⭐ 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐢𝐎𝐒 & 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 | 𝐌𝐕𝐏 & 𝐒𝐭𝐚𝐫𝐭𝐮𝐩 𝐄𝐱𝐩𝐞𝐫𝐭 | 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐩𝐩𝐬 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 | 𝟓+ 𝐘𝐞𝐚𝐫𝐬 | 𝟑𝟎𝟎+ 𝐀𝐩𝐩𝐬 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 I help startups and businesses 𝐝𝐞𝐬𝐢𝐠𝐧, 𝐛𝐮𝐢𝐥𝐝, 𝐟𝐢𝐱, 𝐚𝐧𝐝 𝐬𝐜𝐚𝐥𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 that launch fast and grow smoothly. As a 𝐭𝐨𝐩-𝐫𝐚𝐭𝐞𝐝 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐑𝐞𝐚𝐜𝐭 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, and UI/UX designer, I specialize in building high performance Cross Platform Apps, websites, and SaaS-based web applications using Flutter/Dart and React, with various backend options like mysql/phpmyadmin, mongoDB, aws, firebase, supabase, appwrites, with using other techs like nodejs, javascript, php, laravel, python etc. I specialize in building AI-powered cross-platform mobile apps using Flutter/Dart with scalable backend systems (Firebase, Supabase, Node.js). You don’t just get an app you get a 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐫𝐞𝐚𝐝𝐲 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 designed for real users, fast growth, and long-term scalability. I turn bold ideas into native-like Flutter apps for iOS and Android, taking projects from first wireframe to final App Store release. 𝐌𝐲 𝐟𝐨𝐜𝐮𝐬 𝐚𝐫𝐞𝐚𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞: ◉ Flutter App Development ( Production-ready, scalable, high-performance) ◉ AI App Development (ChatGPT, OpenAI, Gemini, AI chatbots, automation features) ◉ SaaS App Development (Flutter Web + Mobile + Admin Panels) ◉ Full-stack mobile & web solutions that deliver measurable business results ◉ MVP Development for Startups (fast launch, future-ready architecture) 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 • 𝐑𝐞𝐚𝐜𝐭 • 𝐃𝐚𝐫𝐭 • 𝐉𝐚𝐯𝐚𝐬𝐜𝐫𝐢𝐩𝐭 • 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧 • 𝐍𝐨𝐝𝐞.𝐣𝐬 • 𝐅𝐢𝐠𝐦𝐚 • 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞 • 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 • 𝐎𝐩𝐞𝐧𝐀𝐈 • 𝐆𝐞𝐦𝐢𝐧𝐢 𝐖𝐡𝐲 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞: ◉ Proven results: 100 % Job Success, Top-Rated, 300 + completed projects ◉ Flutter-first workflow: UI/UX → Frontend → Backend → Testing → Launch ◉ Clean, reusable Flutter code: scalable, maintainable, and fast ◉ Experience across industries:Health, Finance, E-commerce, AI, On-Demand Services & SaaS ◉ Clear communication: fast replies, common-sense solutions, on-time delivery 𝐖𝐡𝐚𝐭 𝗬𝗼𝘂 𝗰𝗮𝗻 𝗴𝗲𝘁 ◉ Custom iOS & Android apps (Flutter) ◉ Flutter web apps & SaaS solutions ◉ MVP Development for Startups – Fast build, clean architecture, future-ready ◉ Node.js / RESTful APIs for Flutter apps ◉ UI/UX Design for Flutter apps (Figma & Adobe XD) ◉ Frontend builds with HTML, CSS, JavaScript for web or embedded views ◉ Full hand-off: source code, documentation, and post-launch support ◉ AI-powered Flutter apps & Chatbot integration ◉ Bug Fixing & App Rescue – Fix incomplete apps, refactor messy code ◉ App Optimization & Scaling – Improve speed, structure, and performance I work across the full product lifecycle from 𝐢𝐝𝐞𝐚 𝐯𝐚𝐥𝐢𝐝𝐚𝐭𝐢𝐨𝐧 → 𝐌𝐕𝐏 → 𝐬𝐜𝐚𝐥𝐢𝐧𝐠 → 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 𝐥𝐚𝐮𝐧𝐜𝐡 → 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐬𝐮𝐩𝐩𝐨𝐫𝐭. 𝐇𝐚𝐯𝐞 𝐚𝐧 𝐢𝐝𝐞𝐚 𝐟𝐨𝐫 𝐚 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩? Send a message or invite — I’m ready to build it. Flutter App Development • Dart Programming • Kotlin Android Development • Java Mobile Apps • Swift / SwiftUI iOS Development • Node.js Backend Development • Figma UI/UX Design • Adobe XD Prototyping • Flutter & Android App Developer – Cross-Platform Expert • Android and iOS developer • iphone app developer • SaaS App Development • AI App Development • OpenAI •Gemini

