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I’m building a cross-platform solution that pairs a Flutter mobile application with a React-based website. On the mobile side, I need one clean Flutter codebase that compiles for both iOS and Android. Core functionality includes secure email-and-password authentication; a Firebase setup would be perfect, but any equally reliable approach works for me. Smooth navigation, responsive UI, and maintainable state management are priorities. The web component should be written in React. It will consume the same backend endpoints as the app, so experience orchestrating a shared API layer between Flutter and React will be invaluable. I expect production-ready code, clear component structure, and an eye for performance. Deliverables • Flutter source ready to ship on iOS & Android • React source ready for a production build • Concise setup instructions so I can run everything locally Please tell me about similar projects you’ve handled and the timeframe you foresee. I’m ready to get started as soon as we align on the plan.
Project ID: 40403236
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206 freelancers are bidding on average $242 USD for this job

Hi, I will deliver the Flutter app — authentication, navigation, and state management — alongside the React website, both wired to a shared API layer with consistent data models. For state management, I will use Riverpod in Flutter paired with a structured provider architecture — this keeps the codebase modular and makes syncing auth state across screens predictable without boilerplate overhead. Questions: 1) Do you have an existing backend/API, or will Firebase handle everything? 2) Will the React site mirror the app features or serve a different purpose? Looking forward to discussing further. Best regards, Kamran
$90 USD in 5 days
8.5
8.5

Hi, I’m a full-stack developer experienced in Flutter and React apps with shared API architecture. I can build your mobile app with secure auth (Firebase) and a clean, scalable UI, plus a React web app consuming the same backend. I focus on performance, maintainable code, and smooth UX. I’ve delivered similar cross-platform solutions. Ready to start immediately.
$400 USD in 7 days
8.6
8.6

As an experienced digital solutions pro, I am fully equipped to deliver your project requirements with perfection. My 7 years of expertise include sophisticated skills in Android and iPhone App Development, PHP and Web Development which will be pivotal in this cross-platform solution requirement. Fluent in Flutter and React, I’ll ensure a powerful codebase that compiles smoothly for iOS and Android platforms while retaining excellent functionality. Security is at the forefront of every good application. I come bearing mastery of authentications and believe that a Firebase setup would be perfect for you as well. The end product should have smooth navigation, responsive User Interfaces, and maintainable state management; all these I prioritize dearly. Orchestrating a shared API layer between Flutter and React aligns perfectly with my abilities. I've worked on similar projects where maintaining a backend synchronization between two different front ends was critical; producing bug-free production ready codes, clear component structures, high-performing designs, quick communication around the same have been crucial. Trust me with your project and even after unlimited revisions your satisfaction is vastly important to me! You have my commitment to delivering high standards that are aligned with your vision -
$250 USD in 7 days
8.0
8.0

Hello I carefully read and I understand you need a cross-platform system with a single Flutter codebase for iOS and Android, plus a React web app sharing the same backend for consistent data flow. The focus is clean architecture, secure authentication, and production-ready performance across both platforms. Flutter mobile app with email and password authentication using Firebase or equivalent secure backend React web application consuming shared API endpoints with clean structure and optimized performance Unified backend API layer with proper authentication flow, maintainable architecture, and scalable setup I will build this using Flutter for mobile, React for web, and Firebase or Node.js backend depending on your preference, ensuring both platforms stay fully synchronized and easy to maintain. You will get clean, production-ready code with clear setup instructions so you can run and deploy everything easily. I have worked on multi platform systems where mobile and web share a unified backend and consistent authentication flow. I can start immediately, let’s align on the architecture and move forward. Best Regards Hammad Hassan
$140 USD in 7 days
7.9
7.9

Hi, We’ve developed several mobile apps with Flutter, including a secure login system using Firebase and custom APIs. We also have extensive experience with React, having built multiple web apps that consume APIs from our mobile products. For your project, we can create a single codebase that works seamlessly on both iOS and Android, ensuring a consistent experience across platforms. We prioritize responsive design and smooth navigation, and we can implement state management solutions like Provider or Riverpod based on your needs. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil
$152.10 USD in 7 days
7.4
7.4

