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Hi, I’m looking for an experienced Flutter Developer to complete the frontend of an advanced Horse Racing Intelligence Platform. The backend is approximately 90–95% complete and built with FastAPI + PostgreSQL. The APIs, business logic, scoring engine, import workflow, and analytics engine are already implemented. I need someone who can build a professional production-grade Flutter application that connects to the existing backend. Scope of Work * Develop a modern Flutter application for Android, iOS, Windows, macOS, and Web. * Replace all current mock data with live API integration. * Build an intuitive dashboard for race analysis. * Create race workspace screens. * Horse Intelligence Profile pages. * Horse comparison screens. * Factor Ledger visualization. * Confidence and Risk indicators. * Live race import screens (CSV, Excel, PDF when available). * Progress indicators for long-running imports. * Search, filters, and race history. * Responsive UI for desktop and mobile. * Dark and Light themes. * Clean state management (Riverpod, Bloc, or Provider). * Error handling, caching, and offline support where appropriate. Existing Backend Features * FastAPI REST APIs * PostgreSQL database * Horse Intelligence Engine * Adaptive Handicapping Engine * Stable Intelligence Engine * Factor Ledger * Live Race Import * Trackwork Processing * Confidence Scoring * Race Recalculation * Top 3 Prediction Engine Skills Required * Flutter * Dart * REST API Integration * Responsive UI * Material Design * State Management (Riverpod/Bloc preferred) * Charts and Data Visualization * Git Deliverables * Production-quality Flutter application * Complete API integration * Responsive UI across all supported platforms * Clean, maintainable code with documentation * Testing and bug fixes before delivery Please share: * Your Flutter portfolio * Similar dashboard or analytics applications you’ve built * Your estimated timeline * Your fixed-price or hourly quote This is a long-term project, and there may be future work after the initial frontend is completed.
Project ID: 40547450
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123 freelancers are bidding on average ₹26,695 INR for this job

Hi there, I see you are seeking a Flutter Developer to enhance the front-end of your Horse Racing Intelligence Platform. With the foundation of your backend in FastAPI and PostgreSQL, the seamless integration through Flutter will ensure an efficient and dynamic user interface. My approach will focus on ensuring the responsiveness of the mobile app across both Android and iPhone, utilizing Flutter's capabilities to its fullest. For a cohesive workflow, employing Git will help streamline our version control, ensuring consistency and ease of updates. I am well-versed in Dart, which will be pivotal for implementing complex UI components and animations that enhance user engagement. Additionally, I can efficiently interface with PHP components if the need arises, bridging any gaps between your frontend and backend technologies. Looking forward to collaborating with you to bring this advanced platform to life. Best Regards, Khorshed Alam, RS Software
₹30,000 INR in 7 days
9.5
9.5

Hi there, As the backend is already 90–95% complete, I can focus entirely on building a production-ready Flutter frontend and integrating it with your existing FastAPI APIs. I'll replace all mock data with live API responses while ensuring the application remains fast, responsive, and consistent across Android, iOS, Windows, macOS, and Web. I will build the dashboard, race workspace, Horse Intelligence profiles, comparison screens, Factor Ledger visualizations, confidence indicators, search, filters, import progress screens, and implement clean state management, caching, offline support, and proper error handling to make the application production-ready. I have a few question and I would request we connect once so we can discuss the remaining frontend scope, after which I'll share a detailed timeline and implementation plan. Thanks, Rahul A.
₹35,000 INR in 7 days
8.5
8.5

I'm a Flutter developer with experience building data-driven dashboards and analytics apps, making me a strong fit for your Horse Racing Intelligence Platform. I'll replace all mock data with live API integration from your FastAPI backend, build the full dashboard for race analysis, race workspace screens, Horse Intelligence Profile pages, comparison screens, Factor Ledger visualizations, Confidence and Risk indicators, live race import screens, and search/filter/history views. I'll implement Riverpod for state management, support dark and light themes, and ensure responsive UI across Android, iOS, Windows, macOS, and Web. Clean, maintainable code with proper error handling, caching, and offline support. Regards, Harsh Thoriya
₹35,000 INR in 7 days
8.6
8.6

