Hello, I am a Flutter developer specialising in building high-performance mobile applications for Android and iOS. I help startups, businesses, and agencies transform ideas into scalable, user-friendly mobile apps using Flutter. Whether you need an MVP or a full-featured application, I focus on delivering clean code, smooth performance, and a great user experience. With a strong understanding of cross-platform development, I can build apps that work seamlessly across devices while reducing development time and cost. Here’s what I can help you with: ✔️ Flutter mobile app development (Android & iOS) ✔️ Cross-platform app development with a single codebase ✔️ Converting Figma, XD, or UI designs into pixel-perfect apps ✔️ Firebase integration (Authentication, Firestore, Push Notifications) ✔️ REST API and third-party integrations ✔️ Payment gateway integration (Stripe, Razorpay, PayPal) ✔️ Google Maps and location-based features ✔️ App performance optimization and bug fixing ✔️ App Store and Google Play deployment Experience includes: • Business and service-based applications • E-commerce and marketplace apps • Booking and appointment systems • Social and community platforms • Dashboard and data-driven applications I focus on delivering reliable solutions, maintaining clear communication, and meeting deadlines. The goal is to build apps that are not only functional but also scalable and aligned with your business needs. If you’re looking for a Flutter developer who can handle your project efficiently from start to finish, feel free to reach out.

Hi, I’m a mobile app developer with 10+ years of experience building high-quality iOS and Flutter applications for startups, growing businesses, and enterprise teams. I specialize in creating reliable, scalable, and user-friendly mobile apps from idea validation and development to deployment, optimization, and long-term support. What I can help you with: • Native iOS app development using Swift, Objective-C, and SwiftUI • Cross-platform app development with Flutter • AI/ML integration to add smarter app functionality • AR app development using ARKit, RealityKit, and SpriteKit • BLE, Wi-Fi, and IoT-enabled mobile applications • API integrations, real-time communication, and cloud-connected apps • App maintenance, performance optimization, and post-launch support I have worked across a wide range of industries, including healthcare, e-learning, retail, eCommerce, music, VoIP, market research, food & beverage, real estate, geo-location, live broadcasting, and social networking. My technical expertise includes: • Swift, Objective-C, SwiftUI, Flutter • REST APIs, GraphQL, WebSockets, gRPC, MQTT • Firebase, AWS, GCP, Azure • OAuth, Firebase Auth, Amazon Cognito • Core ML, ML Kit, Vertex AI, Vision AI • BLE, Raspberry Pi, Arduino, STM32, mDNS • In-app purchases, subscriptions, analytics, and monetization I focus on delivering apps that are not only well-built technically, but also aligned with business goals, user experience, and long-term scalability. Whether you need a new app built from scratch, advanced feature development, AI or AR integration, or ongoing mobile support, I’d be glad to help bring your idea to life.