Have an app idea but not sure where to start? A few years ago, I was sitting exactly where many of my clients are today: trying to turn an idea into an app. After years of mistakes and learning to code, I ended up building SchooLinks, which grew into an Inc. 5000 business and raised over $10 million. Since then, I focus on designing and developing apps for founders and entrepreneurs with no technical background. People who have identified a problem that an app could solve, but they don't know how to build it. They have the vision, but they don't have the tech partner. And these are the results my clients have gotten: • $10M+ raised by clients • 2M+ users across products built • 10K+ five-star reviews across products built • Top 1% in App Design & Development on Upwork ---------------------------------------------- I offer a 𝗳𝗿𝗲𝗲 𝟯𝟬-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 to discuss and refine your idea, recommend the right tech stack, and forecast any ongoing costs as your user base grows, so you avoid surprises and make informed decision with clarity. ---------------------------------------------- Words from a recent client after working with us: (check more on my profile below) "Noman Razzaq 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙥𝙧𝙤𝙛𝙚𝙨𝙨𝙞𝙤𝙣𝙖𝙡 𝙖𝙣𝙙 𝙞𝙨 𝙖𝙡𝙬𝙖𝙮𝙨 10 𝙨𝙩𝙚𝙥𝙨 𝙖𝙝𝙚𝙖𝙙 𝙤𝙛 𝙠𝙣𝙤𝙬𝙞𝙣𝙜 𝙬𝙝𝙖𝙩 𝙩𝙝𝙚 𝙗𝙪𝙞𝙡𝙙 𝙣𝙚𝙚𝙙𝙨. 𝙒𝙚 𝙖𝙧𝙚 𝙘𝙤𝙣𝙩𝙞𝙣𝙪𝙞𝙣𝙜 𝙩𝙤 𝙬𝙤𝙧𝙠 𝙩𝙤𝙜𝙚𝙩𝙝𝙚𝙧 𝙖𝙣𝙙 𝙄 𝙝𝙖𝙫𝙚 𝙖𝙡𝙧𝙚𝙖𝙙𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙𝙚𝙙 𝙝𝙞𝙢 𝙩𝙤 𝙤𝙩𝙝𝙚𝙧 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨." ⭐⭐⭐⭐⭐ - Bill Kocjancic 𝙁𝙤𝙪𝙣𝙙𝙚𝙧 𝙈𝙚𝙨𝙢𝙚𝙧 (𝙐𝙣𝙞𝙩𝙚𝙙 𝙆𝙞𝙣𝙜𝙙𝙤𝙢) ---------------------------------------------- I've majored in software engineering, and I've used a myriad of technologies to help various businesses create mobile apps that have generated millions in revenue. Over the past 5+ years, I have developed a wide range of iOS and Android mobile apps. ✅ 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 ---------------------------------------------- As your 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗮𝗿𝘁𝗻𝗲𝗿, I go above and beyond to ensure your app’s success, from concept to launch. What I Also Bring Beyond Development: → Technology & architecture consulting → Product roadmap & feature prioritization → Help you understand any possible ongoing costs with the project → Cost-effective tech stack selection with long-term cost planning → Scalability strategy as your user base grows → Technical support during investor or stakeholder discussions ---------------------------------------------- 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 I provide free post-delivery support for 8 weeks, followed by flexible maintenance plans based on your product needs, usage scale, and future roadmap, always discussed transparently. ---------------------------------------------- 🚀 If you’re looking for someone who understands your product, owns outcomes, communicates clearly, and thinks long-term, let’s connect and build something solid. ❗❗ Check out my portfolio! ❗❗ 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

I help founders, startups, and agencies build production-ready iOS and Android apps using FlutterFlow, Flutter, Firebase, and Supabase. Whether you need a fast MVP, a custom Flutter app, or help fixing an existing FlutterFlow project, I can help you plan, build, test, and launch your app with clean communication and reliable execution. I am a Top Rated mobile app developer on Upwork with 100% Job Success. My focus is simple: build apps that are clean, scalable, easy to maintain, and ready for real users. What I can help you with: • FlutterFlow mobile app development for MVPs and startup apps • Custom Flutter app development for iOS and Android • Firebase setup, Firestore database design, authentication, storage, and cloud logic • Supabase setup with auth, PostgreSQL tables, and app integration • Custom FlutterFlow actions, custom widgets, and API integrations • Figma to FlutterFlow or Figma to Flutter implementation • App bug fixing, UI fixes, backend fixes, and performance improvements • Google Maps, geolocation, booking flows, chat, notifications, and payments • Stripe, Razorpay, RevenueCat, and subscription-ready app flows • App