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Hussain H.
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Hussain H.

Senior Flutter Developer | iOS & Android Apps | Firebase

Senior Flutter developer and Mobile Team Lead based in Karachi, Pakistan. In 6+ years I've shipped 50+ iOS and Android apps, used by 200,000+ people, for startups, agencies and enterprises. What I can do for you: • Build your Flutter app from idea or Figma to the App Store and Google Play • Firebase backends, REST APIs, payments, push notifications and third-party SDKs • AI features with Claude, OpenAI and ML Kit • Fix, speed up or take over an existing Flutter codebase • CI/CD with Codemagic, plus App Store and Play Store submission Background: • Mobile Team Lead at Tournated, a sports tournament platform: Flutter architecture, code reviews and mentoring • Built fintech apps for the State Bank of Pakistan, the country's central bank • Two years building ecommerce apps from scratch at Chikoo · Brandverse • BS Computer Science, and a Master's in Data Science in progress at NED University How I work: clean architecture with BLoC or Riverpod, weekly demos, clear written updates and honest estimates. I also write Flutter articles on Medium and mentor newer developers. Tell me what you're building and I'll tell you how I'd approach it.

🇵🇰Karachi, Pakistan$20/hr100% JSS5.00 (3)Since Jun 2018

Earnings and projects

MRR
$1.8k

Last 6 months ÷ 6

World#25,380 / 412k
🇵🇰Country#2,893 / 52.9k
Revenue, last 30 days
$1.9k

Last 6 months: $11k

World#23,254 / 412k
🇵🇰Country#2,642 / 52.9k
Total earnings
$41k

Billed in all: $41k

World#88,753 / 412k
🇵🇰Country#7,849 / 52.9k
Per project
$5.9k

$5.5k in the last 6 months

World#29,506 / 412k
🇵🇰Country#1,597 / 52.9k
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇵🇰Country#17,051 / 52.9k
Projects in all
7
86% fixed14% hourly
World#236,188 / 412k
🇵🇰Country#38,061 / 52.9k

Earnings, last 30 days

$41.1k+$1.9k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$39k$40k$41k$42kOct 8Oct 23Nov 7

Skill rankings: Top 5% in App Store Optimization

Ranked by MRR among everyone on Upwork with the skill.

  1. #19App Store Optimization388 freelancers · 🇵🇰 #3Top 5%
  2. #32Flutter Stack470 freelancers · 🇵🇰 #7Top 7%
  3. #44LLM API Integration359 freelancers · 🇵🇰 #13Top 12%
  4. #139Claude Code818 freelancers · 🇵🇰 #30Top 17%
  5. #147Dart2,324 freelancers · 🇵🇰 #34Top 6%
  6. #293Google Cloud Platform2,939 freelancers · 🇵🇰 #40Top 10%
  7. #521Android App Development6,395 freelancers · 🇵🇰 #112Top 8%
  8. #528Firebase6,978 freelancers · 🇵🇰 #119Top 8%