Hello, We at Doomshell Software Pvt Ltd specialize in building scalable cross-platform solutions combining Flutter mobile apps and React web platforms. We can deliver a clean, high-performance system with secure authentication and a shared backend for seamless data flow across platforms. Our Approach: Requirement analysis & architecture planning Flutter app development (iOS & Android from single codebase) React website with clean, reusable components Shared API/backend development (Firebase/Node/PHP) Secure email-password authentication integration Scalable state management & responsive UI Testing for performance, security & compatibility Deployment support with clear setup documentation We ensure production-ready code, maintainable structure, and smooth user experience across both platforms. Looking forward to collaborating with you.
$140 USD in 7 days
7.5
7.5

Hello, My name is Manish, and I lead a team experienced in building cross-platform applications with shared backend architectures. We can deliver a clean Flutter app for iOS and Android with secure authentication (Firebase or equivalent), smooth navigation, and scalable state management. Alongside, we’ll build a structured React web app consuming the same API layer to ensure consistency across platforms. Our approach focuses on clean architecture, reusable APIs, performance optimization, and maintainable code. We’ll ensure both mobile and web apps are production-ready, responsive, and easy to scale. You’ll receive complete Flutter and React source code, along with clear setup instructions for local deployment. Happy to share similar cross-platform projects and align on timelines. Thank you, Manish
$240 USD in 30 days
8.1
8.1

⭐⭐⭐⭐⭐ Create a Cross-Platform Solution with Flutter and React ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for a cross-platform solution combining Flutter and React. Look no further; Zohaib is here to help! My team has completed over 50 similar projects successfully. I will create a clean Flutter codebase for both iOS and Android, ensuring secure authentication and smooth navigation. For the React side, I will build a responsive web application that shares the same API layer as the app. ➡️ Why Me? I can easily handle your cross-platform solution as I have 5 years of experience in Flutter and React development, focusing on mobile and web applications. My expertise includes secure authentication, responsive UI design, and state management. I also have a strong grip on backend integration and performance optimization. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Flutter Development ✅ React Development ✅ Mobile App Development ✅ Web Application Development ✅ API Integration ✅ UI/UX Design ✅ Secure Authentication ✅ State Management ✅ Firebase Setup ✅ Performance Optimization ✅ Clean Code Practices ✅ Agile Methodologies Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.8
7.8

Hi With my extensive background in Mobile and Web development, including significant experience with Flutter and React, I believe I'm the perfect fit for your project. My focus has always been on delivering high-performing, responsive, and adaptable solutions - precisely what you need for your cross-platform mobile app and React-based website. I've successfully developed many custom software applications using Flutter that compile seamlessly for iOS and Android, utilizing robust and reliable security measures like Firebase. Indeed, I can configure a shared API layer between your Flutter and React components effectively as I have done several times in the past. I assure you that the UI/UX of your app and website will be intuitive, easy to navigate, and completely aligned with your brand. Additionally, my team at WellSpring Infotech can provide clear, concise setup instructions for running everything locally post-development. Thanks...
$250 USD in 7 days
7.9
7.9

Hi, I can build your cross-platform solution with a single Flutter codebase for iOS/Android and a React web app sharing a unified API layer. I’ve delivered similar setups using Firebase Auth, clean state management (Bloc/Provider), and scalable backend integration for both mobile and web. I focus on responsive UI, performance, and production-ready structure with clear documentation. I can deliver both apps along with setup instructions within 3–5 weeks depending on final scope. Happy to discuss your plan and get started right away.
$200 USD in 10 days
7.2
7.2

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert
$140 USD in 7 days
7.1
7.1

Hello I specialize in Flutter and React, perfect for your cross-platform solution. I'll build and seamlessly integrate your mobile app and website, ensuring a cohesive and high-performance user experience. Let's create an exceptional paired product that delivers on your vision. Giáp Văn Hưng
$138 USD in 7 days
6.7
6.7

