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Need developer in creating a cross-platform blood-donor ecosystem in Flutter that must run smoothly on Android, iOS and as a Web PWA. The build includes two parts: a member-facing app of roughly ten screens and a lightweight admin console. Member experience • Donors register or sign in with a mobile-number-based OTP flow, then complete and edit their profile. • They set personalised reminder dates; the system must queue and deliver push notifications exactly on those dates. • Inside the app donors can log each donation or related activity, review their own history, and edit entries at will. • A read-only view lets users see other donors’ basic details and activity list, plus the nearest blood-bank information. Admin console A simple web interface is needed where an authorised admin can log in, search, add, edit or deactivate donor profiles and their activity records. Assets & support I will supply full screen references, navigation flow, and API Requirement Docs so development can focus on clean code, state management and integration rather than UX decisions. Deliverables 1. Source-controlled Flutter project running on Android, iOS and Web (PWA). 2. Scheduled notification mechanism wired to the reminder dates (FCM or equivalent). 3. Responsive web admin panel covering donor and activity management. 4. Build/run instructions and a hand-off walkthrough. Acceptance • All screens match provided designs within 2 dp tolerance. • OTP login works end-to-end on every platform. • Notifications fire at the exact scheduled time in live tests. • CRUD operations for donors and activities work via the API without regression. Let’s discuss any implementation questions before we start.
Project ID: 40442763
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100 freelancers are bidding on average ₹23,071 INR for this job

Hi there, This is a complete healthcare-style donor management ecosystem, and I can build a scalable Flutter-based solution that runs smoothly across Android, iOS, and Web while handling real-time data, OTP authentication, and scheduled notifications. My approach will be to first set up a solid Flutter architecture with proper state management and backend integration so that donor profiles, donation history, and admin controls all work from a single clean data flow. Then I will implement OTP login, donor profile system, donation tracking, reminder scheduling with push notifications, and the admin web panel for managing users and activity records in a controlled way. I will also make sure the notification system is reliable for exact-time delivery and that the entire platform works consistently across mobile and web without breaking the user experience. I have a few questions around the notification scheduling mechanism and admin access flow, and would request to connect once so we can align everything properly. Rahul A.
₹22,000 INR in 40 days
8.6
8.6

Hello, Your project is very well structured, and I’d be excited to help develop the complete cross-platform blood-donor ecosystem in Flutter for Android, iOS, and Web PWA. Since you already have the screen references, API documentation, and navigation flow prepared, the development process can stay focused on building a stable, scalable, and production-ready system with clean architecture and smooth performance across all platforms. I have strong experience with Flutter app development, REST API integration, OTP authentication flows, push notifications, admin dashboards, and scalable backend-connected applications. I’ve also worked on apps involving real-time data handling, activity tracking, profile management, and cross-platform deployments, so I understand the importance of maintaining consistency and reliability across mobile and web. For this project, I would implement a clean Flutter architecture using proper state management such as Riverpod or Bloc to ensure maintainability and scalability as the platform grows. I’d be happy to discuss the API structure, notification scheduling approach, admin architecture, and any implementation details before getting started. Thank you, Deepak
₹25,000 INR in 30 days
8.1
8.1

Hello, My name is Manish, and I lead a Flutter development team experienced in building cross-platform mobile and web applications with OTP authentication, push notifications, admin panels, and API integrations. We can build your blood-donor ecosystem for Android, iOS, and Web PWA using a single Flutter codebase along with a responsive admin console for donor and activity management. Our team can handle OTP login flow, scheduled push notifications, donor activity tracking, blood-bank information integration, CRUD operations, and clean state-managed architecture while ensuring the app closely matches your provided designs and API requirements. We would be happy to discuss the implementation flow, timeline, and architecture approach before getting started. We can also share similar projects we have worked on during discussion. Thank you, Manish
₹20,000 INR in 15 days
8.1
8.1

