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Hasan A.
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Hasan A.

AI App developer | Flutter/React Native/Node.js/Python/SaaS Web/RAG

If you’re here, you’re probably looking for someone who can build a reliable mobile app, improve an existing one, or take an idea and turn it into a scalable SaaS web app or Admin panel sing React.jsNext.js , Node,js, Python (Django, Flask), Fast API. That’s exactly what I do. I’m a Full Stack Mobile & Web App Developer with 15+ years of experience in Mobile App Development, and for the last several years I have been working Flutter-first building high-performance iOS and Android apps backed by solid MERN Stack, Python systems. 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 𝗮𝗿𝗲 𝗺𝘆 𝗰𝗼𝗿𝗲 𝘀𝘁𝗿𝗲𝗻𝗴𝘁𝗵 Most of my work revolves around Flutter, React Native, Kotlin, Swift Mobile App Development creating cross-platform, hybrid mobile apps that feel fast, smooth, and native on both Android and iOS. 𝗜 𝗵𝗲𝗹𝗽 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵: 1-Flutter & Flutter Stack development 2-Android App & iOS App development 3-Hybrid App Development 4-AI Mobile App Development 5-Mobile Wallets & payment-enabled apps 6-Mobile App Localization 7-Mobile App Improvement & performance optimization 8-Mobile App Strategy & development consultation Whether you’re launching a new app or fixing an existing one, I focus on clean architecture, smooth UI, and long-term scalability. 🌐 𝗪𝗵𝗲𝗻 𝗺𝗼𝗯𝗶𝗹𝗲 𝗻𝗲𝗲𝗱𝘀 𝗮 𝗯𝗮𝗰𝗸𝗲𝗻𝗱 (𝗼𝗿 𝗮 𝗳𝘂𝗹𝗹 𝗦𝗮𝗮𝗦) Most apps don’t live on the phone alone, they need admin panels, dashboards, APIs, and web platforms. That’s where my MERN Stack, Python, Fast API experience comes in. 𝗜 𝗿𝗲𝗴𝘂𝗹𝗮𝗿𝗹𝘆 𝗯𝘂𝗶𝗹𝗱: 1-MERN Stack admin panels 2-MERN Stack SaaS products 3-Python, FastAPI SaaS products 4-SaaS web applications 5-Secure REST APIs & authentication 6-Subscription systems and Stripe integrations This means you don’t need to juggle multiple freelancers ;mobile app, backend, and web dashboard are all covered. 🤝𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸 (𝗮𝗻𝗱 𝘄𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝘁𝗶𝗰𝗸 𝗮𝗿𝗼𝘂𝗻𝗱) 1-I don’t jump straight into coding. I first understand: 2-what you’re building, 3-who it’s for, 4-and how it needs to scale. 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝘂𝘀𝘂𝗮𝗹𝗹𝘆 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲 𝗯𝗲𝗰𝗮𝘂𝘀𝗲 𝗜 𝗯𝗿𝗶𝗻𝗴: ✔ Clear communication ✔ Strong mobile app architecture ✔ Real-world product experience ✔ Honest technical guidance (not over-engineering) I treat your project like a product, not just a task. 𝗟𝗲𝘁’𝘀 𝘁𝗮𝗹𝗸 𝗮𝗯𝗼𝘂𝘁 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 If you’re looking for a Flutter/React Native developer, mobile app developer, or full stack MERN, Python, FastAPI developer who can help you build, improve, or scale your app , I will be happy to discuss your idea.

🇵🇰Lahore, Pakistan$27/hr100% JSS4.35 (72)Since Jul 2016

Earnings and projects

MRR
$4.7k

Last 6 months ÷ 6

World#6,133 / 412k
🇵🇰Country#623 / 52.9k
Revenue, last 30 days
$0

Last 6 months: $28k

Total earnings
$204k

Billed in all: $210k

World#14,890 / 412k
🇵🇰Country#1,069 / 52.9k
Per project
$2.3k

$7k in the last 6 months

World#68,208 / 412k
🇵🇰Country#5,017 / 52.9k
Projects, last 6 months
4
25% fixed75% hourly
World#51,813 / 412k
🇵🇰Country#10,787 / 52.9k
Projects in all
87

Across 108 contracts

60% fixed40% hourly
World#33,169 / 412k
🇵🇰Country#4,986 / 52.9k

Earnings, last 30 days

$210kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$207.5k$210.0k$212.5k$215.0kOct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 14

Rarest: top 1% in Flutter Stack, of 470. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Mobile Wallet18 freelancers · 🇵🇰 #1Top 6%
  2. 2Mobile App Strategy137 freelancers · 🇵🇰 #1Top 1%
  3. #5Flutter Stack470 freelancers · 🇵🇰 #2Top 1%
  4. #6Mobile App Localization436 freelancers · 🇵🇰 #1Top 1%
  5. #10Android App776 freelancers · 🇵🇰 #4Top 1%
  6. #12Mobile App Improvement281 freelancers · 🇵🇰 #4Top 4%
  7. #14Mobile App Development Consultation334 freelancers · 🇵🇰 #5Top 4%
  8. #19FlutterFlow834 freelancers · 🇵🇰 #9Top 2%