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My production Flutter app is live on Android and iOS phones right now, but I need to push it much further so it also shines on tablets and a Windows desktop build. The next release must feel polished, run offline without hiccups, and bring serious value-add features that keep merchants and their customers engaged. Core scope • Offline-first architecture with local persistence and an auto-sync routine that silently pushes queued actions once connectivity returns. • A chat-style, rule-based onboarding that walks new merchants through business registration step by step, validating inputs on the fly. • Referral and rewards module focused on a wallet / credit balance. Every reward earned, spent, or expired must update instantly in the user’s local ledger and sync to the server when online. • Digital warranties generated at checkout and shared via email or WhatsApp in a tap. • Receipt generation after each transaction, likewise shareable. • Bulk SMS and email broadcast tools so merchants can run promotions or send updates. • Analytics dashboards with daily, weekly, monthly, quarterly, and annual views. • End-of-day close that rolls up sales, rewards activity, and inventory movements, then pushes a summary notification to the business owner. • Responsive, adaptive layouts so the UI stretches naturally across 7-inch up to 12-inch tablets and the Windows desktop window. Tech stack expectations Flutter (current stable channel), Hive or Drift for local storage, REST or GraphQL to my existing backend, Firebase Messaging for notifications, and any credible analytics package you prefer. Clean architecture, null-safe Dart, and provider or bloc for state management are required so the codebase stays maintainable. Acceptance criteria 1. Switch device to airplane mode, complete key workflows, restore connection, and see data fully synced with zero duplicates. 2. Onboarding flow must be completable in under 3 minutes using only the on-screen chat prompts. 3. Wallet balance always reconciles with server values after sync. 4. All shared receipts and warranties open correctly on Gmail, Outlook, and WhatsApp Web. 5. Tablet UI scores 90+ on Flutter DevTools’ layout guidelines. I will supply the existing repo, API docs, and Figma screens for the new modules. Let me know which part of this roadmap you would tackle first and an outline of your approach.
ID do Projeto: 40303219
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113 freelancers estão ofertando em média $1.249 USD for esse trabalho

With over a decade of experience in web and mobile development, specializing in Flutter, I understand the challenges you face with your production app. Your need for offline functionality, enhanced features for merchants and customers, and a seamless transition to tablets and Windows desktops is crucial for success. I have a proven track record in building successful fintech and eCommerce solutions, aligning perfectly with your project requirements. My expertise in delivering user-friendly, feature-rich applications will ensure your app shines across all platforms. I am eager to tackle the offline-first architecture, onboarding process, rewards module, and other key features outlined in your project scope. My approach will prioritize a seamless user experience, efficient data sync, and intuitive UI design. Let's work together to bring your Flutter app to the next level. Message me to discuss the details and kickstart this exciting project.
$1.200 USD em 20 dias
9,0
9,0

⭐⭐⭐⭐⭐ Enhance Your Flutter App for Tablets and Windows Desktop ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and understand you're looking to enhance your Flutter app for tablets and Windows. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for Flutter applications. I will focus on creating an offline-first architecture, smooth onboarding, and engaging features that benefit merchants and customers alike. ➡️ Why Me? I can easily enhance your Flutter app as I have 5 years of experience in Flutter development, specializing in offline capabilities, UI design, and user engagement. My expertise includes local storage management, REST and GraphQL integration, and analytics implementation. Additionally, I have a strong grip on Dart, clean architecture, and state management techniques. ➡️ Let's have a quick chat to discuss your project in detail and let me show you examples of my previous work. I'm excited to collaborate with you! ➡️ Skills & Experience: ✅ Flutter Development ✅ Offline Architecture ✅ Local Storage (Hive/Drift) ✅ REST & GraphQL APIs ✅ Firebase Messaging ✅ User Onboarding ✅ Receipt Generation ✅ Analytics Dashboards ✅ Responsive Design ✅ State Management (Provider/Bloc) ✅ Bulk SMS & Email Tools ✅ Digital Warranties Waiting for your response! Best Regards, Zohaib
$900 USD em 2 dias
7,9
7,9

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.
$750 USD em 12 dias
7,3
7,3

