Marc S.
AI App Developer & Coach | Famous.AI, Claude Code, Supabase, GHL
I help people build, finish and launch AI-powered apps, and I've been building online since February 1994. That combination is rarer than it sounds: 32 years of shipping real products for real businesses, plus a daily working practice in the tools that changed everything in the last two years. What I do now: BUILD. Full-stack web and mobile apps with Claude Code, React/TypeScript, Supabase (PostgreSQL, RLS, Edge Functions), Stripe and OpenAI/Anthropic APIs. Web apps, PWAs and native iOS/Android conversions through App Store and Google Play approval. FINISH. Through AppCPR I rescue apps that were started with Famous.AI, Lovable, Bolt, Replit or Base44 and got stuck near the finish line: security reviews, RLS and auth fixes, Stripe webhooks, deployment, and the last 20% nobody warned you about. COACH. I'm a Famous.AI Authorized Trainer and one of their top consultants, and I coach founders and small teams through building their own AI apps, Done With You or Done For You. I spend most of my week translating between non-technical founders and their code, so I'm comfortable explaining exactly what's wrong and what to do about it in language you can act on. AUTOMATE. 16+ years as an Infusionsoft/Keap Certified Partner (their top worldwide sales partner three years running) and now GoHighLevel: subaccounts, funnels, pipelines, calendars, email/SMS campaigns and deliverability. Some history, since it matters: first online store in 1997, 700+ websites built, a 20-person web company by age 22, 26+ years of ecommerce, Shopify Partner, Stripe (subscriptions, checkout, Connect), and a long list of platforms I've outgrown but still understand. How I work: I build inside your GitHub and Supabase accounts so you own everything from day one, I run every project on a shared Trello board so you always know where things stand, and I halve the hour estimates you're used to because I build with AI properly rather than talk about it. If you started something and got stuck, or you're about to start and want to do it right, send me a message with what you're building.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $396
Billed in all: $22,409$22k
$396 in the last 6 months
Across 11 contracts
Earnings, last 30 days
Skill rankings: Top 29% in Keap Marketing
Ranked by MRR among everyone on Upwork with the skill.
- #47Keap Marketing162 freelancers · 🇺🇸 #13Top 29%🇺🇸#13 of 47
- #84Web Application Security246 freelancers · 🇺🇸 #9Top 34%🇺🇸#9 of 25
- #105Keap253 freelancers · 🇺🇸 #25Top 42%🇺🇸#25 of 65
- #428Claude Code818 freelancers · 🇺🇸 #34Top 52%🇺🇸#34 of 70
- #1,286Slack3,033 freelancers · 🇺🇸 #109Top 42%🇺🇸#109 of 345
- #1,449Stripe3,151 freelancers · 🇺🇸 #143Top 46%🇺🇸#143 of 272
- #2,097Supabase4,116 freelancers · 🇺🇸 #170Top 51%🇺🇸#170 of 289
- #2,323AI App Development4,708 freelancers · 🇺🇸 #233Top 49%🇺🇸#233 of 431