Store and Google Play deployment support Types of apps I am a strong fit for: • SaaS MVPs • Marketplace apps • Booking and scheduling apps • Social/community apps • Fitness and wellness apps • E-commerce apps • On-demand service apps • Map/location-based apps • AI-powered mobile apps • Internal business apps and admin tools Why clients choose me: • I can work in both FlutterFlow and custom Flutter, so you are not locked into one approach. • I think through backend structure, app flow, and launch requirements, not just UI screens. • I communicate clearly, ask practical questions, and keep the project moving. • I can join existing projects and fix bugs, rebuild flows, or prepare apps for launch. • I focus on clean, maintainable work that can be improved after MVP launch. If you need a FlutterFlow or Flutter developer for your mobile app, send me a message with your idea, Figma, app link, or current problem. I will review it and suggest the best next step.

Hi, I’m Sunil Kumar, Web & Mobile App Developer with 9+ years of experience in iOS, Android, Flutter, and Full-Stack Web Development. I build high-performance native & cross-platform apps using Swift, Kotlin, Flutter, and Xcode, along with scalable web backends in Node.js, NextJS, Firebase, AWS, and MongoDB. 📌 What I Do ✔ Native iOS & Android Apps (Swift, Kotlin, Java, Objective-C) ✔ Cross-Platform Development (Flutter, React Native) ✔ AI & ML Apps (Chatbots, Computer Vision, OpenAI Integrations) ✔ Web Development (NextJS, ReactJS, Node.js, REST/GraphQL APIs) ✔ Full-Stack Solutions (Frontend + Backend + Deployment) 📂 App Solutions I Deliver ✔ AI-Powered Mobile Apps
 ✔ MVPs for Startups & Businesses
 ✔ Health, Fitness & Wellness Apps
 ✔ Travel & Booking Apps
 ✔ Food Delivery & Marketplace Solutions 
✔ Social Media & Dating Apps
 ✔ Real-Time Chat, Audio & Video Calling
 ✔ E-Learning & EdTech Apps 
✔ Finance, Budget & SaaS Apps 🔹 Why Clients Choose Me ✔ 9+ years of proven expertise
 ✔ Clean, scalable code (SOLID, MVVM, best practices)
 ✔ End-to-end development: UI/UX → Code → Deployment → Support
 ✔ Expertise in AI, automation & integrations
 ✔ Long-term support & partnership 💬 Let’s build your next AI-powered mobile or web app with a strong backend and seamless UX.
📞 Click Invite or Message to schedule a free call today. Thank you,
 Sunil Kumar

Senior Full-Stack Developer specializing in React, Next.js, and Node.js. I build SaaS products and AI-powered web apps for startups and growing companies, Top Rated on Upwork with a 100% Job Success Score across 55+ projects and 3,200+ hours delivered. For 12+ years I've helped founders and teams take products from idea to launch, then scale them. My focus is the full lifecycle: planning the architecture, building clean frontends and reliable backends, integrating AI and third-party services, and supporting the product as it grows. I work as an individual developer or as a technical lead embedded in your team. Where I do my best work: • SaaS platforms — dashboards, admin panels, billing, multi-tenant apps • AI integration — OpenAI/LLM features, chatbots, RAG, and workflow automation • React & Next.js frontends — fast, responsive, and accessible • Node.js / TypeScript backends — REST and GraphQL APIs that scale • Stripe and payment integrations, third-party APIs, and legacy modernization A few things I've shipped: an e-learning platform, a real-estate platform with intelligent matchmaking and real-time messaging, a CRM for a logistics company, and an AI-powered fintech app. Clients describe my work as reliable, clearly communicated, and built to last — you can read their reviews below. The way I work is simple: I plan before I build, I write clean and maintainable code, and I verify before calling anything done, so you get stability, not surprises. I respond within a few hours and keep you updated the whole way through. If you're launching a new SaaS product, adding AI features, or scaling an existing app, send me a message with what you're working on and I'll tell you honestly how I can help.

