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We are looking for an experienced Flutter developer to build the foundation of a modern financial trading application. This is NOT a UI-heavy project. You will NOT design dashboards, charts, AI features, or trading logic. Your task is to deliver a clean, scalable, high-performance architecture that we will build the full product on top of. The final app will be extremely advanced, so the base must be professional. ===================================================================== SCOPE OF WORK ===================================================================== ### 1. Authentication & User System - Email login + registration - Basic user model (name, email, tier) - Tier handling (5 tiers total): Copper, Silver, Gold, Platinum, Diamond - Only **two dashboards** required: • DashboardBasic (used for Copper/Silver/Gold/Platinum) • DashboardDiamond (used ONLY for Diamond users) - Automatic dashboard routing after login No payment system needed now. Just prepare structure so we can later integrate: - Apple Pay - Google Pay - Stripe Subscriptions ### 2. App Structure & Navigation - Must run perfectly on modern devices (Android/iOS) - Clean Flutter architecture with best practices - State management: Riverpod (preferred) or Bloc - Modular folder structure - Navigation with 5 main pages: • Home • Search • Markets • Portfolio • Settings All pages can be placeholders with minimal UI. ### 3. Dashboard Modules (2 total) A. DashboardBasic B. DashboardDiamond Both should be modular containers with placeholder widgets where we will plug in the advanced interface later. No styling or visuals required beyond simple placeholders. ### 4. Search + Instrument Detail Templates Search screen: - Search bar + mock results list Instrument detail screen: - Placeholder sections for: • Chart area • Key stats • News list • Signals/indicators • Buy/Sell buttons - No functionality, only structure ### 5. Portfolio Template - Static mock holdings - Unrealized PnL (mock data) - Transactions list (mock) - Basic balance view ### 6. Backend Compatibility (Very Important) The architecture must support modern backend systems. Preferred: - Supabase Alternative: - Firebase Requirements: - Repositories for: • AuthRepository • MarketDataRepository • PortfolioRepository - Clean separation of layers: • UI • Application Logic • Data • Services - Must be prepared for: • Real-time market data • High-frequency updates • AI modules No backend integration required now—only structure. ### 7. Code Quality Standards - Clean Architecture approach - Modular & scalable - Clear naming conventions - <200 ms navigation transitions - Smooth performance during UI updates - Documented folder structure ===================================================================== WHAT YOU ARE **NOT** BUILDING ===================================================================== - No advanced dashboards - No animations - No charts - No AI engine - No news engine - No watchlists - No world markets widget - No winners/losers loop - No trade execution - No backend logic - No payment system - No social trading These will be built by us after your foundation is ready. ===================================================================== REQUIRED DOCUMENTATION (MANDATORY) ===================================================================== Payment will only be released after complete documentation covering: 1. Architecture explanation (folders, layers, logic flow) 2. iOS + Android build setup 3. How to extend modules 4. How to plug in real-time API data 5. How to integrate payment systems later 6. Tier system explanation 7. Navigation structure overview 8. Where AI, charts and news engine will be integrated ===================================================================== DELIVERABLES ===================================================================== - Full Flutter source code - All screens functional (placeholder content) - Working navigation - Working tier routing - Mock portfolio data - Two dashboards - Clear documentation ===================================================================== MILESTONES ===================================================================== Milestone 1 – Architecture + project setup (20%) Milestone 2 – Navigation + tier routing + dashboards (30%) Milestone 3 – Search screen + instrument detail template (20%) Milestone 4 – Portfolio template + user system (20%) Milestone 5 – Documentation + final cleanup (10%) ===================================================================== GOAL ===================================================================== Deliver a stable, professional, scalable Flutter foundation that will allow us to build one of the most advanced AI-powered trading apps in the world. UPDATED TECHNICAL CLARIFICATIONS Subscription tiers We use five subscription levels: Copper, Silver, Gold, Platinum, and Diamond. Copper, Silver, Gold, and Platinum all load the same basic dashboard module (DashboardBasic). Diamond loads a separate Diamond dashboard module (DashboardDiamond). Access rules can be client side for now, but the structure must support future server side validation through Supabase user metadata. Backend preference Supabase is preferred because of SQL, structured data, and long term scalability. However, if Firebase provides better stability for the foundation, you may recommend it. Architecture conventions To ensure long term scalability, please follow: - Modular architecture - Clear separation of data, domain, and UI layers - Repository pattern for all external data sources - Riverpod for state management - Folder structure prepared for future API integrations Mock data For the initial implementation, please include minimal example data: - 2 or 3 fake instruments (stocks or ETFs) with basic fields - A portfolio with 1 or 2 example positions - A few mock transactions for display purposes This is only for structure, not real calculations. Dashboard placeholders We want two dashboard placeholder modules: 1. DashboardBasic for Copper Silver Gold Platinum 2. DashboardDiamond for Diamond tier only The placeholders should contain simple labeled sections only. No styling, charts, logic, or animations are required. Instrument details page Use a clean template with sections for: - Chart placeholder - News placeholder - Signals placeholder - Basic instrument info - Order button placeholders (not functional) Portfolio A simple portfolio page using mock data showing balance, PnL, and positions. The layout should allow easy connection to a real trading engine later. Payment and platform requirements - Must support both Android and iOS - Must support modern devices - Must support future Apple Pay and Google Pay integration for subscription payments (not implemented now, only structure prepared) Documentation requirements The final delivery must include: - Architecture overview - Folder structure explanation - Setup guide for Android and iOS - Explanation of where to plug in real APIs later - Clear description of how tiers and dashboards are connected This foundation will be used to build an advanced trading experience later, so clean modular code is the highest priority.
Proje No: 40048627
18 teklifler
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18 freelancer bu proje için ortalama $476 USD teklif veriyor

