Harish K.
Full Stack Web & Mobile App Developer|Flutter, iOS, Android,AI|React
I am Working as a Project Manager with expertise in Web Development, iOS & Android App that help the team in delivering the project successfully by maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Freelancer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin), PHP, Node.js, Angular, React.js and Full-Stack Application Development. I build AI-powered Web Applications, mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. ✅ I Can Help You With: - Mobile App Development with Web Admin Panel - MVP Development & SaaS Application Development - API Development & Third-Party Integrations - Node.js / NestJS Backend for Mobile & Web Apps - Laravel / PHP Backend Development - Firebase Integration (Auth, Firestore, Cloud Functions) - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Real-Time Chat, Notifications & WebSocket Integration 💡 Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - Dating Applications - Live Streaming & Video Sharing Platforms - E-Learning & EdTech Applications - E-Commerce & Marketplace Apps - On-Demand Service Apps (Taxi, Food, Delivery, Booking) - Chat & Social Networking Apps - SaaS & Subscription-Based Platforms - Gamified Mobile Applications - AR/VR Mobile App Development - IoT & BLE-Based Mobile Applications 🎯Key Milestones: 🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%) 🚀 7000+ personal hours on Upwork and still counting 🚀 100000+ agency hours on Upwork and still counting 🚀 100% Job Success (Client Satisfaction Ratio) 🚀 500+ jobs completed successfully as an Agency 🎯 Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development ✅ Food delivery app ✅ Ride booking app (like Uber) ✅ Real estate listing app (Like Airbnb) ✅ Social media mobile app (like TikTok/Instagram) ✅ Startups/Investment management mobile app ✅ Wellness mobile app ✅ Fitness and Nutrition mobile app (like CalAI, MyFitnessPal) ✅ Sports mobile app ✅ E-commerce mobile app ✅ Language Learning Mobile App (Like Duolingo) ✅ Event management mobile app ✅ Grocery/Meal Planning mobile app ✅ Freelance mobile app ✅ Service Booking Mobile App (Home/HVAC) ✅ Inventory Management Mobile App ✅ Learning Management Mobile App ✅ Appointment Booking Mobile App (Salon/Doctor) ✅ Venue Booking Mobile App (Sports/Events) ✅ Task Management Mobile App (Project Management/To-Do) ✅ On-Demand Custom Mobile Apps 🎯 Areas of Expertise ◉ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack ◉ Cross-Platform App Development: Flutter (Dart), React Native ◉ Backend Development: Node JS, Nest JS, Laravel, PHP, Express ◉ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 ◉ API Development & Integrations: REST APIs, AWS Lambda, API Gateway ◉ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB ◉ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio ◉ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree ◉ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking ◉ Version Control & Collaboration: GitHub, Bitbucket, GitLab I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. 🔹 What I Do - Full Stack Web & Mobile App Development - No-Code/Low-Code Development (Bubble, FlutterFlow, Webflow) - AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation) - SaaS Application Development (Subscription Models, Multi-Tenant Systems) - API Integration (Payment gateways, third-party services) - Dashboard & Admin Panel Development - Workflow Automation (Zapier, Make, AI Automation Systems)) - UI/UX Design (Figma) Highlighted Skills: Full Stack Developer | Expert Full Stack Developer | Full Stack Mobile App Developer | Full Stack AI Developer | Expert Full Stack Mobile App Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developer | App Developer | Mobile App Development Consultation | IT Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Hybrid App development | Mobile App Development Consultation | Flutter | Firebase | Dart | Flutter Dart | Flutter Firebase | iOS Development | Android App Development | Smartphone | User Authentication | In App Purchases | API Integration
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $51k
Billed in all: $539,217$539k
$1.6k in the last 6 months
Across 43 contracts
Across 365 contracts
Earnings, last 30 days
Skill rankings: Top 0.71% in Web Development
Top 1% in 11 of 20 skills, ranked by MRR among everyone on Upwork with the skill.
- iPhone95 freelancers · 🇮🇳 #1Top 2%🇮🇳#1 of 38
- #6User Profile Creation213 freelancers · 🇮🇳 #3Top 3%🇮🇳#3 of 59
- #11In-App Purchases1,101 freelancers · 🇮🇳 #3Top 1.00%🇮🇳#3 of 336
- #16Smartphone995 freelancers · 🇮🇳 #3Top 2%🇮🇳#3 of 246
- #22Payment Gateway Integration2,302 freelancers · 🇮🇳 #5Top 0.96%🇮🇳#5 of 972
- #33Mobile App3,535 freelancers · 🇮🇳 #5Top 0.93%🇮🇳#5 of 949
- #35App Development2,592 freelancers · 🇮🇳 #3Top 1%🇮🇳#3 of 634
- #38iOS3,908 freelancers · 🇮🇳 #7Top 0.97%🇮🇳#7 of 1,205