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Huzaifa B.
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Huzaifa B.

Chrome Extension Developer for SaaS, AI Assisted fast development

I build Chrome extensions for SaaS companies, from architecture to Chrome Web Store approval, and I use AI-assisted development to get you there faster. Most web developers aren’t familiar with the WebExtension API, Manifest V3, or cross-browser quirks. I’ve spent 8+ years and 100+ projects getting this right. AI coding tools speed up my build cycle, but every line is reviewed against what actually passes Chrome Web Store review: correct permissions, service worker patterns, and content script isolation. The result is that you get a production-ready extension in weeks instead of months, with no outdated Manifest V2 code and no review rejections. What I work on: • SaaS product extensions (your extension as a core product feature) • AI-integrated extensions (OpenAI, Claude, and others) • Integrations with HubSpot, Salesforce, and your own backend APIs • Cross-browser builds (Chrome, Edge, Firefox, Safari) • Chrome Web Store submission and review support What you get from working with me: • Faster delivery: an AI-accelerated workflow means shorter timelines and quicker iterations • Senior-level engineering: architecture and code review by a specialist, not a prompt • Fixed-price scopes and 30 days of post-launch support I’m based in Lahore, Pakistan (GMT+5) with fully flexible hours, and I regularly overlap with US, EU, and Gulf-based teams. If you have an extension idea and aren’t sure where to start, message me. I’ll tell you honestly what it takes to build it right and how fast we can ship it.

🇵🇰Lahore, Pakistan$35/hr100% JSS4.99 (24)Since Oct 2016

Earnings and projects

MRR
$208

Last 6 months ÷ 6

World#112,017 / 412k
🇵🇰Country#15,169 / 52.9k
Revenue, last 30 days
$0

Last 6 months: $1.2k

Total earnings
$56k

Billed in all: $58k

World#69,686 / 412k
🇵🇰Country#5,836 / 52.9k
Per project
$1.3k

$312 in the last 6 months

World#105,166 / 412k
🇵🇰Country#8,970 / 52.9k
Projects, last 6 months
4
50% fixed50% hourly
World#51,813 / 412k
🇵🇰Country#10,787 / 52.9k
Projects in all
43

Across 52 contracts

60% fixed40% hourly
World#70,811 / 412k
🇵🇰Country#11,242 / 52.9k

Earnings, last 30 days

$57.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$56k$57k$58k$59kOct 8Oct 23Nov 7

Skill rankings: Top 20% in Vue.js

Ranked by MRR among everyone on Upwork with the skill.

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  2. #51Browser Extension203 freelancers · 🇵🇰 #8Top 25%
  3. #144Browser Automation444 freelancers · 🇵🇰 #39Top 32%
  4. #159Google Chrome Extension660 freelancers · 🇵🇰 #33Top 24%
  5. #978AI Implementation2,382 freelancers · 🇵🇰 #178Top 41%
  6. #1,572REST API5,062 freelancers · 🇵🇰 #416Top 31%
  7. #1,574Tailwind CSS6,978 freelancers · 🇵🇰 #307Top 23%
  8. #1,689Vue.js8,267 freelancers · 🇵🇰 #250Top 20%