Hi, Thank you for considering my bid for enhancing your Flutter app. With over a decade in the field, I have the skills to make your app not just functional but truly outstanding. I will focus on implementing the following key features: 1. Offline-First Architecture: Ensuring all data is locally persisted and syncs seamlessly when online. 2. Chat-Based Onboarding: A streamlined process for new merchants with real-time validation. 3. Referral & Rewards Module: Instant updates to local ledgers and automatic server synchronization. 4. Digital Warranties & Receipts: Immediate generation, sharing via email and WhatsApp. 5. Analytics Dashboards: Comprehensive views from daily to annual. 6. End-of-Day Close Notification: Summarizing sales, rewards, and inventory movements. I'll use Flutter for the UI, Hive or Drift for local storage, REST or GraphQL with your backend, Firebase Messaging for notifications, and my preferred analytics package. Clean architecture, null-safe Dart, and provider/bloc state management will ensure maintainability. Here’s a brief approach: - Initial Setup: Assess existing codebase, API docs, and Figma designs. - Offline Functionality: Implement offline-first architecture with auto-sync routines. - Onboarding Flow: Develop the chat-based onboarding with real-time validation. - Referral & Rewards Module: Create the wallet system for instant updates. - Digital Warranties & Receipts: Integrate generation and sharing tools. - Analytics Dashboards: Design and implement dashboards for comprehensive analytics. - Responsive UI: Ensure tablet and desktop responsiveness. I’ve already prepared a detailed roadmap and can start with the offline-first architecture right away. Please let me know which part to tackle first, and I’ll provide an outline of my approach then. Portfolio: https://www.freelancer.com/u/reedsystems Looking forward to your feedback!
$1.175 USD em 25 dias
6,8
6,8

I specialize in scaling production Flutter apps across mobile, tablet, and desktop platforms while implementing offline-first, sync-safe architectures. I can extend your current app with responsive tablet and Windows layouts, a chat-style onboarding, rewards wallet, digital warranties, and robust analytics—all while ensuring smooth offline behavior and zero data duplication. My approach uses clean architecture with provider/bloc for state management, Hive/Drift for local persistence, and seamless REST/GraphQL integration with your backend. I’d start by auditing the current repo, prioritizing offline sync and adaptive UI, then progressively implement each module for a polished, production-ready cross-platform release.
$1.125 USD em 7 dias
6,8
6,8

Hello I have read your requirements, and I am sure I will be able to help you. May I know you need backend work also? Also on which technology backend is done? Please message me so that we will have technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1.000 USD em 30 dias
6,5
6,5

Your app’s offline sync and multi-device polish are major usability wins, and getting those right will keep merchants hooked. I’d start by building the offline-first layer with robust local persistence (Hive or Drift). From past projects, queued-action sync systems can create duplicates if state isn’t properly locked during retries. To avoid this, I’d implement an idempotent sync routine coupled with conflict resolution using timestamps or server-generated IDs. Would your existing backend APIs support idempotency keys or conflict statuses? Next, I’d focus on the chat-style onboarding flow with dynamic input validation and clear error messages. Streamlining that process under 3 minutes is doable by breaking registration into small, guided steps, updating UI reactively with provider or bloc. Reward wallet sync is another critical piece; syncing spend/earn/expiry transactions instantly requires atomic local ledger updates paired with backend reconciliation to keep balances aligned. I’d also modularize receipt and digital warranty generation as shareable PDFs or images with deep-tested cross-platform email and WhatsApp compatibility. Once core flows are solid offline and synced, I’d tackle UI responsiveness across tablet and desktop using adaptive Flutter layouts. Ready to dive in — I can review your repo and API docs, then start by hardening the offline sync layer for seamless cross-device state management.
$1.125 USD em 7 dias
6,0
6,0

Hello, I reviewed your roadmap and it’s a solid direction for scaling the app beyond phones. Expanding the Flutter app to tablets and Windows desktop while introducing an offline-first architecture and merchant-focused features will significantly improve reliability and engagement. The first step would be implementing the offline-first data layer using Hive or Drift with a local action queue and background sync. This ensures transactions, rewards updates, and onboarding progress work smoothly even in airplane mode. Once the data layer is stable, the next focus would be the wallet / rewards ledger and transaction flows, because these require precise syncing and duplicate protection. After that, the onboarding chat flow, receipt and warranty generation, and broadcast messaging tools can be integrated. Finally, I would optimize the responsive UI for tablets and Windows, ensuring layouts adapt cleanly from 7" tablets up to desktop windows. Analytics dashboards and end-of-day summaries would then connect to the synced data. The implementation would follow clean architecture, null-safe Dart, and Provider or BLoC, with Firebase Messaging for notifications and structured services for sync management to maintain long-term scalability.
$1.050 USD em 7 dias
6,6
6,6

Hello, I’m excited about the opportunity to contribute to your project. With my expertise in **Flutter**, **offline-first architecture**, **Hive/Drift**, **REST/GraphQL integration**, **Firebase Messaging**, **clean architecture**, **null-safe Dart**, and **Provider/BLoC state management**, I can deliver a polished cross-platform upgrade that strengthens your Android, iOS, tablet, and Windows experience while keeping the codebase scalable and maintainable. I’ll tailor the work to your exact requirements, ensuring reliable offline sync, responsive tablet/desktop UI, wallet and rewards reconciliation, shareable receipts and warranties, analytics dashboards, onboarding flows, and end-of-day reporting with smooth integration into your existing backend and repo structure. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$1.125 USD em 5 dias
5,6
5,6

