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Design and build a structured, scalable software and backend Database integration for multiple entities and relationships Misc needs REST API or GraphQL endpoints Desktop and Mobile Applications Desktop app (Windows / macOS) Mobile app (iOS and Android) Ensure data sync between platforms UI Implementation Translate provided mockups into working interfaces Implement buttons, forms, tables, and navigation per design Skills Required: Full-stack development experience Desktop app development (Electron, .NET, or similar) Mobile app development (React Native, Flutter, or similar) Ability to implement design mockups accurately Experience integrating backend APIs with frontend interfaces Deliverables: Fully working desktop and mobile apps Integrated UI from provided mockups Clean, maintainable, modular code Documentation for setup, usage, and deployment Optional: Push notifications, offline support, or real-time updates Instructions for Applicants: Provide examples of multi-platform apps you’ve built Describe how you handle UI implementation from mockups Share your estimated timeline for a project of this scale
ID do Projeto: 40136850
167 propostas
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Ativo há 21 dias
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167 freelancers estão ofertando em média $582 USD for esse trabalho

Hi There, 1. Design and build a structured, scalable software and backend... ==> We have read your project details carefully. It looks like you need a complete system with a strong backend, database, and API. We have done similar projects in the past. One of our previous works was a financial dashboard app where users could create custom branded invoices directly from their mobile device, which was a very helpful feature for small business owners. We understand the need for both desktop and mobile apps that stay perfectly in sync. We got an idea about your needs. Instead of React Native, we would suggest using Flutter. It will allow us to build the iOS, Android, Windows, and macOS apps from a single codebase, which saves time and ensures everything looks and works the same everywhere. ## Queries : 1. If a user makes changes on a mobile device while offline, and another user updates the same data on the desktop app, how should the system decide which change to keep when the mobile device comes back online? ## Initial Project Structure : - Login/Signup - Main Dashboard - Data Entry Form - Reports/Analytics View - Data Table/List View - Settings - User Profile We use advanced AI tools (Cursor, Claude, ChatGPT) to speed up coding and reduce manual work hours. We pass these time-savings to you, providing a high-quality app at a very competitive price. Waiting for your reply. :-) Regards, Ghanu & Samir. KESHAV INFOTECH
$487 USD em 15 dias
9,6
9,6

Hello, I'm Muhammad Awais. I will design and build a scalable cross-platform accounting dashboard with a robust backend, supporting multiple entities and relationships, and data sync across Windows/macOS desktop apps and iOS/Android. I’ll implement a flexible API layer (REST or GraphQL) and pick Electron for desktop plus React Native or Flutter for mobile. I will translate your mockups into precise UI components—buttons, forms, tables, and navigation—keeping the code modular, clean, and well documented. I will model your data clearly, develop API-first backend, implement reusable UI, and ensure reliable cross-platform sync with optional offline support and real-time updates. Deliverables include fully working apps, integrated UI, setup and deployment docs, and maintainable code. What entities and key relationships should be modeled first, and are there any data migration considerations? Do you have a preferred mobile framework (React Native or Flutter) and a desktop path (Electron, .NET) or should I propose based on the project needs? What authentication and security requirements should the API enforce (OAuth, JWT, roles)? Is offline mode and push notifications needed, and how should data sync handle conflicts and latency? What is the project timeline for MVP vs final release, and any compliance or audit needs (GDPR, PCI-DSS, logging)? Best regards,
$750 USD em 13 dias
9,1
9,1

Greetings, I understand you need a structured, scalable software solution with a backend supporting multiple entities, relationships, and REST or GraphQL APIs, along with fully integrated desktop (Windows/macOS) and mobile (iOS/Android) apps. The project includes translating your mockups into working interfaces with forms, tables, buttons, and navigation, ensuring cross-platform data sync and clean, maintainable code. Before we start, could you clarify 1, Do you prefer Electron or .NET for the desktop app stack, and React Native or Flutter for mobile? 2, Are there any real-time features or offline support required from the outset, or are those optional later? 3, How many core entities and relationships should the backend manage initially? Our team includes full-stack developers experienced in Electron, .NET, Flutter, and React Native, with a strong track record of building multi-platform apps that mirror mockups accurately, integrate with backend APIs, and maintain cross-platform data consistency. We provide modular code, documentation, and optional features like push notifications and offline sync. Let us connect to review your mockups, define the tech stack, and plan milestones, the current bid amount is a placeholder to submit this proposal. Regards Yasir LEADconcept PS: We can share examples of multi-platform applications we’ve built, detailing UI implementation from mockups and backend integration.
$500 USD em 7 dias
9,2
9,2