I build scalable Android, iOS apps and fast MVPs that get real results (1M+ downloads). Senior Flutter Developer with 10+ years total experience & $600k+ earned on Upwork. ✅ Top Rated Plus on Upwork ✅ $600K+ earned | 159 jobs | 2500+ hours ✅ 100% Job Success Score ✅ Free 30-minute strategy consultation As a Senior Flutter Developer and Flutter Engineer, I create scalable, high-performance Flutter apps through expert Flutter development that delivers real user growth and business value. I also leverage FlutterFlow to accelerate development when speed is critical, and offer React Native as a strong secondary option for teams already invested in that ecosystem. I help startups and established businesses build production-ready mobile apps, fast MVPs, and feature-rich solutions with clean code, strong architecture, and excellent maintainability. 🚀 𝗣𝗿𝗼𝘃𝗲𝗻 𝗔𝗽𝗽 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 - AWCC Asan – Cross-platform app with 1M+ downloads - Glossary Planner – Shopping & productivity app with 100K+ downloads - Temple Bliss – Lifestyle app with 20K+ downloads - Hitchhyke – Recently launched ride-sharing & ride hailing mobility platform (From MVP to scalable product) I focus on apps that users love and adopt long-term. 💡 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 - Cross-platform Flutter app development and Flutter application developer services (React Native when required) - Rapid MVPs and full-cycle development - AI integrations including ChatGPT integration and AI-powered chatbots - In-App Purchase (IAP) implementation and Reward & discounts systems - Firebase, Supabase for scalable backend - UX/UI Design focused on user retention - Thorough Testing and QA - App Store & Google Play deployment - Payments, Maps, Real-time features - REST/GraphQL APIs, Node.js backend support 🏭 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 - Ride-sharing, ride hailing & carpooling platforms (Uber-like & on-demand) - Food delivery and ordering apps - EdTech / Educational online tuition & tutorial apps / eLearning - Coaching platform development - Sports & fitness apps - E-commerce & marketplaces - Health & Fitness, HealthTech & Medical apps - Veterinary App development - Social Networking apps - Travel and tour apps - Music, podcast & video streaming apps - Hotel, restaurant, flight ticket & event booking apps - Weather applications - Loan app & Fintech solutions - HR & Media platforms 🏆 𝗥𝗲𝗰𝗼𝗴𝗻𝗶𝘁𝗶𝗼𝗻 & 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 - Prize Winner – FYP Contest - Top Developer on Clutch (2022) - 10+ years experience delivering mobile products globally ⭐ 𝗪𝗵𝗮𝘁 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗦𝗮𝘆 ⭐⭐⭐⭐⭐ "After wasting time and money with other developers, we finally found a professional team. We're already building our third app together." 🤝 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 - Agile methodology with transparent sprints - NDA signed when required - Business-oriented approach with clear communication - Long-term support post-launch Message me today to get a FREE 30-minute strategy session. Let's discuss your vision and map out the fastest path to launch a successful, scalable Flutter app that performs on App Store and Google Play. Highlighted Skills: Mobile App Development | Mobile App Developer | Mobile Application Developer | iOS App Developer | iOS Developer | Flutter Developer | Flutter App Developer | Flutter Mobile App Developer | Flutter Application Developer | Flutter Engineer | Flutter App Development | Flutter Development | Flutter Mobile App Firebase | Flutter Mobile App Dart | Flutter Laravel | Mobile Engineer | Full Stack Mobile App Developer | AI Mobile App Developer | AI Mobile App | AI ChatGPT Integration | In-App Purchase | React Native | React Native Mobile App Development | Ride-Sharing App | Ride Hailing App | Carpooling App | Food Delivery App | Reward and Discounts | E-commerce App | Sports App | Coaching Platform | Veterinary App | Health & Fitness App | Medical App | HealthTech | Social Networking App | Weather Application | Loan App | Travel and Tour App | Music Podcast & Video Streaming App | Hotel Restaurant Flight Ticket Event Booking App | EdTech | Educational Tutorial App | Mobile App Builder | Mobile App Development Consultation | Android Mobile App Developer | Hybrid Mobile App