Hello! Combining Flutter for mobile with React for web is a smart way to reach users on any device seamlessly. The real challenge often lies in keeping data and user experience consistent across platforms. Our team has strong expertise in Flutter and React.js, along with backend experience in Laravel and PHP to ensure smooth integration. What key features do you want to prioritize to ensure both apps feel unified yet optimized for their platforms? Let's discuss your vision and get your cross-platform solution up and running flawlessly.
$250 USD in 7 days
6.9
6.9

Hi, We’re a full-stack team with strong experience building cross-platform products using Flutter and React with shared backend APIs. We’ve delivered mobile apps for iOS/Android alongside modern web dashboards and customer portals, focused on clean architecture, smooth UI, and scalable code. For your project, we can build: • Single Flutter codebase for iOS & Android • Secure authentication and reliable backend integration • React website connected to the same API layer • Production-ready, maintainable code with setup docs for local running Estimated timeframe: 1–6 weeks depending on final features and backend readiness. Note: Amount we bid might change after full and final scope. We’re ready to start immediately and would be happy to discuss the flow and priorities. Best regards Interconnect Team
$140 USD in 7 days
6.8
6.8

Hello! Based on your project description, you are looking to develop a Flutter Mobile App & React Website both connected through a shared backend with secure authentication and scalable architecture. The goal is to ensure a seamless user experience across devices with clean code, strong performance, and maintainability. I will focus on delivering a unified solution featuring: a single Flutter codebase compiled for both platforms with smooth navigation and responsive UI; secure email/password authentication (Firebase or equivalent); a well-structured React application optimized for performance; and a shared API layer to ensure consistency between mobile and web platforms. The implementation will emphasize maintainable state management, modular architecture, and production-ready code, along with clear setup instructions for local deployment. I specialize in building scalable cross-platform applications with shared backend systems, secure authentication flows, and performance-focused frontend architectures. Please contact me to discuss your preferred backend approach, feature priorities, and deployment expectations so we can finalize the development roadmap. Best regards, Nikita Gupta
$300 USD in 10 days
6.7
6.7

Hi, As per my understanding: you need a Flutter app and React web app sharing a common backend with secure auth and consistent API integration. Approach: * Set up shared backend with auth (Firebase/JWT) * Develop Flutter app with scalable state management * Build React app consuming same APIs Queries: * Preferred backend stack or Firebase final? * Any UI/UX references? I will share my portfolio on your first message. I will be looking forward to hearing from you. Kindest Regards
$350 USD in 7 days
6.9
6.9

Hello, I will develop your WEBSITE AND MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$120 USD in 15 days
6.6
6.6

Hello, I hope you are doing well. I understand that you are looking to build a MOBILE APPLICATION, and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$150 USD in 7 days
7.2
7.2

Hi, I will create a seamless Flutter mobile app and React website combo for your project. The Flutter app will feature secure authentication and robust navigation, while the React website will consume the same backend, ensuring a cohesive user experience. You can expect a polished Flutter codebase for both iOS and Android, along with a well-structured React website ready for production. I will keep you updated throughout the process, ensuring a smooth and efficient development journey. How do you envision the integration of real-time updates within the app and website to enhance user engagement? Let's chat further so I can give you a proper timeline and get things moving.
$100 USD in 2 days
6.4
6.4

Hi, For a build like this, the key is usually a single, well-documented API layer and identical auth/session flows for both Flutter and React to avoid duplicate work and inconsistent behavior. I’ve connected Flutter apps and React frontends to the same REST/Firebase backends before and would: - first validate authentication/session flow (Firebase auth tokens or JWT) and set up a shared API client for both apps - scaffold a maintainable Flutter app (responsive UI, provider/riverpod state) and a React app (component structure, API hooks) with production build configs and concise run scripts This is a medium scope project — I’ll outline a minimal first working set, then iterate. What backend are you using now (Firebase, custom PHP/API)? Reply with that and I’ll propose a timeline and first deliverable. — Smith
$140 USD in 7 days
6.4
6.4

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