Hi, I’m very interested in your Flutter-based blood donor ecosystem project. I have experience building cross-platform applications for Android, iOS, and Web (PWA) with clean architecture, API integration, OTP authentication, push notifications, and admin dashboard development. I can help you develop: Member-facing Flutter app with OTP login and donor activity management Scheduled reminder notifications using FCM Responsive web admin panel for donor and activity management Clean, scalable, and well-structured codebase API integration based on your provided documentation Full deployment support and handoff documentation I understand the importance of accurate notification scheduling, responsive UI consistency, and stable CRUD/API functionality across all platforms. I’d be happy to review the screen designs and API docs to discuss the implementation approach and timeline. Best Regards,
₹15,000 INR in 20 days
7.6
7.6

Hi there, I have read your project requirement. You need a cross-platform Flutter-based blood donor ecosystem with Android, iOS, and Web PWA support, including OTP authentication, scheduled reminders, donor activity tracking, nearest blood bank visibility, and a responsive admin console for donor management. Our team has experience building Flutter applications with Firebase/FCM notifications, OTP authentication, responsive admin panels, API integrations, and scalable cross-platform architectures. A few questions: ============== Will OTP authentication use Firebase, Twilio, or your own API? Do you already have APIs ready for donor/activity management? Should the nearest blood bank data come from Google Maps or another service? What is your target timeline for MVP delivery? Best Regards, Srashtasoft Team
₹22,000 INR in 10 days
7.2
7.2

Hello, I have 10+ years of experience in Flutter, full stack application development, REST API integration, Firebase services, and scalable cross-platform solutions for Android, iOS, and Web PWA platforms. I can develop your complete blood-donor ecosystem with clean architecture, responsive UI, and reliable real-time functionality across all platforms. I can deliver: * Flutter application for Android, iOS, and Web PWA * OTP-based mobile authentication flow * Donor profile and activity management * Donation history tracking and editing * Scheduled push notifications using FCM * Blood bank listing and donor activity views * Responsive admin panel for donor/activity CRUD management * API integration based on your provided documentation * Clean state management using Provider, Riverpod, or Bloc I would be happy to discuss the API structure, notification workflow, and development timeline further. Best regards
₹20,000 INR in 7 days
7.1
7.1

Hi, We can build your cross-platform blood donor ecosystem in Flutter for Android, iOS, and Web PWA with a strong focus on clean architecture, smooth performance, and reliable notification delivery. We will: • Develop the donor-facing Flutter app with OTP authentication, profile management, donation history, reminders, and blood-bank views • Implement scheduled push notifications using FCM or equivalent services • Build a responsive admin web panel for donor/activity CRUD management • Integrate APIs cleanly with proper state management and scalable structure • Ensure the app matches your provided UI references accurately across all platforms • Deliver full source code, setup instructions, and handover walkthrough We have experience with Flutter, Firebase/OTP systems, PWAs, and real-time notification workflows. We would genuinely like to work on this project and can begin immediately after reviewing the API docs and screen references. If you are not happy with the work, you do not pay. We will treat it as a free consultation with no obligation. Regards Interconnect Team
₹20,000 INR in 7 days
6.8
6.8

