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James F.

James F.

Senior Full-Stack Developer, Umbraco, Blazor & AI-Assisted Development

If you're looking to hire a freelance full-stack developer to build or upgrade a web or mobile application, or looking to add a new member to join your growing team, let's connect. Specializing in full-stack application development since 2013, I have been responsible for every stage of a program's lifecycle. From complex, data-driven applications utilizing TSql and Web APIs to custom and creative tools built upon Umbraco CMS, I thrive on analytical programming challenges and learning new technologies including Blazor Hybrid, Unity 3D, and even AI integration. And 'YES', I also do Umbraco upgrades from Umbraco 4 to Umbraco 17. What sets me apart today is not just my 13+ years of development experience — it's how I've embraced AI as a collaborative development partner. Using Claude AI as my primary tool, I've measurably accelerated project delivery without sacrificing quality or control. A prime example: the Underground Prepper app took 11 months to build as a web-based platform, then was completely rebuilt as a richer, multi-platform native app in just 4 months — working side-by-side with AI, piece by piece, testing each component as we went. In short: I literally dream in code.

🇺🇸New Boston-Morea, United States$60/hr100% JSS5.00 (7)Since Jun 2019

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#50,387 / 412k
🇺🇸Country#9,807 / 62.1k
Revenue, last 30 days
$0
Total earnings
$79k

Billed in all: $83k

World#50,387 / 412k
🇺🇸Country#9,807 / 62.1k
Per project
$7.2k
Projects, last 6 months
0
World#209,850 / 412k
🇺🇸Country#27,405 / 62.1k
Projects in all
11

Across 12 contracts

17% fixed83% hourly
World#192,417 / 412k
🇺🇸Country#27,474 / 62.1k

Earnings, last 30 days

$82.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$81k$82k$83k$84kOct 8Oct 23Nov 7

Skills