious digital builds.

New business platforms, website rebuilds, funnel systems, CRM automation, internal tools, API integrations, AI-generation interfaces and workflow modernization for teams that need it done right the first time.

05 / Selected Work

Built, shipped, live.

A selection of live client-facing websites and AI systems demonstrating design, development, automation and workflow engineering across multiple industries.

06 / Technology

Tools are only useful when they ship outcomes.

My stack crosses product development, creative AI, workflow automation and network infrastructure.

Development

PHP JavaScript HTML5 CSS3 Tailwind CSS MySQL Git

AI & Creative

ComfyUI LLMs Image Generation Video Generation Prompt Engineering Model Workflows

Automation & Systems

n8n REST API Webhooks WebSockets GoHighLevel Cloudflare

Networking

MikroTik OLT Routing DNS Server Connectivity Troubleshooting
07 / Frequently Asked

Questions worth answering upfront.

How do you price a project?

Every project is scoped individually based on complexity, integrations, content and timeline. After a discovery call, you receive a fixed-scope, written proposal — not a generic package price — so you know exactly what you are paying for before work begins.

How long does a typical build take?

It depends entirely on scope. A focused business website moves faster than a project involving CRM automation, AI workflows and custom integrations. Your proposal includes a realistic timeline with milestones, agreed before development starts.

Do you work with existing developers or platforms?

Yes. I can integrate with an existing codebase, extend a platform you already use (such as GoHighLevel), or take handoff of a legacy system. I document decisions clearly so your team is never dependent on undocumented work.

What happens after launch?

You receive full source code ownership and documentation at handoff. Every proposal includes an agreed post-launch support window, and ongoing maintenance or feature work can continue afterward on a retainer or project basis.

Will I sign an agreement or NDA?

Yes. I am glad to sign an NDA before discussing sensitive details, and every engagement is confirmed with a written proposal or agreement before any payment or work begins.

Can you work with clients outside my time zone?

Yes. I work remotely with clients across regions and time zones, using async-friendly communication with scheduled calls for discovery, milestones and launch.

Available for qualified projects

Need more than a website? Let's build the system behind the business.

I work best with clients who value reliable execution, professional presentation and systems that can grow. Projects are scoped around business impact, complexity, integrations and long-term maintainability — not template-level pricing.

Web Platforms GHL Systems n8n Automation AI / ComfyUI API Integrations
villarico.pauljohn.30@gmail.com
Typical response time: within 1 business day
Remote-first, available across time zones
AI Generation Portfolio AI Video Work
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Share your goals, current setup and required integrations. You'll get a direct reply from me — not a sales team.

For the fastest evaluation, include your goals, existing platform, required integrations and target timeline.