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Marc S.
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Marc S.

Web Developer | GHL Expert | Funnels | CRM | AI Automations

The last GoHighLevel & AI Revenue Infrastructure Expert that you’ll ever need! A Certified Admin & Automation Engineer with over 5 years of experience, I have built full revenue infrastructure and automation software across 15+ niches. I specialize in designing high-converting funnels, AI sales systems, custom CRM operating systems, and intelligent automation platforms that generate, qualify, and close revenue automatically. Whether you are looking to deploy AI agents, build custom apps, scale acquisition, or create a complete operating system for your business, my skills are a one stop shop. I have helped businesses streamline operations, increase conversions, improve retention, and build scalable infrastructure that drives predictable growth. I can guarantee if you work with me, you will not want to work with anyone else again. So let’s not waste any time and start building a custom solution tailored to your goals. ✅ Creating funnels, building and designing custom landing pages & qualification funnels ✅ Automating processes through complex workflows, trigger messaging & conditional logic ✅ Email marketing, SMS automation, cold outreach & multi-channel campaigns ✅ AI Voice Systems (outbound dialers, inbound receptionists, appointment setters) ✅ Live transfer routing, call QA scoring, conversation memory & dialing logic ✅ AI SMS agents, lead nurturing bots, objection handling & re-engagement automation ✅ CRM pipeline architecture, lifecycle mapping & opportunity scoring ✅ Tagging, segmentation logic & multi-team permissions ✅ Custom dashboards, reporting & embedded analytics inside CRM ✅ AI booking automation, smart calendar routing & auto-rescheduling ✅ External webhook orchestration & API integrations ✅ Native CRM extensions, embedded pipeline tools & external frontends ✅ Custom AI web apps, SaaS platforms & white-label solutions ✅ Client portals, membership systems, affiliate dashboards & reporting portals ✅ Sales command centers, automation dashboards & knowledge base systems ✅ SOP-trained AI assistants & internal operations apps ✅ Financial intelligence tools, forecasting dashboards & P&L analytics ✅ Customer support AI (chat, SMS, voice) & escalation workflows ✅ Retention automation, lifecycle messaging, upsells & win-back campaigns ✅ Lead scraping, enrichment & AI follow-up sequences ✅ Conversion tracking, attribution & funnel optimization systems ✅ Sales analytics, revenue tracking & KPI reporting dashboards ✅ ERP, payment processor & inventory integrations ✅ Data warehouse pipelines & backend automation infrastructure ✅ Zapier, Make, n8n orchestration & webhook routing ✅ Redis session handling, cloud deployment & real-time voice infrastructure ✅ Secure API architecture & system integrations ✅ White-label AI dialers & industry automation stacks ✅ Revenue system architecture & automation strategy ✅ AI workflow design, tech stack consolidation & scaling roadmaps ✅ AI data enrichment, normalization & smart tagging systems ✅ Compliance systems (A2P, consent logic, confidence gating) ✅ Conversion optimization, AI script testing & automated A/B flows Feel free to reach out whether you’re a small, medium, or large business. I can’t wait to help you build smarter systems and scale faster. Regards, Marc S.

🇺🇸Deerfield Beach, United States$30/hr100% JSS5.00 (1)Since Feb 2026
GlobeUpwork

Earnings and projects

MRR
$1.6k

Last 6 months ÷ 6

World#28,826 / 412k
🇺🇸Country#5,787 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $9.9k

Total earnings
$11k

Billed in all: $11k

World#186,893 / 412k
🇺🇸Country#30,048 / 62.1k
Per project
$1.6k

$1.6k in the last 6 months

World#90,736 / 412k
🇺🇸Country#15,322 / 62.1k
Projects, last 6 months
6
83% fixed17% hourly
World#34,405 / 412k
🇺🇸Country#4,906 / 62.1k
Projects in all
7
71% fixed29% hourly
World#236,188 / 412k
🇺🇸Country#33,699 / 62.1k

Earnings, last 30 days

$11.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$11.0k$11.2k$11.4k$11.6kOct 8Oct 23Nov 7

Skill rankings: Top 7% in GitHub

Ranked by MRR among everyone on Upwork with the skill.

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  2. #59Three.js703 freelancers · 🇺🇸 #6Top 8%
  3. #66Cloudflare636 freelancers · 🇺🇸 #6Top 10%
  4. #210GitHub2,823 freelancers · 🇺🇸 #22Top 7%
  5. #252MERN Stack3,086 freelancers · 🇺🇸 #21Top 8%
  6. #271App Development2,592 freelancers · 🇺🇸 #55Top 10%
  7. #478HighLevel5,168 freelancers · 🇺🇸 #69Top 9%
  8. #497REST API5,062 freelancers · 🇺🇸 #51Top 10%