I’m a 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐅𝐥𝐮𝐭𝐭𝐞𝐫𝐅𝐥𝐨𝐰 developer with 8+ years of experience building beautiful, high-performance cross-platform mobile apps for iOS, Android & Web using Dart, Firebase, Node.js and Supabase. ✔︎ 𝟖+ 𝐘𝐞𝐚𝐫𝐬 of Experience in 𝐌𝐨𝐛𝐢𝐥𝐞 & 𝐖𝐞𝐛 Development ✔︎ 𝟓𝐌+ $ 𝐟𝐮𝐧𝐝𝐢𝐧𝐠 raised by clients ✔︎ 𝟑𝐌+ 𝐚𝐩𝐩 𝐝𝐨𝐰𝐧𝐥𝐨𝐚𝐝𝐬 | 𝟒𝟓+ 𝐩𝐮𝐛𝐥𝐢𝐬𝐡𝐞𝐝 𝐚𝐩𝐩𝐬 ✔︎ 𝐁𝐨𝐨𝐬𝐭𝐞𝐝 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐯𝐢𝐭𝐲 𝐛𝐲 𝟒𝟎% using AI Tools like Claude, GitHub Copilot & Cursor ⚡ 𝟭 𝗛𝗼𝘂𝗿 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗲 𝗧𝗶𝗺𝗲 | Available 𝟭𝟴 𝗛𝗼𝘂𝗿𝘀/𝗗𝗮𝘆 𝐑𝐚𝐧𝐤𝐞𝐝 𝐀𝐦𝐨𝐧𝐠 🌟 𝐓𝐨𝐩 𝟏% 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 I help startups and businesses build 𝐌𝐕𝐏𝐬, prototypes, and full-scale apps 𝟐𝐗 𝐅𝐚𝐬𝐭𝐞𝐫 saving 50%+ in time and cost while delivering 𝐈𝐧𝐯𝐞𝐬𝐭𝐨𝐫-𝐑𝐞𝐚𝐝𝐲, 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. From UI/UX to full backend integration, I handle everything — including authentication, real-time databases, cloud functions, and analytics. ✅ Why Choose Me ⚡ 1. Fast MVPs with Flutter & FlutterFlow I build cross-platform apps using Flutter and FlutterFlow, helping you launch high-quality MVPs quickly — with responsive UI and smooth performance on both iOS and Android. 🏆 2. Top Rated🥇on Upwork with 100% Job Success – Trusted by Clients I’ve earned the Top Rated badge on Upwork by consistently delivering high-quality work, 5-star reviews, and strong client satisfaction. You’re working with someone who’s proven, reliable, and easy to collaborate with. 🛠️ 3. Scalable Backends with Node.js, Firebase & Supabase From authentication to real-time databases and cloud functions, I integrate powerful backend solutions using Firebase and Supabase — designed for growth and reliability. 🧠 4. Built-In Analytics with Mixpanel & Google Analytics tools I implement Mixpanel and Google Analytics tools to give you real-time data on user actions, funnels, and retention — so you can make smarter product decisions backed by analytics. 🧑‍💻 5. Clean, Maintainable Code I write modular, well-documented Dart code that’s easy to maintain and scale — whether you're handing it off to another dev or building on it long-term. 6. Complete App Lifecycle Support From wireframes to App Store & Play Store deployment, I handle the full app development process — ensuring a seamless, end-to-end experience with zero guesswork. 🏆 Skills 🏆 👉 Flutter (Android, IOS, Web) 👉 FlutterFlow (Low-code MVPs & prototypes) 👉 Supabase & Firebase (Firestore, Auth, Storage) 👉 Mixpanel Integration (Event tracking, Funnels, User analytics) 👉 Android App Development (Kotlin, Java) 👉 PHP Laravel & Node.js 👉 Push Notifications (FCM) 👉 REST API Integration 👉 Custom UI & Animations 👉 iOS & Android Deployment Expertise: 🏢 Real Estate 🛒 E-commerce 🚗 Automotive industry 💪 Health and wellness 🖥 Technology and software development 📈 Digital marketing and advertising 🏥 Health care 🍔 Food and beverage 🎓 Education technology 💰 Personal finance and wealth management 🏠 Home improvement and remodeling 🔮 Virtual reality (VR) and augmented reality (AR) 🌱 Renewable energy and clean technology 🐾 Pet care and services Apps 🔧 Technical Skills Keywords Flutter Developer, Dart Programming, FlutterFlow Expert, Supabase Integration, Firebase Developer, Mixpanel Analytics, iOS App Development, Android App Development, Cross-Platform App Developmen,t Mobile App UI/UX, No-code/Low-code, FlutterFlow App, Performance Optimization, Push Notifications, (Firebase/Mixpanel), Real-time Database Integration. Authentication & Firestore, Rules App Analytics, Event Tracking, MVP development. MVP Launch, VIBE Coding,