Your notification scheduling requirement is the critical path here - if reminders fire late or skip entirely, donors miss their donation windows and the entire ecosystem loses trust. I've seen Flutter apps fail in production because developers treat FCM as a simple plugin without accounting for iOS background restrictions and Android battery optimization killing scheduled tasks. Before architecting the solution, I need clarity on two points. First, what's your backend stack handling the OTP generation and donor data - are you running PHP APIs on shared hosting or a dedicated server with cron access? Second, do your reminder dates need timezone awareness, because a donor traveling across regions expects notifications at their local 9 AM, not the server's timestamp. Here's the architectural approach: - FLUTTER + RIVERPOD: Implement state management with Riverpod providers to handle auth tokens, donor profiles, and activity logs without prop-drilling across ten screens, reducing bug surface by isolating state mutations. - FCM + WORKMANAGER: Wire Firebase Cloud Messaging for instant push delivery and combine it with WorkManager for Android and BackgroundTasks for iOS to guarantee notification firing even when the app is terminated - this hybrid approach hits 99% delivery reliability. - RESPONSIVE WEB PWA: Build the admin console using Flutter Web with adaptive layouts that collapse gracefully on tablets, ensuring your admin can manage donors from any device without maintaining separate codebases. - PHP API INTEGRATION: Structure API calls with Dio interceptors for automatic token refresh and retry logic, preventing silent failures when your PHP backend returns 401 or times out during peak registration hours. - SQLITE + SECURE STORAGE: Cache donor profiles locally using sqflite and store auth tokens in flutter_secure_storage to enable offline activity logging, syncing changes when connectivity returns. I've built three healthcare Flutter apps that scaled past 50K users, including one donation-tracking system where notification precision was non-negotiable. Let's schedule a 15-minute technical call to walk through your API contracts and confirm the reminder scheduling logic before I commit to a timeline.
₹18,000 INR in 7 days
6.7
6.7

With over [X years] in the development industry, our team at SoftwareLinkers is well-versed in creating scalable and efficient digital platforms, which exactly aligns with your project requirements. Having already delved into Flutter app development and PHP API integration, we fully understand how to integrate the various elements you need seamlessly. I assure you dedication in delivering a blood-donor ecosystem that runs smoothly across Android, iOS, and the Web while providing an optimal user experience. Our proficiency extends beyond just coding; we possess a meticulous approach that centers on understanding your business goals and realizing them through refined solutions. Additionally, we're highly adaptable to new challenges and provide long-term support even after the handover. Given a chance to work on this project, I guarantee: 1. A seamless frontend experience for members with focus on state management and clean coding. 2. The implementation of precisely timed scheduled notification system. 3. A responsive web admin panel for effective management of donor profiles and activities. 4. Delivery within agreed-upon timeline without compromising on quality Choosing us means ensuring execution that meets your exact specifications and expectations. Let's discuss your plans for implementation to start this journey towards building a successful blood donor ecosystem together!
₹25,000 INR in 12 days
6.4
6.4

With me, you won't just be hiring a developer, but an experienced professional who will ensure your Blood Donor Ecosystem project is not only created but reaches its full potential as well. As a Full Stack Developer, I've got extensive experience in both Web and Mobile App Development including using technologies like Flutter which is perfect for your cross-platform needs. I can guarantee that the ecosystem we build together will run smoothly on Android, iOS and as a Web PWA. One of the core features of this application is the ability to schedule and deliver personalized notifications. Leveraging my strong understanding of Flutter's push notification capabilities, I'll make certain every donor receives these important notifications exactly when needed. We'll manage this using FCM or an alternative to ensure consistency across platforms. Don't just trust my words though, I'd love to showcase my abilities through a walkthrough upon project completion! Let's discuss any implementation questions you may have so we can start creating the perfect Flutter Blood Donor Ecosystem together!
₹17,500 INR in 7 days
6.4
6.4

I’m an experienced Flutter developer with extensive experience building cross-platform applications for Android, iOS, and Web (PWA). I can develop your blood-donor ecosystem with a seamless member-facing app and lightweight admin console. The member app will feature secure OTP login, donor profile management, activity logging, personalized push notifications, and a read-only donor directory. The web PWA will ensure accessibility across devices. On the admin side, I’ll implement a responsive console for managing donors and activity records efficiently. I prioritize clean, maintainable code and fast performance, ensuring the app works flawlessly across all platforms. I will deliver a fully tested, production-ready solution with detailed hand-off documentation and guidance. I’m confident in implementing scheduled notifications, CRUD operations, and responsive interfaces exactly to your specifications. I’m ready to start immediately and collaborate closely to bring your project to launch smoothly.
₹150,000 INR in 30 days
6.0
6.0

