Lachlan Coleman-Barrett
AI Systems Architect & Growth Engineer
Digital marketer and software developer with experience across SEO, paid advertising, marketing automation, CRM systems, and AI agent development. I build complete business infrastructure — connecting marketing, sales, CRM, and automation into unified growth systems with AI at the core.
Background in web development, SaaS tooling, and cloud infrastructure. Previously worked across e-commerce (Amazon FBA), digital marketing agencies, and SaaS automation. Currently based in Asia, building AI-powered growth systems for businesses.
The infrastructure below serves as my Personal Management System (PMS) — a live operating environment I built to manage my own business, automate workflows, and develop AI agents. The same architecture powers client-facing systems.
All systems are live and running in production. Live demos available on request.
Brands & Sites I've Built
Live brands I've positioned, designed, built, and run end-to-end — my own ventures, not client work.
Tradie Site Engine — an infinite site generator
A config-driven website engine I built in Next.js 16. One config file → a complete, conversion-optimised local-business site: 20–30 routes with programmatic SEO, suburb pages, reviews, and lead capture. Same engine, infinite sites — plus a rebuild-from-URL mode and an optional self-edit CMS. Three live examples:
Live Walkthrough
13-minute video tour of the full infrastructure — services, automation, AI agents, and monitoring dashboards.
Cloud Infrastructure
16 containerized services on a production VPS — Docker Compose orchestration with automatic HTTPS, monitoring, and self-healing.
| Service | Purpose | Status |
|---|---|---|
| N8N | Workflow automation engine | Running |
| LangGraph | AI agent orchestration | Running |
| PostgreSQL | Primary database | Running |
| Redis | Cache & queue management | Running |
| Qdrant | Vector database (semantic memory) | Running |
| Langfuse | LLM observability & tracing | Running |
| Caddy | Reverse proxy + auto HTTPS | Running |
| Gatus | Uptime monitoring | Running |
| Beszel | Server performance monitoring | Running |
| Omi Webhook | IoT transcript receiver | Running |
| Telegram Bridge | Mobile control plane for Claude | Running |
| Static Assets CDN | Caddy-served media & portfolio | Running |
AI Agent Systems
Custom AI agents built with Claude Agent SDK + LangGraph for business intelligence, content generation, and knowledge retrieval.
Knowledge Agent
Natural language queries against business knowledge base. Connected to Google Drive corpus with guardrails and audit logging.
Content Agent
Multi-step content pipeline: draft generation, webhook-triggered approval flows, and publish automation via N8N.
Omi Live Transcription
IoT wearable captures conversations in real-time. Nightly AI summarization, weekly knowledge distillation to Notion + Obsidian.
Semantic Memory Engine
Vector database storing conversation context with auto-extraction. Enables AI continuity across sessions via semantic search.
Claude Ecosystem Intelligence
Weekly automated research sweep across GitHub, Reddit, and YouTube for Claude Code updates, new MCP servers, and community patterns. Interactive synthesis with actionable upgrade recommendations.
Weekly Intelligence Briefing
Automated synthesis across 42 stock tickers, 9 newsletter sources, Reddit, and curated blogs. Delivered as structured Notion report every Sunday morning.
Session Learning System
LLM-powered instinct extraction from session failures and corrections. Mines patterns, auto-updates CLAUDE.md with new rules, and builds a compounding instinct library.
Content Manager Dashboard
Multi-platform content pipeline with Instagram competitor tracking, analytics, and AI script generation. Tracks 8 competitors across content patterns and engagement signals.
SEO Audit Agent
Automated technical SEO analysis: crawl site structure, meta tags, Core Web Vitals, internal linking, schema markup, and keyword gaps. Generates prioritized action report.
GBP Audit Agent
Google Business Profile optimization: reviews analysis, category accuracy, photo completeness, Q&A coverage, post frequency, and local ranking signals.
Website Audit Agent
Full-site analysis: conversion rate optimization, UX issues, mobile responsiveness, page speed, security headers, and accessibility compliance. AI-generated improvement roadmap.
Outreach Agent
AI-powered prospecting: research target companies, generate personalized email sequences, manage follow-ups, track opens and replies. Multi-channel with SMS fallback.
Customer Support Agent
AI chatbot trained on company knowledge base. Handles FAQs, appointment booking, lead qualification, and escalation to human agents when needed.
Competitor Intelligence Agent
Automated competitor monitoring: track pricing changes, new content, ad campaigns, social activity, and market positioning. Weekly intelligence reports delivered via Slack.
Ad Performance Agent
Google Ads and Meta Ads optimization agent. Analyzes campaign performance, identifies wasted spend, suggests bid adjustments, and generates new ad copy variations.
Voice AI Agent
Inbound and outbound voice automation: appointment confirmations, follow-up calls, lead qualification, and customer surveys. Natural conversation with handoff to humans.