I'm glad to have the opportunity in front of me to pitch for this incredible project. Given my extensive experience of over 11 years in full-stack development, with focused expertise in both front-end and back-end development, I firmly believe that I can deliver exactly what you're looking for. I have a deep understanding of API integrations, responsive UI design, and state management systems like Riverpod and Bloc - skills that are critical to developing the advanced horse racing intelligence platform you need. I've had the chance to work on similar dashboard/analytics applications before, so I understand the all-inclusive approach required for this project. My proficiency in Flutter and Dart aligns perfectly with your requirements for a modern, scalable application across multiple platforms. My years of working with REST APIs will help me seamlessly replace all mock data with live API integration while ensuring error handling, caching, and offline support. Moreover, I am meticulous about building clean, maintainable code. This means not only will I deliver a production-grade app with complete API integration and responsive UI but also guarantee thorough testing to identify and fix any bugs before delivery. Your long-term project needs require a competent developer who is able to adapt and take charge when needed - I am confident that I fit the bill perfectly. Let's connect and discuss further details!
₹40,000 INR in 7 days
8.2
8.2

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
₹25,000 INR in 7 days
7.1
7.1

Your FastAPI backend is solid, but I've seen production Flutter apps fail when developers treat cross-platform as "write once, run everywhere." Windows and macOS desktop builds require different navigation patterns than mobile. Web builds hit CORS issues if your FastAPI endpoints aren't configured for browser preflight requests. If your race import workflow processes 10,000+ rows, you'll need WebSocket streaming or chunked responses - standard REST calls will timeout. Quick question - does your PostgreSQL schema support optimistic locking for concurrent race updates? And are your FastAPI endpoints paginated for large datasets like race history? Here is the architectural approach: - FLUTTER MULTIPLATFORM: Build adaptive UI using platform-specific widgets (Cupertino for iOS, Material for Android, custom navigation for desktop) so the app feels native on each OS, not like a stretched mobile app. - FASTAPI INTEGRATION: Implement Dio HTTP client with retry logic, request queuing for race imports, and WebSocket listeners for real-time confidence score updates during live races. - STATE MANAGEMENT: Use Riverpod with code generation for type-safe API calls, automatic cache invalidation when race data changes, and offline-first architecture using Hive or Drift for local persistence. - DATA VISUALIZATION: Integrate fl_chart for Factor Ledger trends and syncfusion_flutter_charts for horse comparison matrices with drill-down interactions. - RACE IMPORT UX: Build chunked file upload with progress streams, background isolates for CSV parsing to prevent UI freezing, and rollback handlers if import validation fails mid-process. I've built 4 Flutter dashboards for fintech and sports analytics platforms that handle real-time data streams and complex visualizations. Let's schedule a 20-minute call to review your API contracts and confirm the desktop deployment strategy before scoping the timeline.
₹22,500 INR in 7 days
6.6
6.6

Hello, I have strong experience building cross-platform Flutter applications with responsive dashboards, REST API integration, Riverpod/Provider state management, charts, and clean architecture. I'm comfortable integrating your existing FastAPI + PostgreSQL backend and replacing all mock data with live APIs. I can deliver a production-ready app for Android, iOS, Web, Windows, and macOS with responsive UI, dark/light themes, caching, error handling, and maintainable code. I'd be happy to share relevant Flutter projects and discuss the timeline and pricing based on your final scope. I'm also interested in a long-term collaboration.
₹30,000 INR in 7 days
6.4
6.4

As the vibrant and experienced Flutter Developer you are actively looking for, I bring to the table a decade worth of practice in full-stack development and digital solutions delivery. Having built over 100 successful projects in my career, largely focused on website and mobile application development, I assure you that your Horse Racing Intelligence Platform will be in safe hands with me. My familiarity with the Flutter framework, which is one of my core skills, gives me an upper hand in crafting an intuitive and professional race analysis dashboard with a clean state management system using Riverpod or Bloc as preferred. Furthermore, the backend features you've highlighted; FastAPI REST APIs and PostgreSQL database, coincide with my extensive expertise. This allows me to readily integrate live API data, showcasing my understanding of restful API integration. Lastly, I'm not just committed to developing a modern responsive Flutter application across all supported platforms, but also to delivering clean code/documentation, rigorous testing prior to delivery HRESULTs that align with your vision for the project. With my reliability, fastidiousness in ensuring error-handling and establishing offline support provisions - even during long-running imports - this project's longevity is guaranteed. Let's actualize your vision together!
₹27,500 INR in 7 days
6.4
6.4

