Hire the Best Firebase Developers
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Delivered 𝟱𝟬+ high-performance iOS & Android apps using React Native, Firebase & Supabase with 𝟰𝟬% faster workflows, real-time features, AI integrations, secure payments, subscriptions, APIs, and scalable solutions improving user engagement by 𝟲𝟬%+ ➡️ 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✅ Cross-Platform Mobile App Development ✅ React Native CLI & Expo Development ✅ Firebase & Supabase Backend Integration ✅ Real-Time Chat Application Development ✅ Socket-Based Live Communication Features ✅ REST API Development & Integration ✅ AI-Powered Mobile App Features ✅ Subscription & Payment Integration ✅ App Store & Play Store Deployment ➡️ 𝗦𝗸𝗶𝗹𝗹𝘀 ✅ React Native ✅ JavaScript / TypeScript ✅ Firebase Authentication & Database ✅ Supabase Integration ✅ Real-Time Database Management ✅ Socket. io Integration ✅ RESTful API Integration ✅ AI API Integration ✅ WebView Implementation ✅ Stripe Payment Gateway ✅ In-App Purchase Integration ➡️ 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 ✅ Custom iOS & Android App Development ✅ MVP Mobile App Development ✅ AI-Based Mobile Applications ✅ Chat & Messaging Applications ✅ E-Commerce Mobile Apps ✅ SaaS Subscription Applications ✅ Social Networking Applications ✅ Business Automation Apps ✅ API & Backend Connected Apps ✅ Mobile App Maintenance & Optimization ➡️ 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✅ Developed scalable mobile apps with secure authentication systems ✅ Built real-time chat apps with instant messaging features ✅ Integrated Firebase, Supabase, APIs, AI models & payment gateways ✅ Created subscription-based applications with Stripe & in-app purchases ✅ Managed complete app publishing process for Google Play & Apple App Store ➡️ 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 & 𝗗𝗼𝗺𝗮𝗶𝗻 ✅ Healthcare Applications ✅ E-Commerce Platforms ✅ Social Media Apps ✅ FinTech Applications ✅ AI-Based Applications ✅ SaaS Products ✅ Booking Applications ✅ Education & Learning Apps ✅ Business Management Solutions ➡️ 𝗧𝗼𝗼𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 ✅ React Native CLI ✅ Expo ✅ Firebase ✅ Supabase ✅ Socket. io ✅ Stripe ✅ REST APIs ✅ OpenAI APIs ✅ Google Play Console ✅ Apple Developer Console ✅ Git & GitHub ✅ VS Code ✅ Postman ➡️ 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? ✅ Clean & scalable code structure ✅ Performance-focused development ✅ Secure backend integrations ✅ Smooth communication & updates ✅ Complete support from idea to deployment ➡️ 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗬𝗼𝘂𝗿 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 Have an app idea or need improvements in your existing application? Let’s create a fast, scalable, and revenue-ready mobile app that delivers a premium user experience. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: React Native Developer, Mobile App Developer, iOS App, Android App, Expo, React Native CLI, Firebase, Supabase, Socket. io, Real Time Chat, REST API, API Integration, AI App Development, OpenAI Integration, Stripe, Payment Gateway, In App Purchase, Subscription App, WebView, App Store Deployment, Play Store Deployment, Cross Platform App, JavaScript, TypeScript, Mobile UI, Mobile UX, SaaS App, Startup App, MVP Development, Chat App, ECommerce App, Firebase Auth, Push Notifications, Backend Integration, Mobile Development, Hybrid App, Custom App, App Maintenance, App Optimization

Senior Flutter & Node.js Developer | 4+ Years Experience | Full-Stack Architect Overview Hi, I’m Usama Mukhtar, a Software Engineer and a certified Flutter and Node.js developer with over 5+ years of hands-on experience. I specialise in mobile app development using Flutter and backend development with Node.js. I help businesses transform ideas into user-focused, scalable, and high-performance digital products by using modern technologies and efficient development practices. Trusted By: Over 100 global clients across healthcare, fintech, e-commerce, POS systems. Success Rate: 95% client retention with more than 174 projects successfully delivered on time. Commitment: I offer a free 60-minute consultation to understand your requirements and align the technical strategy with your business goals. 🟢Technical Skills Strong experience with third-party libraries and RESTful APIs Skilled in Android and iOS development Expertise in state management and app architecture in Flutter Proficient in Firebase (authentication, real-time DB, Firestore, cloud functions) Experience with push notifications and in-app purchases Integration of payment gateways and subscription models Google Maps and location-based services API integration for real-time data handling and synchronisation Strong command of Dart Additional experience: Java, Kotlin, SQLite, HTML, JavaScript, CSS3, Git 🟢Soft Skills Excellent problem-solving abilities Strong communication and teamwork Professional documentation practices Responsible, reliable, and legally compliant Creative and proactive approach to resolving issues Ability to clearly understand and deliver business requirements 🟢Roles and Responsibilities Design, develop, test, and deploy mobile and web applications Collaborate with UI/UX designers, QA teams, and stakeholders Take ownership of delivering high-quality and user-friendly products Provide continuous support, updates, and maintenance Stay current with modern technologies and trends Optimize workflows and write clean, reusable code Build Flutter applications for both Android and iOS Follow company standards, best practices, and guidelines Develop reusable UI components for efficient scalability 🟢Conclusion With strong expertise in Flutter, Node.js, and full-stack development, I focus on delivering reliable, high-quality, and scalable solutions. I have hands-on experience with Firebase, push notifications, in-app purchases, payment integrations, maps, and API-based applications. Client satisfaction and clean, efficient code are always my top priorities. I am confident that I can deliver the results you need for your project.