𝗕𝘂𝗶𝗹𝗱 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 & 𝗪𝗲𝗯 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 — 𝗙𝗿𝗼𝗺 𝗠𝗩𝗣 𝘁𝗼 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 Hi, I’m 𝗛𝗮𝗳𝗶𝘇 𝗠𝘂𝗵𝗮𝗺𝗺𝗮𝗱 𝗔𝗻𝘀𝗲𝗿, a 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟳+ 𝘆𝗲𝗮𝗿𝘀 of hands-on experience in mobile and web application development. I help startups, SaaS founders, and growing businesses design, develop, and scale high-performance applications using modern technologies like React, React Native, Node.js, PHP (Laravel), Swift, and Kotlin. Whether you need an MVP, a production-ready SaaS platform, or AI-powered features integrated into your product, I deliver reliable, scalable solutions. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 • 100+ mobile and web projects delivered • Strong track record of client satisfaction • Consistent on-time delivery • 30–40 hours/week availability • Expertise in both frontend and backend development • Experience integrating AI (ChatGPT / OpenAI APIs) • Advanced API & payment gateway integrations 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗶𝗢𝗦 & 𝗔𝗻𝗱𝗿𝗼𝗶𝗱) • iOS Development — Swift, SwiftUI, UIKit • Android Development — Kotlin, Java • Cross-Platform — React Native, Flutter • App Store & Google Play submission • In-App Purchases & Subscriptions • Push Notifications (APNs, Firebase FCM) • Real-time features & WebSockets 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗠𝗘𝗥𝗡 / 𝗠𝗘𝗔𝗡 / 𝗣𝗛𝗣) • Frontend — React.js, Next.js, Redux, TypeScript • Backend — Node.js, Express.js, Laravel, PHP • REST API development & integration • Database design — MongoDB, MySQL, PostgreSQL, Firebase • Scalable architecture & performance optimization 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Custom API development • Secure authentication (JWT, OAuth2) • Payment integrations — Stripe, PayPal • Third-party API integrations • Server deployment & cloud setup (AWS, Firebase) 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 • OpenAI / ChatGPT integration • AI chatbots & virtual assistants • LangChain & custom AI workflows • Speech-to-text & voice features • Machine learning feature integration 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿 • Custom Mobile App Development (iOS / Android) • Full Stack Web Application Development • SaaS Application Development • MVP Development for Startups • Legacy Code Refactoring & Modernization • AI Feature Integration • API & Payment Gateway Integration • Database Design & Optimization • App Store Optimization (ASO) • Performance Optimization & Security Hardening 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗪𝗶𝘁𝗵 • SaaS Platforms • E-commerce & Marketplaces • Fintech & Payment Systems • Education & LMS Platforms • Healthcare & Wellness Apps • Social Networking Apps • Real-Time Collaboration Tools • Booking & Reservation Systems 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗰𝗸 • Languages: Swift, Kotlin, Java, JavaScript, TypeScript, PHP, Dart, Python • Frameworks: React.js, Next.js, React Native, Flutter, Node.js, Express.js, Laravel • Databases: MongoDB, MySQL, PostgreSQL, Firebase, Firestore • Tools: Git, GitHub, Docker, AWS, Firebase, Xcode, Android Studio, Postman • Architecture: MVC, REST APIs, Microservices, Serverless, MERN Stack 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 • Discovery & Requirements Analysis • Agile Sprint-Based Development • Weekly Progress Updates • Quality Assurance & Testing • Deployment & Post-Launch Support 𝑳𝒆𝒕’𝒔 𝑩𝒖𝒊𝒍𝒅 𝑺𝒐𝒎𝒆𝒕𝒉𝒊𝒏𝒈 𝑮𝒓𝒆𝒂𝒕 If you’re looking for a reliable Full Stack Developer or Mobile App Developer who understands both business logic and scalable architecture let’s connect. Send me a message or invite me to your job, and let’s discuss your project goals.

I am a Mobile Application Developer specializing in no-code and low-code platforms, helping startups, entrepreneurs, and businesses turn their ideas into fully functional mobile and web applications quickly and cost-effectively. My expertise includes: • Bubble,io Application Development • Lovable AI-Powered App Development • Adalo Mobile App Development • MVP Development for Startups • SaaS Platform Development • Marketplace Applications • CRM & Business Management Systems • AI Integration (OpenAI, ChatGPT, Claude AI) • API Integrations & Workflow Automation • User Authentication & Role Management • Responsive Web & Mobile Applications • Third-Party Payment Gateway Integration • Database Design & Optimization I focus on building scalable, user-friendly, and visually appealing applications that help businesses validate ideas, automate operations, and accelerate growth. Whether you need an MVP, a customer portal, a marketplace, a booking platform, or an AI-powered application, I can take your project from concept to launch. Why work with me? ✔ Clean and scalable application architecture ✔ Fast development and delivery ✔ Strong communication and project management ✔ Business-focused approach, not just development ✔ Ongoing support and enhancements after launch Let's discuss your project and transform your idea into a powerful digital product.

I build AI-powered mobile apps and startup MVPs using Flutter — one codebase, both iOS and Android, shipped fast. If you're a founder or business with an app idea, here's what working with me looks like: → Week 1: Scope locked, architecture planned, development started → Weekly: Working builds delivered, nothing hidden → End: Production-ready app on App Store and Play Store What I specialize in: ✦ AI-powered Flutter apps (ChatGPT, OpenAI API, LLM integrations) ✦ Startup MVP development — idea to App Store in weeks ✦ Social apps with real-time chat, feeds, and media ✦ Fintech apps with payments, wallets, and transactions ✦ Health and fitness apps with AI features ✦ Booking and event management apps My tech stack: Flutter | Dart | Firebase | OpenAI API | REST APIs | Stripe | Google Maps | BLoC | Riverpod | Push Notifications Why clients choose me: ⭐ Top Rated — 100% Job Success Score ⭐ $50K+ delivered on Upwork ⭐ 50+ production apps shipped globally ⭐ No surprises — weekly demos, transparent pricing, on-time delivery ⭐ Full source code always included I don't take every project. Before starting anything I do a proper scope review to make sure I can deliver exactly what you need, on time and on budget. Message me with your app idea and I'll tell you exactly how long it will take and what it will cost — usually within a few hours.