I will build a clean, scalable Flutter architecture using Riverpod, Repository pattern, and modular structure, fully prepared for Supabase/Firebase backend, real-time data, high-frequency updates, and future integrations like payments & AI modules. The delivery will include: Authentication with tier-based routing (Copper–Diamond) Navigation with modular pages (Home, Search, Markets, Portfolio, Settings) Two dashboards (Basic & Diamond) Search + Instrument detail + Portfolio templates using mock data Full documentation covering architecture, extension points, and integration guidelines Android + iOS builds with clean folder structure and best practices Estimated Timeline: 4–5 weeks Milestones: As defined in your scope. I’ve previously architected scalable Flutter apps with clean separation of layers and real-time market modules and can provide code samples/demo projects upon request. Happy to discuss next steps and start immediately. Regards,
$500 USD 7 gün içinde
7,0
7,0

Hello, I will develop your 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
$250 USD 20 gün içinde
6,6
6,6

Hi There!!! ⚜⭐⭐⭐⭐⚜(( Building a clean, scalable Flutter foundation for a future-ready trading app ))⚜⭐⭐⭐⭐⚜ You are seeking a Flutter developer to deliver a robust, modular, and high-performance app foundation. The focus is on authentication, tiered dashboards, clean navigation, and portfolio/search templates using placeholders. No trading logic, charts, or UI-heavy elements are needed now, but the architecture must be prepared for future integrations, real-time data, and subscription payments. I bring solid experience in Flutter development, clean architecture, and Riverpod-based state management. I have successfully built modular apps with clear separation of UI, logic, and data layers, ensuring scalability and maintainability for complex applications. I propose structuring the app with a modular folder layout, repository pattern for backend readiness, placeholder dashboards, and mock portfolio data to quickly hand off a solid foundation for future advanced features. Key features include tier-based dashboard routing, modular architecture, and a mock portfolio with navigation-ready pages. I am ready to start immediately and deliver well-documented, maintainable code. Warm Regards, Farhin B.
$256 USD 15 gün içinde
6,3
6,3