Need a high-performance iOS and Android app without paying for two separate native teams? I build production-ready Flutter and FlutterFlow apps from a single codebase, so you ship to both stores faster, cheaper, and with one team instead of two. As a Top Rated Plus mobile engineer with a 94% Job Success Score and over $200K+ earned on Upwork, I turn complex backend systems into fast, fluid mobile experiences. Whether you need a brand-new MVP from scratch, an AI-powered app, or a rescue mission for a buggy legacy codebase, I write clean, scalable, architecture-compliant code that's built to last. 📱 See the proof, not just promises: I've shipped real, live apps you can download and test today, marketplaces, AI clinical tools, on-demand logistics, wellness, and education platforms. Check the portfolio section below on my profile to download them straight from the App Store and Google Play. ✅ Problems I solve for clients: "My app idea needs to launch on iOS and Android fast" → one Flutter codebase, both platforms, half the cost. "I have designs but no developer" → Figma-to-Flutter conversion into responsive, pixel-accurate UI. "I need AI features in my app" → speech-to-text, LLM/ChatGPT APIs, and automated data workflows integrated cleanly. "I need payments and subscriptions" → Stripe, in-app purchases, and billing systems done right. "My existing app is slow or buggy" → performance tuning, refactoring, and bug rescue on legacy code. "I need it on the stores" → full App Store and Play Store deployment and compliance handled end to end. 🛠️ Technical Stack: Mobile: Flutter, FlutterFlow, Dart, Kotlin, Java State Management: BLoC, Riverpod, Provider, Clean Architecture AI Integrations: Speech-to-text, LLM/OpenAI APIs, automated summarization Backend & Cloud: Firebase, Supabase, MySQL, REST APIs, SQLite, Azure DevOps CI/CD Native: Geofencing, background services, push notifications, Stripe & in-app subscriptions Design: Figma-to-Flutter, Material Design, responsive multi-device layouts 📈 How we'll work: A short discovery call to map your architecture, a clear scope and timeline, clean code with regular check-ins, and a tested app deployed to both stores. If this sounds like what you need, click "Invite to Job" at the top right, share your Figma files or requirements, and let's map out your build.

Are you a business owner or entrepreneur looking to build a web or mobile app? Been there! I launched my own app successfully and can help you not only develop, but also strategize how to build and launch your app. Book your consultation today to understand the ins and outs of bringing an app to life: How much it costs, how long it takes, what’s the process and more. These are the results my clients are getting: • $100M+ raised by clients • 50% of working hours cut with business platforms • 100+ 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