Drawing from my extensive experience as a Full-Stack Developer, I am confident that I am the perfect fit for your Flutter App project. Over the past 8 years, I have successfully developed and deployed over 1000 web and mobile applications, implementing clean code, pixel-perfect designs, and high performance functionalities. These core principles closely align with your project’s demands for an offline-first app that seamlessly syncs data with zero duplicates upon regaining connection. Additionally, working extensively with major technologies like Flutter and providing cross-platform apps, I can ensure excellent adaptability to tablet screens. Similarly, my proficiency in using Hive or Drift ensures dependable local storage features for your applications. To guarantee efficient data management on the backend, I will employ either REST or GraphQL API protocols to communicate with your existing backend. My guarantee extends not only to the completion of the base project but also to passing defined acceptance criteria. As a habit trimmer, I emphasize completion within promised timelines while ensuring all functionalities work coherently. For instance, I will conduct extensive checks on Gmail, Outlook, and WhatsApp Web to ensure receipts and warranties are shared correctly and are easily accessible across platforms. Similarly, Tablet UI will be built keeping in mind Flutter DevTools’ layout guidelines to score a 90+, guaranteeing the best possible user experience.
$1.125 USD em 7 dias
5,3
5,3

Hello, I can help scale your existing Flutter app to deliver a polished experience across tablets and Windows desktop while implementing a reliable offline-first architecture. My first step would be designing a **local data layer using Hive/Drift** with a background sync engine so merchants can complete transactions, rewards updates, and inventory actions even in airplane mode. Once connectivity returns, queued actions will automatically sync with the backend while preventing duplicates and maintaining ledger accuracy. Next, I would implement the **chat-style onboarding flow** with step-by-step validation so merchants can complete registration quickly. I will also build the **wallet and rewards system** with a local ledger that instantly records earned, spent, or expired credits and reconciles with the server after sync. Digital warranties and receipts will be generated after checkout and easily shared via **email or WhatsApp**. I will also integrate **analytics dashboards, bulk SMS/email tools, and end-of-day summaries**. The UI will be redesigned with **adaptive layouts for tablets and Windows desktop**, ensuring smooth responsiveness and high Flutter DevTools layout scores. I follow clean architecture, null-safe Dart, and Provider/BLoC for maintainable code. I’d be glad to review your repo and Figma to plan the implementation. Best regards, Amaan Khan P. CUBEMOONS PVT LTD.
$1.225 USD em 7 dias
4,7
4,7

I see you need to enhance your live Flutter app to support tablets and Windows desktop with a polished offline-first experience and engaging features for merchants and customers. Your focus on smooth syncing, responsive UI, and value-add modules stands out clearly. Your detailed scope involving local persistence with auto-sync, a chat-style onboarding, a referral rewards wallet, digital warranties, receipts, bulk messaging, analytics dashboards, and end-of-day summaries highlights a complex but rewarding challenge. The tech stack using Hive or Drift, REST or GraphQL, Firebase Messaging, and clean architecture with null-safe Dart and provider or bloc aligns well with maintainable, scalable code. I recently built a Flutter app with offline-first architecture using Drift for local storage and implemented a seamless sync mechanism that prevented duplicates on reconnection. I also developed a chat-based onboarding flow and integrated referral rewards with instant wallet updates, which directly matches your wallet and onboarding requirements. My experience with responsive layouts across tablets and desktop ensures your UI will adapt naturally and score high on Flutter DevTools. I can deliver a first working prototype focusing on offline sync and onboarding within three weeks, then move on to the rewards and sharing modules. Let’s discuss which features you want prioritized so I can tailor the approach precisely.
$825 USD em 7 dias
2,7
2,7

SELF WRITTEN BID, NO AI WRITTEN BID, CHECK ONCE timeline: 28 days cost: $1,250 USD Good morning! I can enhance your production Flutter app with complete tablet/Windows desktop support, offline-first architecture (Hive local storage + auto-sync), chat-style merchant onboarding, referral rewards wallet, digital warranties/receipts (WhatsApp/email share), bulk SMS/email broadcasts, multi-period analytics dashboards, end-of-day close reports, and responsive layouts from 7" tablets to desktop. Why me: Instant replies to your messages (within 10-15 mins) Daily updates regarding your project Enhanced 6+ production Flutter apps for tablet/desktop Hive offline sync + BLoC state management (your existing stack) Responsive layouts passing Flutter DevTools 95+ scores Firebase Messaging + wallet reconciliation production-tested Production-ready tablet/desktop merchant app with zero data loss. — Shrey Tanna
$1.250 USD em 28 dias
1,8
1,8

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