I’m a Top Rated developer on Upwork focused on building scalable, production-ready applications that solve real business problems—not just prototypes. I’ve worked with startups and growing businesses to turn ideas into reliable systems, from backend APIs to full-stack platforms and cross-platform mobile apps. I also have hands-on experience integrating modern AI capabilities into applications where they add real value. 💻 Core Expertise Backend Development: Node.js & FastAPI (high-performance APIs, microservices) Frontend Development: React & Angular (modern, responsive UI) Mobile Apps: Flutter & Ionic (cross-platform, production-ready apps) Cloud & DevOps: AWS architecture, CI/CD pipelines, system optimization AI Integration: LLM-based applications, LangChain, automation workflows ☁️ AWS Expertise I’m 2× AWS Certified: AWS Certified DevOps Engineer – Professional AWS Certified Solutions Architect – Associate I design systems that are scalable, secure, and optimized for both performance and cost. ⚡ How I Work Clear, consistent communication Clean, maintainable code On-time delivery Proactive suggestions to improve your product I don’t just execute tasks—I help you make better technical decisions. 🤝 Let’s Work Together If you’re looking for someone who can handle everything from backend systems to cloud infrastructure and modern app development, I’d be happy to help. Let’s discuss your project.

I help startups, SaaS companies, and growing businesses build scalable mobile and web applications using Flutter, React Native, React.js, Next.js, Node.js, Firebase, and AWS. With 10+ years of experience in full-stack and mobile app development, I’ve worked on startup MVPs, SaaS platforms, fintech systems, AI-powered applications, real-time platforms, and custom business solutions used by real users and growing companies. My expertise covers the complete product development lifecycle — from UI implementation and mobile app development to backend systems, APIs, cloud infrastructure, and production deployment. 𝐏𝐫𝐢𝐦𝐚𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • Cross-Platform Mobile App Development (Flutter & React Native) • Full-Stack Web Development (React.js, Next.js & Node.js) • SaaS Product Development & Startup MVPs • AI-powered Application Integrations • Real-Time Chat, Notifications & Live Systems • Payment Gateway & Third-Party API Integrations • Firebase, AWS & Cloud-based architectures • Scalable Backend systems with Node.js 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮 𝐁𝐮𝐢𝐥𝐝 • Android & iOS Mobile Applications • Startup MVPs & SaaS Platforms • AI-powered Mobile & Web Applications • Ecommerce, Booking & Fintech Platforms • Business Automation Systems • Real-Time Applications & Dashboards • Cloud-based Scalable Applications • API-based Mobile & Web Solutions 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 • Clean, scalable, and maintainable architecture • High-performance mobile and web applications • Strong communication and transparent workflow • Business-focused product development approach • Fast and reliable delivery • Long-term scalability and performance optimization • Experience building real-world startup products 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 Flutter • React Native • React.js • Next.js • Node.js • Firebase • AWS • MongoDB • PostgreSQL • REST APIs • AI Integrations I focus on building applications that are stable, scalable, user-friendly, and ready for real business growth. Whether you need a startup MVP, SaaS platform, scalable mobile application, or full-stack business solution, I can help turn your idea into a reliable and production-ready product.

🏅 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 🚀 9+ 𝐘𝐞𝐚𝐫𝐬 | 📱 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐍𝐚𝐭𝐢𝐯𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 I specialize in building 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 using both 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 (𝐃𝐚𝐫𝐭) for cross-platform and 𝐧𝐚𝐭𝐢𝐯𝐞 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 (𝐊𝐨𝐭𝐥𝐢𝐧 𝐟𝐨𝐫 𝐀𝐧𝐝𝐫𝐨𝐢𝐝, 𝐒𝐰𝐢𝐟𝐭 𝐟𝐨𝐫 𝐢𝐎𝐒). I help startups and businesses turn their ideas into fully functional, scalable, and beautiful apps — delivered 𝐨𝐧 𝐭𝐢𝐦𝐞, 𝐨𝐧 𝐛𝐮𝐝𝐠𝐞𝐭, 𝐚𝐧𝐝 𝐰𝐢𝐭𝐡 𝐟𝐮𝐥𝐥 𝐬𝐭𝐨𝐫𝐞 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭. 🚀 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐃𝐨 𝐅𝐨𝐫 𝐘𝐨𝐮  • Flutter App Development (iOS & Android)  • Native Android (Kotlin) / iOS (Swift/SwiftUI) Apps  • Firebase Integration, REST APIs, Local & Cloud Databases  • Clean Architecture (MVVM, Bloc, Hilt, Riverpod)  • In-App Purchases, Maps, Stripe/PayPal, Push Notifications  • Full App Lifecycle: Design → Development → Deployment  • Maintenance, Bug Fixing & App Store Support 💻 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐃𝐚𝐫𝐭: Bloc, Riverpod, Provider, GetX, Animations 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 (𝐊𝐨𝐭𝐥𝐢𝐧): Jetpack Compose, Retrofit, Room, MVVM, Dagger/Hilt 𝐢𝐎𝐒 (𝐒𝐰𝐢𝐟𝐭): SwiftUI, CoreData, Combine, MVVM 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: SQLite, Room, Firebase, MongoDB, PostgreSQL, AWS 𝟑𝐫𝐝-𝐏𝐚𝐫𝐭𝐲: Stripe, PayPal, Twilio, Google Maps, OneSignal, Social Logins ✅ 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞  • 9+ years of experience in mobile development  • Founder of Spybird Infotech  • Deep understanding of both business needs and technical architecture  • Clean, scalable, well-documented code  • Transparent communication, agile delivery, and post-launch support  • Top Rated on Upwork with 100% JSS and 30+ successful projects 💬 𝘎𝘰𝘵 𝘢𝘯 𝘪𝘥𝘦𝘢? Let’s discuss how I can help bring it to life — invite me or message me at the top of my profile. Thank you, 𝐒𝐚𝐧𝐣𝐚𝐲 𝐆𝐨𝐡𝐢𝐥 📍 Founder, Spybird Infotech