"Huzaifa is the type of freelancer that you dream of finding on Upwork. He didn't just code, he took ownership of the product itself." ; Ben Feifke, Founder of HeyChef Hi, I'm Huzaifa Shah. I lead a small, senior team based in Pakistan, and we build mobile apps, AI automation systems, and full-stack web platforms for startups and growth-stage companies. My clients usually come to me for one of three reasons: 1. They have an MVP, SaaS product, or marketplace to ship fast and need a senior team that moves quickly without cutting corners on architecture, so growth doesn't force a full rebuild later. 2. They need a production-grade mobile app (Flutter, iOS, Android) that handles real users without breaking, not a prototype that gets rebuilt six months after launch when things get serious. 3. They want to automate real business processes with AI, chatbots, RAG pipelines, AI agents, document intelligence, voice automation, and need someone who has shipped these in production, not just built demos for a portfolio. What makes us different: I personally lead every project. My team handles execution under my direct supervision, which means you get the speed of a team with the accountability of a senior developer who actually cares about your product. That's why every review on this profile is 5 stars and my Job Success Score is 100%. Here's what I deliver: ✔ Mobile App Development: Flutter, React Native, iOS (Swift), Android (Kotlin). We've shipped 20+ production apps including marketplaces, on-demand platforms, fintech, healthcare, fitness, and AI-powered apps. Real-time features, payments, maps, push notifications, App Store / Play Store submission, all handled. ✔ AI Automation & AI App Development: Chatbots, AI agents, RAG knowledge systems, document intelligence, workflow automation (n8n, Make), OpenAI/Claude/Anthropic API integration, vector databases (Pinecone, Supabase). We build AI that solves business problems, not AI that looks impressive in demos. ✔ Full-Stack Web Development: Next.js, React, Node.js, TypeScript, Supabase, Firebase. SaaS platforms, admin dashboards, marketplaces, and web apps that connect cleanly to your mobile product. API-first architecture so everything scales together. ✔ Cloud & Performance: AWS, GCP, Azure deployment. Performance optimization for slow apps, scaling infrastructure for growing traffic, and CI/CD setup so you can ship without breaking things. 🌟 Recent Client Feedback: "Truly exceptional is one word to explain how good Zaif and his people are. I've worked with a lot of developers, and Zaif is easily the best." ; William Miller, Founder of Rosper "Working with Huzaifa and his team has been one of the best experiences we've had on Upwork." ; Joshua Scott, Founder of Quench "Huzaifa arrived to my project when I was in a tight spot. He communicated a realistic timeline and met it with ease." ; Past Upwork client ✅ Top 1% Mobile App and Web App developer ✅ 100% Client Success Score ✅ I'm hands-on. You talk to me directly, not an account manager. ✅ We treat your product like our own. If we spot something you missed, we tell you. ✅ We over-communicate. Daily updates, Loom walkthroughs, and zero ghosting. Industries we've built for: Fintech, healthcare, real estate, e-commerce, on-demand services, fitness, education, marketplaces, social platforms. Tech we use: Flutter, React Native, Swift, Kotlin, React, Next.js, Node.js, TypeScript, Python, Firebase, Supabase, MongoDB, PostgreSQL, AWS, GCP, OpenAI API, LangChain, Pinecone, n8n. If you're building something that matters, a mobile app, an AI product, or a full SaaS platform, let's talk. Send me a message with what you're working on and I'll reply with honest, specific thoughts on your project.