⭐𝗙𝗿𝗲𝗲 𝗔𝗽𝗽 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗥𝗲𝘃𝗶𝗲𝘄 & 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗦𝘂𝗴𝗴𝗲𝘀𝘁𝗶𝗼𝗻𝘀 If you’re looking for a reliable Flutter mobile app developer who can turn your idea into a scalable, high-performance Android & iOS app, you’re in the right place. Many startups and businesses struggle with slow apps, poor UI/UX, unscalable Firebase setups, or unreliable developers who disappear mid-project. I solve these problems by delivering clean architecture, production-ready Flutter applications that are aligned with your business goals, not just code. I specialize in cross-platform mobile app development using Flutter, helping founders, startups, and agencies launch apps that are fast, secure, and user-friendly. ➤ 𝗪𝗵𝗮𝘁 𝗜 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗔𝗰𝗵𝗶𝗲𝘃𝗲 ➤ Launch Android & iOS apps faster with one Flutter codebase ➤ Build scalable apps using Firebase & REST APIs ➤ Improve UI/UX for higher user retention ➤ Integrate AI features like ChatGPT & image analysis ➤ Fix bugs, performance issues & app crashes ➤ Turn Figma/UI designs into pixel-perfect Flutter apps ➤ 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 ➤ Flutter App Development (Android & iOS) ➤ Firebase Authentication, Firestore & Realtime Database ➤ REST API & Backend Integration ➤ AI / ChatGPT API Integration ➤ App Optimization & Error Fixing ➤ UI/UX Implementation & Animations ➤ App Deployment & Store Submission ➤ 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ➤ Certified Flutter Developer with real production experience ➤ 5⭐ rated projects with excellent client feedback ➤ Clean, maintainable & scalable code ➤ Clear communication & fast response time ➤ Long-term support mindset, not just task completion ➤ Strong understanding of startup & business needs ➤ 𝗧𝗼𝗼𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 ➤ Flutter & Dart ➤ Firebase (Auth, Firestore, Realtime DB, Cloud Functions) ➤ REST APIs & JSON ➤ AI APIs (ChatGPT, Image Analysis) ➤ GitHub & Version Control ➤ FlutterFlow ➤ Figma to Flutter ➤ Laravel (Backend Support) ➤ 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗪𝗶𝘁𝗵 ➤ E-commerce ➤ AI & Machine Learning Apps ➤ Education & Learning Apps ➤ Productivity & Habit Tracking ➤ Business & Startup Applications I think smart, build fast, and scale with purpose. let’s work together. Flutter Developer, Mobile App Developer, Android App Development, iOS App Development, Firebase Developer, Cross Platform Apps, Flutter Firebase, AI Mobile App, ChatGPT Integration, App UI UX, FlutterFlow, REST API Integration, Startup App Development, MVP Development, App Optimization, Bug Fixing, Scalable Mobile Apps, Dart Developer, Full Stack Mobile Developer, Firebase Firestore, Firebase Realtime Database, Mobile UI Design, App Performance, Flutter Expert, Hybrid Mobile Apps, App Deployment, Google Play Store, Apple App Store, Flutter Consultant

𝗜 𝗮𝗺 𝗮 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 with 10+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building scalable SaaS platforms, web applications, mobile applications, and cloud-native systems using Angular, React, Next.js, Node.js, Firebase, Google Cloud Platform (GCP), and WordPress. 𝗜 𝗵𝗲𝗹𝗽 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀 𝗮𝗻𝗱 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝘁𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺 𝗶𝗱𝗲𝗮𝘀 𝗶𝗻𝘁𝗼 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 by designing robust architectures, developing scalable applications, and implementing cloud infrastructure that supports long-term growth. My expertise goes beyond coding. I specialize in 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻, 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗗𝗲𝘀𝗶𝗴𝗻, 𝗠𝘂𝗹𝘁𝗶-𝗧𝗲𝗻𝗮𝗻𝘁 𝗦𝗮𝗮𝗦 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, and 𝗖𝗹𝗼𝘂𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that remain maintainable and cost-effective as products scale. 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: ✔ Angular & Angular Material ✔ React & Next.js ✔ Node.js & TypeScript ✔ Firebase (Firestore, Cloud Functions, Authentication, Storage, Messaging) ✔ Google Cloud Platform (GCP) ✔ JavaScript & TypeScript ✔ REST APIs & Third-Party Integrations ✔ WordPress & WooCommerce ✔ AI Integrations (OpenAI, Gemini, Claude) ✔ Progressive Web Apps (PWA) 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱: • SaaS Platforms • Multi-Tenant Applications • Customer Portals & Client Dashboards • Admin Panels & Internal Business Tools • Real-Time Applications • AI-Powered Applications • E-Commerce & Subscription Platforms • Membership Platforms • CRM & Management Systems • Mobile Applications (Ionic & Angular) • Firebase-Powered Applications 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗶𝗻𝗴 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: • Software Architecture & Technical Planning • System Design & Scalability Reviews • Firebase Architecture & Cost Optimization • Database Design & Data Modeling • Security & Authentication Architecture • Performance Optimization • Code Reviews & Technical Audits • Cloud Infrastructure Design Whether you need a Firebase Expert, Angular Developer, React Developer, Next.js Developer, Node.js Developer, Full Stack Developer, or a Software Architect to lead technical decisions, I can help you build reliable, scalable, and maintainable solutions that align with your business goals. 𝗜 𝗳𝗼𝗰𝘂𝘀 𝗼𝗻 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗶𝗻𝗴 𝗰𝗹𝗲𝗮𝗻 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗵𝗶𝗴𝗵-𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗰𝗼𝗱𝗲, 𝗮𝗻𝗱 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that enable products to grow without accumulating technical debt.