Agustine Gonzalez / California, USA

I build systems.

Full stack developer, AI Agent Developer, Automation Engineer, and SaaS architect.

I engineer full-stack platforms, AI-driven systems, and automation infrastructure that turn complex operations into simple, scalable software.

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Top Rated Full Stack Developer

$70/hr / AI, Automation, SaaS

16k+ Upwork

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Systems Interface

Define the outcome. The system composes the execution.

I design full-stack systems, AI agents, and automation layers that formalize business logic into reliable, composable infrastructure.

system.runtime

$ run build-ai-agent

01Parsing task structure and decision boundaries...

02Composing tool access, context, and policy constraints...

03Agent instantiated: deterministic execution with controlled autonomy.

Case Studies

Systems built for scale across AI, automation, and modern SaaS infrastructure.

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Automation Systems

Loan Processing Automation - Make.com, LendingWise & ClickUp

Built an end-to-end mortgage loan-processing automation using Make.com, LendingWise, ClickUp, GoHighLevel, Microsoft 365, Outlook, and OpenAI-assisted workflow steps.

Make.comLendingWiseClickUpGoHighLevel

AI Systems

AI Cold Calling System

Designed a VAPI, Make.com, and GoHighLevel system that qualifies leads, routes outcomes, and books appointments automatically.

VAPIMake.comGoHighLevelOpenAI

Automation Systems

Zapier Webinar Funnel - SalesKick to Facebook Conversions API

Automated the webinar registration and purchase funnel for an AI education institute using Zapier and server-side tracking integrations.

ZapierWebhooks by ZapierSalesKickFacebook Conversions API

AI Systems

AI Sales Call Review Automation

Built an AI-powered sales call auditing system that automatically processes call transcripts and generates structured performance reviews.

ZapierMake.comOpenAI / GPTSlack

Full Stack Systems

AIRRIVED Official Website

Developed a modern, interactive official website for AIRRIVED focused on high-end visuals, smooth motion design, and performance optimization.

Next.jsThree.jsGSAPBlender

Full Stack Systems

Nango Website

Developed a modern, high-performance official website for Nango with a focus on speed, clean design implementation, and pixel-perfect UI accuracy.

AstroTailwind CSSFrontend DevelopmentResponsive Design

System Architecture

Colectif - Multi-System Business Architecture

Designed and implemented a modular business architecture connecting Apollo, HubSpot, Monday, Shopify, Zoho Books, Airtable, Zest, and Softr into three operational engines.

ApolloHubSpotMonday.comShopify

Automation Systems

Airbnb Invoicing & Payment Automation - Zapier, Guesty & Stripe

Built an automation system connecting Guesty, Stripe, Google Sheets, and Slack using multi-step Zapier workflows for real-time invoicing and payment synchronization.

ZapierGuestyStripeGoogle Sheets

Automation Systems

Airtable CRM & Lead Dashboard - Mortgage Funnel + Make.com

Designed an Airtable-based CRM and dashboard system integrated with Make.com to automate mortgage lead capture, pipeline tracking, and reporting.

AirtableMake.comMeta Lead AdsFacebook Ads API

AI Systems

n8n AI Voice Agent Automation - Vapi + Airtable + AI Agent

Built an AI voice agent automation system using Vapi for calling and n8n for orchestration, transforming raw call outcomes into structured CRM data using AI agents.

n8nVapiAirtableOpenAI

Automation Systems

Cold-Calling Agency Automation - Make.com, GHL & Google Sheets

Designed a scalable automation system for a cold-calling agency using Make.com, GoHighLevel, and Google Sheets to manage outbound calling, CRM updates, and appointment booking across multiple client accounts.

Make.comGoHighLevelGoogle SheetsHTTP API

AI Systems

Real-Estate AI Voice Agent - Vapi, Make.com & GoHighLevel

Designed an AI voice system using Vapi and OpenAI GPT-4o integrated with Make.com and GoHighLevel to handle real-estate lead calls, bookings, and CRM updates.

VapiMake.comGoHighLevelOpenAI GPT-4o

AI Systems

AI Voice Quoting Agent - Vapi + HubSpot + Zapier

Built an AI voice agent system using Vapi to handle inbound calls, qualify leads, and collect structured quote data, then automatically sync results into HubSpot via Zapier workflows.

VapiAI Voice AgentsOpenAIZapier

Automation System Architecture

Client Onboarding Automation - JotForm & Monday.com Workflow Architecture

Designed a client onboarding automation architecture using JotForm as the intake layer and Monday.com as the operational management system. Connected multilingual onboarding forms, document collection, conditional workflows, notifications, and structured data mapping into a seamless client activation process.

JotFormMonday.comJotForm Monday IntegrationConditional Logic

System Architecture

Creator Ambassador Program Ops - Creator Operations Architecture

Designed a multi-system creator operations architecture using Airtable as the central data layer and Make.com + Zapier as orchestration engines, connecting onboarding, CRM, referrals, community access, performance tracking, and crypto payouts into a unified system.

AirtableMake.comZapierKlaviyo

Automation System Architecture

Crypto Affiliate & Subscription Ops - Automation Architecture

Designed a multi-platform operations automation architecture using Airtable as the central data layer and Make.com + Zapier as workflow orchestration engines, connecting subscription management, crypto payments, affiliate tracking, onboarding, contracts, and community access into a unified membership ecosystem.

AirtableMake.comZapierDiscord API

Automation System Architecture

Hiring & Recruitment Automation - Recruitment Operations Architecture

Designed a recruitment operations automation architecture using GoHighLevel as the CRM and applicant pipeline system, with Make.com and Zapier as orchestration engines. Connected application intake, candidate scoring, communication workflows, hiring team tasks, and onboarding processes into a unified automated recruitment system.

GoHighLevelGHLMake.comZapier

Operating Model

From ambiguity to an automated system.

Discover

Find the manual work, business risk, and system constraints that matter.

Architect

Define the durable shape: data flow, ownership, interfaces, and failure modes.

Build

Ship focused product surfaces, APIs, and services that are easy to operate.

Automate

Replace repeated decisions and handoffs with reliable workflows and AI support.

Scale

Harden performance, observability, permissions, and product expansion paths.

Signal

Systems shipped, workflows automated, and production complexity reduced.

Years of Experience

Production Systems Built

Automations Implemented

AI / Agent Integrations

Client Reviews

What clients say after the manual work disappears.

I would confidently recommend him for any complex systems architecture or automation-heavy project. The combination of technical skill and system-level thinking is a strong asset for any growing business.

Holly Addi

Co-Founder @ Colectif

Interface

A structured interface to explore systems, engineering work, and AI integrations.

This layer provides a searchable view into production systems across AI, automation, SaaS, and full-stack architecture.

Query systems, architecture, or applied AI work.

What have you built?

Production systems spanning automation pipelines, AI agent workflows, CRM integrations, SaaS applications, and CMS-driven web platforms.