Hello, I have read your requirement to design and build a structured, scalable software system with a robust backend and fully synced desktop and mobile applications. I can do that, and I have 8+ years of experience in full-stack development, mobile app development, and desktop applications. I have successfully delivered more than 200+ production-ready apps and systems, including multi-platform solutions used daily by real users. I work with clean, modular architectures and scalable databases, designing proper entity relationships and secure REST or GraphQL APIs that can grow with your product. On the frontend side, I translate provided mockups into pixel-perfect, functional interfaces, implementing forms, tables, navigation, and workflows exactly as designed. I am comfortable working with Electron or .NET for Windows and macOS, and React Native or Flutter for iOS and Android, ensuring consistent behavior and reliable data synchronization across all platforms. I focus heavily on maintainable code, clear API contracts, and smooth integration between backend and frontend. Where needed, I can also implement push notifications, offline support, and real-time updates. Along with the final applications, I provide clear documentation for setup, deployment, and future maintenance. Looking forward to discussing your project in detail.
$750 USD em 28 dias
8,0
8,0

Hi, this is Elias from Miami. Got it — you need a structured backend (multi-entity database + relationships) with clean REST/GraphQL, then a desktop app (Win/macOS) and a mobile app (iOS/Android) that stay in sync. You’ll provide mockups and you want them implemented accurately (tables, forms, navigation, etc.), with clean modular code + solid docs. I’ve built multi-platform systems like this before: shared backend + desktop + mobile, with a consistent UI layer and predictable data syncing. For desktop I’d lean Electron (fast cross-platform) or .NET if you prefer native Windows-first. For mobile, React Native or Flutter both work — depends on what your UI needs and how strict the design is. How I handle mockups: I turn them into a component library first (buttons, inputs, tables, layouts), then build screens on top of that so the app stays consistent and easy to extend. Backend comes with proper auth, versioned endpoints, and a clean data model so you’re not patching later. A few quick questions: Q1: Do you need real-time sync (WebSockets) or is “refresh + background sync” enough for v1? Q2: Any must-have auth/roles (admin vs user, permissions) or is it single-role for now? Q3: Are mockups in Figma, and do you already have a design system (colors/fonts/components) or should I define it from the screens? Thanks, Elias
$500 USD em 7 dias
7,8
7,8

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 11+ years of proven experience in full-stack, desktop, and mobile development and confidently understand your requirements. The goal is to deliver a scalable, synchronized accounting dashboard across all platforms with a clean, user-centric design. *** Cross-platform apps: Desktop (Windows/macOS) & Mobile (iOS/Android) with seamless data sync *** Backend: REST or GraphQL APIs integrating multi-entity relational databases *** UI/UX: Accurate implementation of mockups including forms, tables, buttons, navigation, and responsive layout *** Data handling: Real-time updates across platforms, optional push notifications, offline support *** Modular architecture: Maintainable, clean codebase for long-term scalability *** Admin & user workflows: Role-based access, multi-entity management, and secure authentication *** Documentation: Setup, deployment, and usage guides for easy handover My approach ensures efficient integration, clean architecture, and agile workflow while translating mockups into fully functional interfaces. I have some queries regarding entity relationships and optional features before starting. Thanks Julian
$300 USD em 7 dias
8,5
8,5

I AM A FLUTTER DEVELOPER I would be excited to work on this project and deliver a solid, scalable multi platform system that is easy to grow over time. My approach would be to build a clean backend using Python FastAPI, which is ideal for structured, high performance REST or GraphQL APIs, strong data validation, and long term maintainability. The backend would be designed around well defined entities and relationships, with a database schema that supports future expansion and clean migrations. For the client applications I would use Flutter to deliver both the mobile apps for iOS and Android and the desktop apps for Windows and macOS from a single shared codebase. This ensures consistent behavior, synchronized features, and faster development while still providing a smooth native experience on each platform. I have strong experience translating design mockups into pixel accurate, responsive Flutter interfaces, including forms, tables, navigation flows, and complex interactive screens, while keeping the UI modular and easy to maintain. I would implement secure API integration, reliable data sync between platforms, and a clean state management layer so all apps stay consistent in real time. If needed, I can also add push notifications, offline support, and live updates. I will provide clean, well documented code, setup and deployment guides, and a clear timeline so your team can maintain and extend the system with confidence.
$2.500 USD em 21 dias
7,5
7,5