As a seasoned Flutter developer with over a decade of experience, and the leader of a highly skilled team at Prajapati Technologies, we bring not just expertise but also an in-depth understanding of modern financial applications. While your project may seem UI-light it is crucial to realize the value of a rock-solid foundation with clean, scalable and high-performance architecture; this is where our skills truly shine. Our strong suit in dealing and integrating with backend systems aligns perfectly with your needs. As requested, we have worked with Supabase and Firebase and are familiar with the structure that modern applications require for real-time updates and high-frequency data processing. Rest assured, your project's documentation will be up to standards providing clear explanations, setup instructions, tier system details etc. At Prajapati Technologies, we believe in building success by providing satisfaction to our clients and their businesses. Partnering with us means gaining access to punctual delivery without compromising on quality. Your project requires someone who understands the vision at the core i.e delivering a solid base for you to build upon, while respecting your specific requirements identified. We look forward to powering your trading app foundation so you can continue to build an outstanding product on top!
$450 USD 7 gün içinde
4,5
4,5

Hi, I went through your detailed vision for the trading app foundation and I really appreciate how clearly you have defined the scope. Building a clean scalable and future ready architecture is something I enjoy because it creates a solid base for advanced features like real time data engines and AI driven modules. Your focus on modular structure tier based routing repository pattern clean separation of layers and Riverpod state management aligns perfectly with how I structure long term mobile products. Your core goals include structured authentication templates for dashboards modular navigation prepared data layers mock portfolio and instrument templates. With more than seven years of experience in mobile development backend integration system architecture and maintainable UI builds I can deliver a robust Flutter foundation that is easy to extend while staying fast and organized. I always prioritise clarity predictability and smooth performance so future teams can continue building without friction. I believe this project will benefit from a well planned architecture that evolves comfortably as your trading engine expands. I would enjoy collaborating with you on this ambitious product. Let us schedule a quick chat to align your vision and next steps. Best Regards, Prasham Jain
$254 USD 14 gün içinde
4,6
4,6

Hi As a seasoned Flutter developer with over 7 years of experience, handling complex projects and ensuring a top-notch user experience is my strong suit. My skillset is highly aligned with your requirements and I can certainly deliver the clean, scalable, and high-performance architecture you need for your financial trading app. Being a full-stack developer equips me with the ability to build a solid backend system that aligns seamlessly with modern technologies -- exactly what you're looking for in terms of backend compatibility. My extensive knowledge extends to state management - considering your preferred Riverpod or Bloc for this project - as well as integration of various third-party services such as Apple Pay, Google Pay, and Stripe Subscriptions. Importantly, my past projects have given me the skills necessary to develop modular folder structures and navigation designs. For instance, I can ensure that the two required dashboards: 'DashboardBasic' and 'DashboardDiamond' are perfectly routed upon login. Moreover, documenting my code for easy extension, future integration of real-time APIs or payment systems, and clarifying how the tiers, AI modules, charts, and news engine would be integrated are not new to me. I understand that comprehensive documentation plays a vital role in facilitating the transition for development teams post my involvement and will be fully committed to delivering the required documentation even exceeding your expectations. Thanks....
$750 USD 7 gün içinde
4,3
4,3

Hello, I AM READY TO TRANSFORM YOUR CONCEPT INTO A FULLY FUNCTIONAL, SCALABLE PRODUCT. Your vision for a clean, scalable foundation for a high-end trading app is impressively clear. You’re not looking for UI polish—you’re looking for architecture that won’t collapse when real-time data, AI modules, and heavy feature layers start stacking in. With 8+ years building modular, future-proof Flutter architectures, I understand how critical it is that your tier system, navigation, repository layers, and dashboard modules remain stable no matter how complex the final product becomes. Your focus on Riverpod, clean separation of layers, Supabase-ready structures, and strict documentation shows you want a base engineered for long-term evolution, not quick patches. → A rock-solid folder and architectural structure that your entire team can build on confidently → Smooth, predictable navigation and tier routing that stay maintainable even as new modules appear → A backend-ready foundation that supports real-time market data, AI engines, and high-frequency updates later I appreciate how clearly you’ve scoped what not to build—this ensures every hour goes into core robustness. Your goal of creating one of the world’s most advanced AI-powered trading apps deserves an equally advanced foundation. If you'd like, I can outline the architecture flow before coding so you can confirm the long-term extensibility. Best regards, Sushma S.
$300 USD 7 gün içinde
5,0
5,0