**** Cross-Platform Blood Donor App & Admin Panel Development *** Hello, I've checked your project and I understood you need a Flutter-based blood donor ecosystem with Android, iOS, and Web PWA support, including OTP authentication, scheduled notifications, donor activity management, and a responsive admin console. Key Features: Flutter app for Android, iOS & Web PWA OTP login/signup with donor profile management Donation activity tracking & reminder notifications Blood bank listing, donor directory & activity history Responsive admin panel with full donor/activity CRUD management I can build the complete system with clean architecture, API integration, push notification scheduling, and scalable state management while matching your provided designs accurately across all platforms. Let’s discuss the API structure and project timeline to start development smoothly. Thanks
₹20,000 INR in 7 days
5.9
5.9

Hello, Your blood-donor ecosystem project is exactly the kind of scalable Flutter application I specialize in. With 5+ years of experience in Flutter, Firebase/API integration, OTP authentication, push notifications, and cross-platform development, I can deliver a smooth and production-ready solution for Android, iOS, and Web PWA. What makes me a strong fit: • Strong expertise in Flutter architecture, clean code, and state management • Experience with OTP-based authentication and secure user flows • Accurate scheduled push notification implementation using FCM/local scheduling • Responsive admin panels with full CRUD management • Cross-platform optimization for mobile + web from a single codebase I understand the importance of reliability in this project — especially notification timing, API stability, and pixel-perfect UI matching. I can build both the donor app (~10 screens) and lightweight admin console exactly as per your provided designs and API documentation. You will receive: ✔ Clean, maintainable Flutter source code ✔ Android, iOS & PWA support ✔ Admin web dashboard ✔ API integration with donor/activity management ✔ Proper project structure & handover support ✔ Build/run documentation and walk-through I’m confident I can deliver a fast, scalable, and user-friendly system that meets all acceptance criteria without compromise. Looking forward to discussing the workflow, APIs, and timeline with you. Best regards, Ankit
₹21,000 INR in 12 days
5.4
5.4

With over 9+ years of experience as a Website and Mobile App Developer, my team and I are well equipped to tackle your ambitious project. Given my expertise in Android and iOS development paired with my deep understanding of Flutter, I am confident in delivering an extraordinary cross-platform blood-donor ecosystem that functions seamlessly on Android, iOS, and Web. One of the core strengths of our company is our ability to provide timely, clean code and streamlined state management for complex projects. Your provision of full-screen references and API Requirement Docs perfectly aligns with our approach of focusing on development rather than UX decisions, optimizing for speed without compromising on functionality. As evidenced by my substantial portfolio, which covers everything from E-commerce to Content Management systems, I'm highly accomplished in responsive web design - making me the ideal candidate to build you a lightweight but efficient admin console. Crucially, I promise your required hand-off walkthrough will be thorough and detailed - ensuring your and your team's easy understanding and ongoing success with the delivered project. Let's turn this incredible idea into reality together!
₹20,000 INR in 7 days
5.6
5.6

As a seasoned full stack developer with expertise in Flutter and Mobile App Development, I am excited to offer my services for your Phase 2 blood donor ecosystem. Over the past decade, I have honed my skills in creating high-quality and scalable applications across various platforms, including Android, iOS and Web PWAs. This project is ideal fit for me as it aligns perfectly with my specialization and passion for clean code and state management. One of my strengths is thorough understanding of client requirement that saves time on lengthy back-and-forth discussions. My ability to handle end-to-end project -frontend, backend, APIs and CMS- ensures smooth integration without regression issues. Further, my proficiency in PHP would be an added advantage while working on the admin console.
₹20,000 INR in 3 days
5.2
5.2

Hello, I can develop your cross-platform blood donor ecosystem in Flutter with smooth support for Android, iOS, and Web PWA along with a responsive admin console. I will implement secure mobile OTP authentication, donor profile management, activity tracking, reminder scheduling, and push notifications with accurate delivery timing using FCM or equivalent services. The app will include donation history management, donor directory viewing, and nearby blood bank information while maintaining clean architecture and scalable state management. I will also build a lightweight web admin panel for managing donor profiles and activity records with full CRUD functionality and secure access control. The final delivery will include complete Flutter source code, API integration, responsive layouts, notification setup, and clear deployment and handoff documentation. I have experience building Flutter applications with API-driven workflows, authentication systems, admin panels, and real-time notification features, and I can ensure clean, maintainable development throughout the project.
₹20,000 INR in 15 days
5.0
5.0

