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Johnbert Oñez
Selected Work

Projects built with craft & intent

AI platforms, SaaS products, and WordPress solutions — all shipped to production and solving real problems.

Featured case study
AI Platform2024

AI Chatbot Platform

Built a multi-tenant AI chatbot platform with custom LLM integration, real-time streaming responses, and a no-code conversation builder. Reduced support ticket volume by 65% for clients.

65%
Ticket reduction
10K+
Daily requests
99.9%
Uptime SLA
<200ms
Response latency
PythonFastAPIReactOpenAILangChainPostgreSQL
ai-chatbot-platform/main
production
import { LangChain } from 'langchain'
import { OpenAI } from 'openai'
 
const chain = new ConversationChain({
llm: new OpenAI({
model: "gpt-4o",
streaming: true,
},
memory: new BufferMemory(),
});
 
// 65% reduction in support tickets
// 10K+ daily active conversations
Multi-tenant500+ orgs
StreamingSSE / WebSocket
No-code builderFlow editor
AnalyticsReal-time dash
Selected Work

Projects that ship and scale

A curated selection of AI solutions, web applications, and WordPress builds — each solving real problems at production scale.

Versa-Style Dance Company preview
WordPress

Versa-Style Dance Company

Nonprofit website for LA hip-hop dance org

Full WordPress site for a Los Angeles-based 501(c)(3) nonprofit promoting hip-hop and street dance diversity. Features Divi-based layouts, Google Tag Manager integration, lazy-loaded media, and IntersectionObserver animation triggers.

PHPGTMCSS Animations
Skin Lasers Dermatology preview
WordPress

Skin Lasers Dermatology

Premium medical practice website

High-trust medical website for a board-certified dermatology and cosmetic treatment center in Northern California. Integrated patient portal, appointment scheduling, product shop, and professional credential trust signals.

WooCommercePHPCustom ThemeSEO
ChainBytes Bitcoin ATM preview
WordPress

ChainBytes Bitcoin ATM

B2B SaaS platform for Bitcoin ATM operators

Dark-themed marketing and dashboard site for a Bitcoin ATM manufacturer. Features cloud fleet management software with KYC/AML compliance, cash monitoring, and automated SAR/CTR reporting built in.

Custom ThemePHPJavaScriptSchema SEO
Marie-Elizabeth Mali preview
WordPress

Marie-Elizabeth Mali

Author portfolio with premium typography

Elegant author website for the book "Sex, Death & Cash". Features WP Rocket performance optimization, custom Google Fonts pairing (League Spartan + Montserrat), multiple header variants, and deferred script loading.

PHPGoogle FontsPerformanceCustom Theme
Ripped with Ripkens preview
WordPress

Ripped with Ripkens

Fitness coaching with local SEO

Personal trainer website built on Divi with rich Schema.org JSON-LD structured data for local business SEO. Features multi-breakpoint responsive layouts, CSS animation library, and conversion-optimized coaching CTAs.

PHPSchema SEOCSS Animations
Devotion Damian preview
WordPress

Devotion Damian

Wellness coaching & retreat brand

WordPress + Elementor Pro site for a personal wellness brand offering retreats, yoga, coaching, and writing. Features sticky smart nav, heavy lifestyle photography, lazy-loaded backgrounds, FAQ accordions, and multi-platform social integration.

Elementor ProPHPElementsKitSEO
By the numbers

6 years of shipping work

50+
Projects shipped
6
AI products built
30+
Clients served
99.9%
Avg. uptime
Testimonials

What clients say about me

Real feedback from the people who trusted me to build their products.

LinkedIn verifiedin

"Johnbert delivered an AI chatbot platform that cut our support load by 65%. The quality of the LangChain implementation and the streaming UX was well beyond what we expected. Would rehire immediately."

Sarah MitchellCTO, NovaTech Solutions

"We hired JB to build our SaaS MVP from scratch — Next.js frontend, FastAPI backend, Stripe billing, the works. He shipped in 6 weeks. Clean code, great comms, zero hand-holding needed."

Marcus WebbFounder, Launchpad SaaS

"Our WooCommerce store had serious performance issues. Johnbert overhauled the entire stack — custom theme, caching, CDN config — and got us from 42 to 96 on Lighthouse. Revenue went up 30%."

Priya NairHead of Digital, Velo Commerce

"The document intelligence engine Johnbert built processes 10K+ PDFs a day without breaking a sweat. His knowledge of RAG pipelines and vector search is genuinely impressive."

Daniel OseiProduct Manager, FinFlow AI

"Brought Johnbert in for a headless WordPress migration to Next.js. He handled WPGraphQL, ISR caching, and Vercel deployment like it was nothing. Site is blazing fast and a joy to maintain."

Yuki TanakaCEO, Aether Digital

"Johnbert delivered an AI chatbot platform that cut our support load by 65%. The quality of the LangChain implementation and the streaming UX was well beyond what we expected. Would rehire immediately."

Sarah MitchellCTO, NovaTech Solutions

"We hired JB to build our SaaS MVP from scratch — Next.js frontend, FastAPI backend, Stripe billing, the works. He shipped in 6 weeks. Clean code, great comms, zero hand-holding needed."

Marcus WebbFounder, Launchpad SaaS

"Our WooCommerce store had serious performance issues. Johnbert overhauled the entire stack — custom theme, caching, CDN config — and got us from 42 to 96 on Lighthouse. Revenue went up 30%."

Priya NairHead of Digital, Velo Commerce

"The document intelligence engine Johnbert built processes 10K+ PDFs a day without breaking a sweat. His knowledge of RAG pipelines and vector search is genuinely impressive."

Daniel OseiProduct Manager, FinFlow AI

"Brought Johnbert in for a headless WordPress migration to Next.js. He handled WPGraphQL, ISR caching, and Vercel deployment like it was nothing. Site is blazing fast and a joy to maintain."

Yuki TanakaCEO, Aether Digital
Let's work together

Got a project in mind?
Let's build it.

AI systems, SaaS platforms, WordPress solutions — whatever the scope, I bring craftsmanship and precision from day one.

50+Projects shipped
<24hResponse time
6+Years experience