Dashboard Generator
Auto-generates VPS operations dashboard every 30 minutes — service health, container status, cron jobs, activity feed.
Telegram Command Agent
Mobile control plane — send commands via Telegram, Claude executes on VPS, response back via bot message.
Marketing & Growth Skills
Full-stack growth marketing — from strategy and paid acquisition through to attribution, creative, and outbound.
Business Automation
40+ production N8N workflows covering lead generation, CRM pipelines, AI content, monitoring, and operations.
Missed Call Recovery
GHL integration: missed call triggers instant SMS follow-up, booking link, calendar confirmation, and CRM pipeline update. Fully automated.
Lead Pipeline Automation
Lead capture, scoring, tagging, assignment, and multi-step follow-up sequences. Automated nurture from first touch to booked appointment.
Cold Email Engine
Scalable outreach system: list building, sequence management, unsubscribe handling, sender reputation management. 4,000 emails/month capacity.
AI Content Pipeline
Webhook → LangGraph → Claude Sonnet → Draft → N8N → Approval notification → Publish. End-to-end AI content with human approval gate.
Smart Briefings
Daily automated briefing: calendar events, tasks, weather, news — delivered to Slack and Telegram every morning at 7am.
Infrastructure Monitoring
VPS health checks every 12 hours, N8N error monitoring every hour, automated backups, log rotation, and Docker cleanup.
CRM & Sales Systems
Complete GoHighLevel agency setup — from lead capture to review request automation.
Content Pipeline Tool
Custom web application managing 56+ content ideas across 10 platforms — from ideation to AI-generated drafts.
Idea Browser
Filter and search content cards by platform, status, tags, type. Inline card creation with full metadata. Connected to keyword research via Google Sheets.
Command Builder
Select a card, configure parameters, and generate structured AI prompts for content generation. Includes raw notes injection and weekly review context.
Scheduled Automation Engine
22 cron jobs running autonomously — monitoring, briefings, backups, AI self-improvement, and market intelligence.
Technical Capabilities
Tools & Dashboards I've Built
Production tools, dashboards, and calculators I've built and run — the demos auto-play; hover any card to pause.
Claude Code Skills I've Built
50+ custom Claude Code skills I've written to run my own business end-to-end — content, sales, client delivery, personal ops, and intelligence. A sample of the library below.
Content & Publishing
Sales & Client Delivery
Personal Ops & Life-OS
Intelligence & Research
Infrastructure & Growth
Results & Performance
Real outcomes from live systems — client work and personal infrastructure.
What I Build for Businesses
DFY GHL Automation
Done-for-you GoHighLevel setup: missed-call text-back, lead pipeline, booking automation, and review generation — for any business that runs on leads, bookings, and repeat customers.
AI Agent Development
Custom Claude/LangGraph agents, voice agents, and chatbots. Built to specification and deployed on your infrastructure or managed VPS.
Content Systems
Multi-platform content pipeline with competitor tracking, analytics dashboards, and AI script generation. Instagram, YouTube, LinkedIn — one system.
Growth Marketing
Google Ads, Meta Ads, SEO, local SEO/GBP, and CRO. Full campaign build and management with attribution setup and reporting.
Data & Intelligence
Custom dashboards, multi-source attribution, weekly intelligence briefings, and AI-powered business insights from your existing data.
Custom Software
Next.js web applications, Vercel deployments, Supabase backends, and full API integrations. From prototype to production.
Frequently Asked Questions
Common questions about working together, timelines, and what to expect.
A growth or marketing operator seat at a startup — head of growth, growth lead, or performance marketing. I run the full stack: paid, SEO, CRO, lifecycle, and the automation underneath. Open to full-time, fractional, or contract-to-hire.
Yes — remote, full-time. I’m based in Asia (GMT+7) and work comfortably across US and EU hours. Fractional and contract-to-hire also work well.
The combination. I drive real performance — six-figure ad spend to profit, an e-commerce store past $100K/month — and I build the systems that hold growth: CRM, lifecycle, AI agents, and the infrastructure underneath. Most operators do one or the other; I do both.
Almost certainly. I run GoHighLevel, Next.js / Vercel, Supabase, N8N, Claude / LangGraph, GA4 / GTM, and the major ad platforms daily — and I pick up new tools fast. The systems on this page were all built end-to-end by me.
The case studies live on my Results page, every tool and system here has a live demo I can walk you through, and I’ll share references on request.
Book a 15-minute call or email me — a quick chat about the role and whether it’s a fit. No pitch, no pressure.
Built on Claude — how I operate
I run my whole operation through Claude Code — 2.67 billion tokens in 90 days on a flat Max plan, across ~368 custom skills, ~160 subagents, and 20+ cloud routines. This is the engine behind everything above. (Click any image to zoom.)
Let's Build Something
Most consultants teach AI tools. I build complete business systems.
Want to see any of these systems live? I can walk you through demos of the infrastructure, automations, and tools listed above.