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Muratrox · Applied AI

Applied AI engineeringfor systems that can't drop.

Voice AI, custom automation, and multi-tenant SaaS platforms. No retainer loops, no vaporware demos.

Voice AIn8nNext.jsSupabaseOpenAI

Production stack

Bland AI
OpenAI
Anthropic
Supabase
Twilio
Pinecone
GoHighLevel
Stripe
QuickBooks
Cloudflare
Vercel
GitHub Actions
Bland AI
OpenAI
Anthropic
Supabase
Twilio
Pinecone
GoHighLevel
Stripe
QuickBooks
Cloudflare
Vercel
GitHub Actions

Services

What we build.

Featured service

Voice AI

24/7 voice receptionists and agents with natural understanding, smart transfers, and RAG over your documentation. Wired to Twilio, your CRM, and your calendar.

Bland AIOpenAI RealtimeTwilioRAG

Operations

Custom automation

Tailored operations and back-office workflows. Idempotent, observable, designed to survive your peak loads.

Event-drivenIdempotentObservableCustom

Connectivity

Integrations

We wire up your CRM, ERP, telephony, billing, and custom APIs. We work with what you have. No forced migrations.

GoHighLevelCapsuleServiceM8QuickBooks

Platform

Multi-tenant SaaS

Full-stack platforms with RLS isolation, flexible billing, and per-tenant panels. Designed to scale without a rewrite.

Next.jsSupabaseStripeVercel

Intelligence

AI agents and RAG

Agents with persistent memory, function calling, and RAG over your corpus. For internal support, sales, or judgment-driven automation.

OpenAIAnthropicPineconeLangChain

Web

Portfolios and e-commerce

Fast, accessible sites and stores optimized for conversion. Next.js stack, Vercel hosting, real metrics from the first release.

Next.jsTailwindStripeVercel

Don't see your case? We build any custom system you need — company, team, or personal project.

Let's talk

Work

Systems we shipped to production.

Modern Restoration

Multi-branch restoration operation with no central system. Each branch ran tickets and clients in silos.

Multi-tenant SaaS platform with 70+ PostgreSQL tables, 55+ REST modules, 14 integrations, and a RAG chatbot on Pinecone. Multimodal analysis with Gemini over field photos.

Next.jsSupabasePineconeGeminiStripe+14
12,400+ tickets/monthprocessed automatically

Professional portfolio

Freelancer · LATAM. Reference available on request.

Professional with no web presence. No home to showcase past projects, capture leads, or establish technical credibility against incoming opportunities.

React 19 + Vite + Tailwind v4 portfolio built from scratch. Six sections (hero, about, experience, portfolio with per-project detail, certificates, contact), Framer Motion animations, React Router multi-page, functional contact via EmailJS.

React 19ViteTailwind v4Framer MotionEmailJS
6 sectionsfully custom designed and built

Restoration services operator

California, mid-market. Reference available on request.

After-hours inbound calls leaking as lost leads. No 24/7 receptionist, no emergency coverage.

Virtual receptionist on Bland AI running a 53-node pathway. Intent classification, smart transfer, and automated scheduling in GoHighLevel.

Bland AIGoHighLevelTwilioOpenAI
0 dropped callsin 90 days, 100% intent capture

B2B services operator

LATAM, mid-market. Reference available on request.

Manual collections with WhatsApp follow-ups and spreadsheets. Days Sales Outstanding (DSO) growing month over month.

End-to-end automation of the billing cycle. Capsule CRM as single source of truth, adaptive email templates, Slack escalation for adjusters.

Collections timeline diagramD1Email 1sentD3Email 2openedD7Email 3clickD14Email 4replyD21Email 5promiseD30Email 6paid
Capsule CRMGmailSlack
60% DSO reductionzero manual follow-up

Testimonials

What our clients say.

Delivered projects, real clients on the record. No marketing fluff, no filters.

Project delivered

Web redesign and development for a music TV channel with integrated programming

Gustavo Vainstein

Gustavo Vainstein

Director · Music TV channel

Nelson did excellent work. Efficient and precise. He handled a very complex project and executed it with mastery. He commands different technical approaches and has deep knowledge of every stage of web development.
HTMLCSSJavaScriptPHPMySQLWordPressResponsive designJoomla

Process

How we work.

  1. 01
    1 to 2 weeks

    Discovery

    We map your operation, existing integrations, and where the real pain lives. We exit with an honest first take before any commitment.

  2. 02
    1 week

    Technical design

    Technical spec with stack, architecture, milestones, and fixed cost before any code. If the spec doesn't convince you, that's where it ends, no cost.

  3. 03
    4 to 12 weeks

    Iterative implementation

    Weekly releases to your staging. You decide what each sprint prioritizes. No surprises, no silent scope drift.

  4. 04
    ongoing

    Handoff and support

    Full technical documentation, code in your repo, credentials in your hands. Optional monthly support with no lock-in if you prefer.

Stack

The tools we ship with.

Generative AI

  • OpenAI
  • Anthropic
  • Bland AI
  • Google Gemini

Backend

  • Next.js
  • Node.js
  • PostgreSQL
  • Supabase

Frontend

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
  • Framer Motion

Data and RAG

  • Pinecone
  • LangChain
  • PostgreSQL
  • pgvector

Cloud and DevOps

  • Vercel
  • Cloudflare
  • GitHub Actions

Integrations

  • Twilio
  • Stripe
  • GoHighLevel
  • Capsule CRM
  • QuickBooks

FAQ

What clients ask us most.

  • It depends on scope. An integration or a voice agent: 4 to 6 weeks. A full multi-tenant SaaS platform: 3 to 5 months. Discovery (1 to 2 weeks) closes the exact range before we commit.

Contact

Tell us what you want to build.

We respond within 24 business hours with an honest first take: we build it, we extend on top of what you have, or we point you to who does it better.

Let's talk

We respond within 24 business hours. Languages: Spanish and English.

Emailholisnegros1312@gmail.com
Response time< 24h business
CoverageLATAM · US
LanguagesSpanish · English

Available

Voice AI, custom automation, multi-tenant SaaS, integrations, e-commerce, or any custom system you need — company, team, or personal project. If it has logic, we build it.

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