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Hardeep S.
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Hardeep S.

Mobile App Developer | React Native | iOS & Android | AI Integration

I’m a Top-Rated Plus Full Stack Web & Mobile App Developer with 10+ years of experience building scalable web applications, mobile apps, SaaS platforms, MVPs, marketplaces, and AI-powered products. I specialize in Flutter, React Native, iOS (Swift), Android (Kotlin), React.js, Next.js, Node.js, NestJS, Laravel, PHP, Firebase, and AI integrations. Whether you’re launching a new MVP, building a SaaS product, developing a mobile app, or scaling an existing platform, I can handle the complete development lifecycle — from architecture and development to testing, deployment, and ongoing maintenance. 🚀 What I Can Build 📱 Flutter, iOS & Android Mobile Applications 🌐 Full Stack Web Applications 🤖 AI-Powered Web & Mobile Applications 🚀 MVP & SaaS Application Development 🛒 E-commerce & Marketplace Platforms 💳 Payment & Subscription Systems 💬 Real-Time Chat & Social Applications 📍 On-Demand, Booking & Delivery Platforms 🎥 Video Streaming & Live Streaming Applications 📊 Admin Panels & Business Dashboards 🔗 REST APIs & Third-Party Integrations ⚙️ Automation & AI-Powered Workflows 🤖 AI Development & Integrations I help businesses integrate AI into their products to create smarter, faster, and more automated experiences. OpenAI / GPT APIs Claude AI LLM Integrations AI Chatbots & Virtual Assistants AI Recommendation Systems AI Content Generation AI-powered SaaS Applications AI Automation & Workflows 🛠️ Technology Stack OpenAI / GPT APIs Claude AI LLM Integrations AI Chatbots & Virtual Assistants AI Recommendation Systems AI Content Generation AI-powered SaaS Applications AI Automation & Workflows 🛠️ Technology Stack Mobile: Flutter, Dart, React Native, Swift, Kotlin, Java Frontend: React.js, Next.js, Angular, HTML5, CSS3 Backend: Node.js, NestJS, Express.js, Laravel, PHP Database: MySQL, MongoDB, Firebase, DynamoDB Cloud & APIs: AWS, Lambda, API Gateway, REST APIs Real-Time: Socket , Web Sockets, Firebase Realtime Database, Twilio Payments: Stripe, PayPal, Razorpay, Braintree Maps & Location: Google Maps, Apple MapKit, GPS Tracking AI: OpenAI, GPT, Claude, LLM APIs 🏆 Why Clients Choose Me 🏆 Top-Rated Plus Upwork Freelancer ⏱️ 2,900+ Upwork hours successfully completed ⭐ 21+ projects successfully delivered on Upwork 💻 10+ years of Full Stack Web & Mobile App Development experience 📱 Expertise in Flutter, iOS, Android, React Native & Full Stack Development 🚀 Scalable, secure & high-performance application architecture 🔄 Agile & Scrum development with structured project management 🚀 Complete App Store & Google Play Store deployment 🔧 3 months of free post-launch maintenance 🔐 Full client ownership & IP rights from day one 🤝 Clear communication, regular updates & long-term support 📱 Mobile App Development Expertise I have experience designing and developing a wide range of iOS, Android, Flutter, and cross-platform mobile applications, including: 🍔 Food Delivery & Restaurant Apps 🚗 Ride-Hailing & Taxi Booking Apps 🏠 Real Estate & Property Listing Apps 📱 Social Media & Community Apps 💰 FinTech, Startup & Investment Apps 🧘 Wellness, Healthcare & Lifestyle Apps 💪 Fitness & Nutrition Apps 🏆 Sports & Fitness Apps 🛒 E-commerce & Marketplace Apps 📚 Language Learning & Education Apps 🎟️ Event Management & Ticket Booking Apps 🛍️ Grocery & Meal Planning Apps 💼 Freelance & Job Marketplace Apps 🔧 Service Booking & Home Services Apps 📦 Inventory & Stock Management Apps 🎓 Learning Management System (LMS) Apps 📅 Appointment & Scheduling Apps 🏟️ Venue & Facility Booking Apps ✅ Task, Project & Productivity Apps ⚡ Custom On-Demand Mobile Applications From idea → MVP → production → scaling, I can help you build and launch your product with the right technology and architecture. 👉 Let’s schedule a FREE 15–30 minute consultation to discuss your requirements, technical approach, timeline, and next steps.

🇮🇳Mohali, India$20/hr100% JSS4.96 (16)Since Nov 2018

Earnings and projects

MRR
$542

Last 6 months ÷ 6

World#74,650 / 412k
🇮🇳Country#7,960 / 45.9k
Revenue, last 30 days
$657

Last 6 months: $3.3k

World#55,588 / 412k
🇮🇳Country#5,865 / 45.9k
Total earnings
$61k

Billed in all: $65k

World#63,892 / 412k
🇮🇳Country#9,793 / 45.9k
Per project
$2.9k

$1.1k in the last 6 months

World#56,853 / 412k
🇮🇳Country#6,673 / 45.9k
Projects, last 6 months
3
33% fixed67% hourly
World#66,479 / 412k
🇮🇳Country#7,740 / 45.9k
Projects in all
21

Across 24 contracts

50% fixed50% hourly
World#128,797 / 412k
🇮🇳Country#18,642 / 45.9k

Earnings, last 30 days

$64.7k+$657 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$64.0k$64.5k$65.0kOct 8Oct 23Nov 7

Skill rankings: Top 16% in Android

Ranked by MRR among everyone on Upwork with the skill.

  1. #18iPhone95 freelancers · 🇮🇳 #10Top 19%
  2. #19Payment Integration Framework62 freelancers · 🇮🇳 #5Top 31%
  3. #47User Profile Creation213 freelancers · 🇮🇳 #19Top 22%
  4. #86Flutter Stack470 freelancers · 🇮🇳 #27Top 18%
  5. #193In-App Purchases1,101 freelancers · 🇮🇳 #59Top 18%
  6. #245Smartphone995 freelancers · 🇮🇳 #71Top 25%
  7. #561App Development2,592 freelancers · 🇮🇳 #141Top 22%
  8. #654Mobile App3,535 freelancers · 🇮🇳 #176Top 19%