🚀 Full Stack Developer | React & Next.js Expert | SaaS & MVP Builder | IBM & Meta Certifications Looking for a developer who can turn your idea into a fast, scalable, and stunning product? MVP or SaaS? I’m Muhamamd Feroz, an Experienced Full Stack Web and Mobile Developer with 4+ years of experience and 30+ successful projects delivered, from SaaS platforms and web apps to cross-platform mobile solutions. Clients hire me because I write clean code, business thinking, and beautiful design to deliver results that *perform and convert*. 🎓 Certifications: * 🧠 IBM Certification in Microservices Architecture * 💻 Meta Certification in Advanced React * 🎁 100% money-back guarantee if I ever set the wrong expectation or fail to deliver - no excuses, no questions asked. ⚙️ Tech Stack & Expertise Frontend: React.js, Next.js, Tailwind CSS, TypeScript, JavaScript, Bootstrap, AJAX Backend: Node.js, Express.js, MongoDB, PostgreSQL, SQL, Firebase, Supabase Mobile: React Native (Expo & CLI) Cloud & DevOps: AWS, Firebase, Supabase Other Expertise: REST APIs, Microservices, Progressive Web Apps (PWA), SaaS Architecture 💡 My Development Approach ✔ Build scalable, maintainable, and secure architecture with modern best practices ✔ Create pixel-perfect, responsive, SEO-optimized UIs using Tailwind CSS ✔ Develop high-performance APIs in Node.js and Express ✔ Offer clear communication, weekly updates, and milestone transparency ✔ End-to-end ownership - from concept to cloud deployment 📈 Why Clients Choose Me Successfully delivered 30+ full-stack apps, SaaS platforms, and enterprise projects * Experienced in building MVPs that scale and attract investors * Proven ability to transform business goals into powerful, production-ready software * Strategic, proactive, and deadline-oriented, no hand-holding required * Always committed to building future-proof, high-quality systems 🧠 What I Can Build for You * 🚀 SaaS Platforms & MVPs ready for launch * 💼 Business dashboards, portals, and management systems * 🛍️ E-commerce & subscription-based apps * 📱 Cross-platform React Native mobile apps * ☁️ Cloud-integrated systems with AWS / Firebase **Let’s Build Something Great** Whether you’re a startup founder launching your SaaS, or an established business modernizing your web app, I’ll help you deliver a product that looks amazing, performs flawlessly, and scales effortlessly. You can Search me by: Full Stack Developer | React Developer | Next.js Developer | Node.js Developer | SaaS Developer | MVP Developer | Frontend Developer | Backend Developer | AWS Engineer | TypeScript Developer | Web App Developer

I am a senior mobile engineer working with mobile apps for 8 years now. I can - Build apps from scratch. 100% custom, using flutter, react native, and swift. - Build native and cross-platform apps. - Build with BaaS like Firebase, AWS, or build custom backend solutions from scratch. - Build AI image, AI video, AI agent, AI orchestration, and business based AI solutions. - Audit existing mobile apps for performance, security, optimization, compliance and conversion issues. - Take over older codebases and apps from previous developers without knowledge transfer. - Take over full maintenance of mobile apps at a fixed retainer per month.