I have read your job post and I am a Flutter Developer with experience in Flutter, Dart, FastAPI integration, REST APIs, Riverpod, PostgreSQL, and cross-platform application development. I have built dashboard-based applications with data visualization, analytics, API integration, responsive layouts, offline support, and clean state management. For your project, I will develop a production-ready Flutter application for Android, iOS, Windows, macOS, and Web by connecting your existing FastAPI backend to live data. I will implement race dashboards, horse profiles, comparison screens, charts, search, filters, import progress tracking, dark/light themes, caching, and robust error handling. The code will be clean, scalable, well documented, and easy to maintain for future enhancements. Are the FastAPI APIs fully documented with Swagger/OpenAPI, or will API documentation be provided separately before development begins?
₹25,000 INR in 20 days
6.1
6.1

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹12,500 INR in 10 days
6.7
6.7

Hi, Two things stand out: Flutter across mobile + desktop/web, and a data‑heavy racing intelligence dashboard tied to an almost‑finished FastAPI/Postgres backend. Here’s how I’d tackle the first milestone: Wire existing APIs into the current Flutter UI, replacing all mock data with live race, horse, factor, and scoring data. Implement clean state management (Riverpod/Bloc) for dashboard, race workspace, horse profiles/comparisons, and factor ledger views. Build responsive layouts with dark/light themes for mobile + desktop, then layer charts, confidence/risk indicators, and import progress states. Relevant work (you’ll swap in your own links): Flutter analytics/dashboard app: <link> Data‑visualization or sports/odds app: <link> Ballpark estimate: Given the scope (multi‑platform Flutter, rich analytics UI, imports, caching/offline, testing), I’d expect roughly 4–6 weeks of focused work, around ₹39,000–₹49,000 INR for the initial frontend phase, broken into milestones (API wiring, core dashboards, imports, polish + testing). If you’d like, I can start with a small paid slice: one end‑to‑end race analysis dashboard (live API + state + charts) as a pattern, then scale the rest of the screens from that.
₹25,000 INR in 7 days
5.7
5.7

As someone who loves going the extra mile to deliver top-notch work, I firmly believe that I'm the best fit for your horse racing platform project. My extensive knowledge and experience in Flutter and Dart can help take your existing FastAPI + PostgreSQL backend to new heights on all platforms. On top of building a professional-grade Flutter application that seamlessly integrates with your backend, I have demonstrated proficiency working on sensitive aspects like race analysis dashboard/interfaces, factor ledgers visualization, data filtering/sorting/searches & error handling. Notably, my mastery of interactive UI design linking data charts with interpretation features brings an added dimension to my skillset that is crucial for this project.
₹12,500 INR in 1 day
5.9
5.9

Hi, I reviewed **Flutter Developer for Horse Racing Platform** and I'm confident I can deliver exactly what you're looking for. With hands-on experience in **PHP, Mobile App Development, Android, Flutter**, I build professional, scalable, and user-focused solutions that are designed for performance and growth. I believe in clear communication, quality work, and on-time delivery. I'd love to discuss your project and share ideas that can add even more value. View some of my previous work: Looking forward to hearing from you.
₹30,000 INR in 7 days
5.8
5.8

As a seasoned Flutter developer with over 5 years of experience, I specialize in app development end-to-end. From UI design to backend integration, I've handled it all. My skills align perfectly with your requirements, from Material Design-based UI implementation to REST API integration and responsive UI for multiple platforms including Android, iOS, Windows, macOS, and Web - I have done it all. Some of my previous projects can be seen in my live portfolio such as the Victoria UAE Real Estate app, Victoria Direct Sales app, and IVI Cryptos app – all actively being used in their respective domains. Also worth mentioning is my experience with Riverpod, the state management tool of choice you've specified. I understand the complexity of your Horse Racing Intelligence Platform and the need to establish a clean balance between the frontend and backend. With my expertise in connecting Flutter interfaces with complex databases like PostgreSQL using APIs like FastAPI - you're assured a seamless transition. May I have more insights into the timeline you're working within?
₹25,000 INR in 7 days
6.3
6.3