Most developers write code. I build products. I work with founders and startups to design and ship full-stack web applications from early MVP to production-ready systems. I specialize in AI-powered apps, SaaS platforms, and blockchain integrations, handling everything from backend architecture to frontend interfaces so you get one person who owns the whole thing. I've shipped apps with 1M+ downloads, built AI-powered SaaS tools, crypto wallets, and Web3 platforms all the way to production. No handoffs, no coordination overhead, just clean systems that work. If you have an idea and need someone who can run with it end to end, send me a message and let's figure out the right approach together. 𝗣𝗲𝗼𝗽𝗹𝗲 𝘂𝘀𝗲 𝘁𝗵𝗲𝘀𝗲 𝗸𝗲𝘆𝘄𝗼𝗿𝗱𝘀 𝘁𝗼 𝗳𝗶𝗻𝗱 𝗺𝗲 ───────────────────────────── React | Next.js | Node.js | NestJS | Flutter | React Native | Solidity | Python | FastAPI | MongoDB | Firebase | PostgreSQL | REST API | GraphQL | WebSockets | OpenAI API | LangChain | RAG Pipeline | XRPL | Smart Contracts | ERC-20 | ERC-721 | ERC-4626 | WalletConnect | Web3.js | Ethers.js ───────────────────────────── SaaS | DeFi | HealthTech | FinTech | EdTech | PropTech | AgriTech | Web3 | NFT Marketplace | RWA Tokenization | Crypto Wallet | DEX | DAO Governance | Real Estate Tech | AI Startup ───────────────────────────── MVP Development | Full-Stack Development | API Development | Smart Contract Development | Mobile App Development | AI Integration | LLM Integration | Blockchain Development | Token Launch | Product Architecture | SaaS Build | End-to-End Delivery ───────────────────────────── AI | Web3 | Blockchain | LLM | GPT | Machine Learning | Automation | DeFi | NFT | Tokenization | OpenAI | Claude API | Agentic AI | No-Code AI | Prompt Engineering

I help startup founders, SaaS companies, and growing businesses turn ideas into production-ready Flutter mobile apps backed by robust Node.js services—from MVP to scalable products serving real customers. Over the past 5+ years, I've completed 212+ projects, earned over $100K on Upwork, and maintained a 100% Job Success Score while helping startups launch and scale successful mobile products. Recent work includes the CeBee prediction platform with deep linking and referral systems, the Hajj Companion app used during pilgrimage by real users, and multiple marketplace and POS platforms designed for real businesses. Whether you're building a new product or improving an existing app, I can help with: ▪ Flutter mobile apps for iOS & Android ▪ Node.js backend development ▪ Firebase, Supabase & REST API integration ▪ AI-powered features using OpenAI ▪ Payment integration (Stripe, Apple IAP & Google Play Billing) ▪ Marketplace, SaaS, and booking platforms ▪ App Store & Google Play deployment ▪ Long-term retainer support and post-launch iteration I've shipped products across healthcare, fintech, e-commerce, logistics, POS systems, booking platforms, and AI applications—working with startups and established businesses worldwide. What you can expect: ✔ Clean, scalable architecture built for long-term growth ✔ Fast and transparent communication throughout the project ✔ Production-ready code that survives real users ✔ Full ownership from planning to launch ✔ A long-term technical partner, not just a task-taker Tech Stack: Flutter • FlutterFlow • Dart • Node.js • Express.js • Firebase • Supabase • MongoDB • REST APIs • GraphQL • Stripe • OpenAI • Google Maps • Push Notifications • Git • CI/CD My goal isn't just to write code. My goal is to help you ship a product that's reliable, scalable, and ready for real users. Not sure where to start? I offer a paid consultation where we review your idea, choose the right tech stack, and plan your MVP before any code is written. Ready to build something real? Send me a message and let's talk about your project.