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.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.3k
Billed in all: $64,728$65k
$1.1k in the last 6 months
Across 24 contracts
Earnings, last 30 days
Skill rankings: Top 16% in Android
Ranked by MRR among everyone on Upwork with the skill.
- #18iPhone95 freelancers · 🇮🇳 #10Top 19%🇮🇳#10 of 38
- #19Payment Integration Framework62 freelancers · 🇮🇳 #5Top 31%🇮🇳#5 of 13
- #47User Profile Creation213 freelancers · 🇮🇳 #19Top 22%🇮🇳#19 of 59
- #86Flutter Stack470 freelancers · 🇮🇳 #27Top 18%🇮🇳#27 of 171
- #193In-App Purchases1,101 freelancers · 🇮🇳 #59Top 18%🇮🇳#59 of 336
- #245Smartphone995 freelancers · 🇮🇳 #71Top 25%🇮🇳#71 of 246
- #561App Development2,592 freelancers · 🇮🇳 #141Top 22%🇮🇳#141 of 634
- #654Mobile App3,535 freelancers · 🇮🇳 #176Top 19%🇮🇳#176 of 949