✋ Hi there. I can build this Flutter frontend for your horse racing platform with full API integration, responsive dashboards, and data visualization. ✔️ I have rich experience building Flutter applications with complex data visualization and recently delivered a similar analytics dashboard with Riverpod state management, REST API integration, and cross-platform support. I will develop this by connecting your FastAPI endpoints, building the dashboard and race workspace screens with charts and confidence indicators, implementing horse intelligence profiles and comparison views, adding live race import screens with progress tracking, and ensuring responsive design across Android, iOS, Windows, macOS, and Web with dark and light themes. Please click the 'Chat' button to start our valuable conversation. Looking forward to collaborating with you! Best regards, Mykhaylo
₹25,000 INR in 7 days
5.6
5.6

Hi, I understand the focus is on replacing mock data with live FastAPI integrations, building responsive dashboards, race analysis workspaces, Horse Intelligence profiles, data visualizations, imports with progress tracking, and ensuring the app performs seamlessly across Android, iOS, Web, Windows, and macOS. My approach is to build the frontend with a clean, scalable architecture using **Riverpod** for state management, efficient API integration, responsive layouts, caching, and robust error handling. The goal is to deliver a maintainable application that feels fast and consistent across every supported platform while making future enhancements straightforward. I have experience developing Flutter applications with REST API integrations, responsive dashboards, charts, authentication, and production deployments. I focus on writing clean, maintainable code and working comfortably with established codebases and Git-based workflows. One quick question: do you already have the UI/UX designs finalized (Figma or similar), or will the frontend be built from existing wireframes and backend requirements? I'd be excited to contribute to the long-term success of this platform and help deliver a production-ready frontend. Looking forward to hearing from you!
₹25,000 INR in 7 days
5.8
5.8

Hi, I am a Full Stack Developer with 14+ years of experience building web and mobile applications. - 14+ years of experience - Flutter, Dart, Laravel, PHP, REST APIs, MySQL, PostgreSQL - Clean, responsive, and scalable applications - Strong experience with API integration and dashboards - Quality work, fast communication, and on-time delivery I can complete your project quickly with the best quality. Let's discuss the details and get started.
₹25,000 INR in 3 days
5.3
5.3

Hi, I would like to grab this opportunity and will work till you get 100% satisfied with my work. I just applied after read your job posting carefully and I believe that I am good fit to your project. I'm a serious bidder. I will satisfy you with my high skills! I am an expert which have 10+ years of experience on Mobile App Development, iPhone, User Interface / IA, PhoneGap, Mobile App Testing, Swift, Google Maps API, Web Development, iOS Development, Mobile Development I am looking forward to meet you to discuss the further detail about this project. Looking forward to hearing from you. Warm Regards
₹12,500 INR in 3 days
5.3
5.3

As an experienced Full-Stack Developer with a particular focus on Flutter and Dart, I can confidently ensure the seamless integration you need to make your horse racing intelligence platform a success. Having worked professionally for over 7 years, my previous projects have equipped me with the skills to develop high-caliber, production-grade applications that are compatible across all platforms such as Android, iOS, Windows, macOS, and Web - precisely in line with your project requirements. My expertise extends beyond mere application development. I am practiced in state management using tools (Riverpod/Bloc) that you hold a preference for. I also possess mastery in charts and data visualization that will be instrumental in creating the race analysis dashboard you've outlined. Moreover, proven project management skills such as clean state management, error handling, caching, and offline support will further solidify the reliability and performance of your app. In line with your need for a developer able to continue into future phases of your project, my work is always characterized by clean and maintainable code with meticulous documentation. This aids not only myself but any future- developer who comes onto the project. Choosing me means choosing an inclusive skillset alongside a solid work ethic. Let's bring your horse racing intelligence platform to its apex together!
₹35,000 INR in 7 days
4.4
4.4

I’m an experienced full-stack developer with strong expertise in Flutter, API integration, and building data-heavy analytics dashboards. I’ve developed production-grade Flutter apps using REST APIs, Riverpod/Bloc state management, and real-time data visualization with charts and interactive UI components. For your Horse Racing Intelligence Platform, I would focus on converting your FastAPI backend into a responsive, multi-platform Flutter frontend with clean architecture, modular screens, and efficient state handling. Key areas like race dashboards, intelligence profiles, factor ledgers, and confidence scoring would be built with scalable UI components and optimized API caching. I’m comfortable working with complex data systems and delivering polished, production-ready applications across mobile, desktop, and web.
₹25,000 INR in 7 days
4.4
4.4

Anantapur, India
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