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Sam J.
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Sam J.

App Designer & AI Engineer | AI Prototypes to Finished Apps

I turned a client's AI built prototype into a live app in six weeks. It's now grown to over 550 screens, with real users. That's what I do. You've built something with Lovable, Bolt, Claude or ChatGPT, it proved the idea, and then it got stuck. It breaks when you change things, it doesn't look like a real product, and it isn't ready for paying customers. I turn it into one. What I do: • Design and build the finished app, ready for the web now and the App Store and Google Play later • Give it a proper brand and design system, so it looks and feels premium • Add the AI features and automations that make it useful • Build the back end it needs: accounts, data and payments Recent work: • Money From The Inside Out: a personal finance app taken from the client's own AI prototype to launch in six weeks, now 185 pages and over 550 screens, with a full brand and design system • A live Champions League sweepstake app for over 100 players, saving the organiser around 60 hours across the season You work with one person from start to finish. I design every screen and build it myself, using AI, which is how one person covers design, build and AI to a finished standard. I'm based in Manchester, UK, with native English, and my working day covers the UK and European day and the US morning. Send me a link to what you've built, and I'll record you a short video of what I'd do first.

🇬🇧Manchester, United Kingdom$44/hr100% JSS5.00 (2)Since Sep 2021

Earnings and projects

MRR
$3.1k

Last 6 months ÷ 2.3 months active (since Aug 2026)

World#11,857 / 412k
🇬🇧Country#284 / 10.7k
Revenue, last 30 days
$3.8k

Last 6 months: $7.3k

World#8,879 / 412k
🇬🇧Country#208 / 10.7k
Total earnings
$7.4k

Billed in all: $7.8k

World#221,958 / 412k
🇬🇧Country#5,437 / 10.7k
Per project
$2.5k

$2.4k in the last 6 months

World#65,756 / 412k
🇬🇧Country#1,288 / 10.7k
Projects, last 6 months
3
0% fixed100% hourly
World#66,479 / 412k
🇬🇧Country#1,491 / 10.7k
Projects in all
3
0% fixed100% hourly
World#304,140 / 412k
🇬🇧Country#8,252 / 10.7k

Earnings, last 30 days

$7.8k+$3.8k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2k$4k$6k$8kOct 8Oct 23Nov 7

Skill rankings: Top 3% in Web Scraping

Ranked by MRR among everyone on Upwork with the skill.

  1. #101Web Scraping3,925 freelancers · 🇬🇧 #2Top 3%
  2. #125ETL Pipeline1,396 freelancers · 🇬🇧 #9Top 9%
  3. #131Data Extraction5,086 freelancers · 🇬🇧 #4Top 3%
  4. #220Large Language Model2,726 freelancers · 🇬🇧 #12Top 8%
  5. #293Retrieval Augmented Generation3,618 freelancers · 🇬🇧 #10Top 8%
  6. #408Claude5,112 freelancers · 🇬🇧 #15Top 8%
  7. #460Web Application9,341 freelancers · 🇬🇧 #5Top 5%
  8. #617Automation12,739 freelancers · 🇬🇧 #16Top 5%