Hello, I read your project details for the Flutter blood donor ecosystem – cross-platform for Android, iOS, and Web PWA, with member app (OTP, notifications, history) and a simple admin console. This is exactly the kind of project I have experience with. I've built apps involving secure OTP flows, perfectly timed push notifications for reminders, and streamlined admin panels for data management. Since you're providing screen designs and API docs, our focus will be on clean code, robust state management, and smooth integration to match everything pixel-perfectly and ensure those notifications work precisely. We can definitely do this project well. Our priority will be a stable, reliable system across all platforms. Ping us on chat, and we can discuss how to make this happen. Raj Abhisek Panda
₹20,000 INR in 7 days
4.4
4.4

Hello, I reviewed your project details carefully and I’m confident I can help you develop a professional, user-friendly, and high-performance mobile application according to your requirements. With 8 years of experience in app development, I specialize in creating responsive and modern applications with clean UI/UX and smooth functionality. What I can provide: * Android and iOS app development * Modern, responsive, and user-friendly UI/UX * Fast and optimized app performance * API integration and backend connectivity * Bug fixing, testing, and maintenance support * Revisions until you are fully satisfied I have worked on similar projects before and understand the importance of quality, communication, and meeting deadlines. I can start immediately and provide regular updates throughout the project. I’d be happy to discuss your app idea and suggest the best solution for your project. Looking forward to working with you. Best regards, Ashir Ali
₹25,000 INR in 3 days
4.4
4.4

Hi, I’m Karthik with 15+ years of experience in Flutter development, cross-platform applications, healthcare/community platforms, and scalable backend integrations. I can help build Phase 2 of your Blood Donor Ecosystem with clean architecture, reliable notifications, and smooth performance across Android, iOS, and Web PWA. What I can deliver: • Cross-platform Flutter app (Android/iOS/Web PWA) • OTP-based mobile authentication flow • Donor profile creation & management • Donation/activity history tracking • Reminder scheduling with exact push notifications (FCM) • Nearby blood-bank information integration • Responsive web admin console for donor/activity management • API integration with clean state management architecture • Source code, deployment support & handover walkthrough My expertise includes: ✔ Flutter & Dart ✔ Firebase/FCM notifications ✔ REST API integrations ✔ Responsive Web/PWA development ✔ Admin dashboards & CRUD systems ✔ Provider / Riverpod / Bloc state management I focus on: ✔ Pixel-perfect UI implementation ✔ Stable OTP & notification workflows ✔ Clean maintainable codebase ✔ Smooth cross-platform performance I’ve worked on healthcare, tracking, and community-based mobile systems and can collaborate efficiently using your provided API docs and screen references. Ready to discuss implementation details and start immediately. Regards, Karthik
₹50,000 INR in 7 days
4.5
4.5

Hello, I can develop your cross-platform Blood Donor Ecosystem in Flutter for Android, iOS, and Web (PWA) with a clean, scalable architecture and smooth performance across all devices. The donor app will include OTP-based authentication, profile management, donation history tracking, and reminder scheduling with accurate push notifications. Users will also be able to view nearby blood banks and access limited donor information in a secure read-only format. For the admin side, I will build a lightweight web dashboard where you can manage donors, update records, and control activity logs through a simple and efficient interface. I will ensure proper state management, API integration, and clean code structure so the system remains easy to maintain and scale in the future. All scheduled notifications will be properly handled using FCM or a reliable equivalent system. I have experience in Flutter multi-platform applications and backend integrations, and I can deliver a production-ready system with full source code and documentation. Let’s connect in chat so we can discuss your design flow and start immediately.
₹20,000 INR in 5 days
4.6
4.6

India, India
Member since Jul 30, 2013
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