As an accomplished Flutter developer with a diverse background in software development spanning front-end, back-end, and database management, I am the ideal candidate for your project. I have a particular proclivity for creating clean and scalable architectures that provide powerful foundations for advanced applications. My expertise with Flutter combined with sound knowledge of architectural principles will ensure that your trading app's foundation is robust, performant, and flexible. In tackling your first requirement- Authentication & User System- my prodigious experience with API development will be invaluable in implementing seamless email login, registration, and tier handling features. With respect to navigation, I am well-versed in crafting modular folder structures and as such will deliver an application structure that is easy to maintain and highly adaptable as you integrate more advanced features.
$250 USD 7 gün içinde
3,7
3,7

Hello, I have extensive experience building scalable, clean Flutter architectures and can deliver a professional foundation for your trading app. I will implement the user system with tier-based dashboard routing, modular navigation, placeholder dashboards, portfolio templates, and search/instrument screens with mock data. The architecture will be fully prepared for Supabase integration, real-time updates, and future payment or AI modules. I will provide full Flutter source code, clear folder structure, and detailed documentation explaining navigation, tiers, module extension, and backend integration points. The project will follow best practices with Riverpod state management, modular code, and clean separation of layers. Looking forward to working with you! Can we discuss this further via private chat? Warm regards, Alesha
$499,99 USD 7 gün içinde
1,4
1,4

Dear Client, Good morning . How are you? I hope this proposal finds you well. I'M A CERTIFIED & EXPERIENCED EXPERT This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills, (Android, Architecture, Documentation, Software Development, Software Architecture, Flutter, Mobile App Development, API Development and Mobile Development), as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. THANK-YOU & WELCOME.
$750 USD 1 gün içinde
0,0
0,0

Hello, I understand you need a senior Flutter developer to deliver a clean, scalable foundation for an AI-driven trading app—user system, tiered access, navigation, core screens, and architecture—without implementing the final trading logic or advanced UI. I’ve built modular Flutter apps with Clean Architecture, Riverpod/Bloc, and real-time backends (Firebase/Supabase), so separating UI, domain, and data layers for future engines and AI modules is straightforward for me. My approach: - Set up a robust project structure with modern navigation - Implement Auth, user profiles, and tier-based routing (Copper–Diamond) - Build placeholder dashboards and core pages (Home, Search, Markets, Instrument, Portfolio) - Create search + instrument detail templates with all required placeholders - Implement a mock portfolio system and backend-ready data layer - Deliver full documentation (architecture, extension guides, API blueprints, setup steps) I can follow your milestone plan and ensure the codebase is production-grade and easy for your internal team to extend. Thanks
$1.200 USD 7 gün içinde
0,0
0,0

Drawing upon my extensive experience and expertise in Android and API Development, I am well-prepared to take on the task of building the essential foundation for your cutting-edge trading application. Throughout my years in the software development industry, I have consistently delivered clean, scalable, and high-performance code that forms the backbone for complex applications. I am especially proficient in Flutter- an important skill you've explicitly mentioned for this project. I am ready to translate this capability into delivering a modern, professional design that adheres to your architecture requirements atop Flutter. Lastly, on documentation concerns that you emphasized: meticulous documentation is an integral part of my work process and one I take very seriously. Rest assured knowing that when this project concludes, you'll have a comprehensive documentation covering all the critical aspects you've specified – from constructing briefs on how to extend modules to explaining detailed navigation structures. I'm confident of delivering the foundation you need to bring your vision for this financial trading application to life. Let's get started!
$253 USD 1 gün içinde
1,2
1,2

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