Hi Mathew, I will design and build a structured, scalable software and backend for the Cross-Platform Accounting Dashboard App. This includes database integration, REST API/GraphQL endpoints, desktop and mobile applications, data sync, and accurate UI implementation from mockups. Let's discuss this further. Regards, Sai Bhaskar
$440 USD em 10 dias
7,4
7,4

With my extensive experience in cross-platform application development, especially within the realms of iOS, Android, and Flutter app development, I am confident in my ability to manage your accounting dashboard project with utmost efficiency. My proficiency in Electron, .NET, and similar frameworks also ensures smooth desktop app development. Moreover, I have a proven history of implementing UI designs accurately and have keen eye for details that can turn your provided mockups into visually appealing and functionally efficient user interfaces. In regards to your database integration needs, I am skilled at creating RESTful-APIs as well as integrating backend APIs with frontend interfaces. Additionally, my focus on clean, maintainable and modularized code aligns well with your project’s expectations of a structured and scalable software To give you an estimate on project timeline, it is advisable to spend adequate time toward architectural design before delving into actual implementation. After reviewing the detailed requirements and working closely with you during design phase, I can provide a more concrete timeline. To summarize, I bring passion for ensuring seamless user experiences across multiple platforms through carefully crafted apps. Given a chance I will prove to be the excellent choice!
$500 USD em 7 dias
7,2
7,2

Hi, I am excited about the opportunity to design and build your cross-platform accounting dashboard app. With extensive experience in full-stack development and proficiency in creating desktop applications using Electron and mobile apps with React Native, I am fully equipped to handle the requirements of your project. My approach ensures seamless integration of back-end APIs with user-friendly front-ends, accurately translating mockups into functional interfaces. I’ve developed similar multi-platform solutions that ensure data sync and provide excellent user experiences. I propose a timeline of approximately 8 weeks to deliver fully functional apps, complemented by comprehensive documentation. What specific features or components would you like to prioritize during development?
$250 USD em 9 dias
6,7
6,7

Hi I am a full-stack developer with extensive experience building scalable multi-platform applications, including desktop (Electron/.NET) and mobile (React Native/Flutter) apps. A key technical challenge is ensuring seamless data synchronization across platforms while translating design mockups into fully functional, responsive interfaces with buttons, forms, tables, and navigation. I can implement a modular backend with REST or GraphQL endpoints, integrated with both desktop and mobile frontends, ensuring consistent performance and maintainability. The delivered solution will include clean, well-documented code, setup instructions, and deployment guides for all platforms. Optional features like push notifications, offline support, and real-time updates can also be integrated based on your needs. By combining robust backend architecture with precise UI implementation, the apps will provide a smooth and consistent user experience across all devices. Thanks, Hercules
$500 USD em 7 dias
6,7
6,7

HI! I am an expert web programmer. I have a lot of work experience in Laravel, Codeigniter, PHP, Wordpress, JavaScript, HTML, Vuejs, Reactjs, React Native, and MySQL. I can start right away. I want to discuss this project in detail. Please contact me to discuss more regarding this project. For more details Chat with me
$500 USD em 7 dias
6,9
6,9

Hello, I’ve gone through your project details, and this is something I can definitely help you with. With over 10 years of experience in mobile and web app development, I specialize in creating clean architecture and scalable code that ensures smooth project delivery. My expertise in both desktop and mobile applications—utilizing frameworks like React Native and Flutter—makes me a great fit for your cross-platform accounting dashboard app. I will thoroughly review your requirements, suggest the best technical approach, and keep you updated at every stage of development. My focus on clear communication and maintainable code will ensure that your app runs seamlessly across all platforms. Here is my portfolio: [https://www.freelancer.in/u/ixorawebmob](https://www.freelancer.in/u/ixorawebmob) I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1️⃣ Do you need REST API or GraphQL endpoints for your backend? What specific features or functionalities do you envision for real-time updates in the app? Let’s discuss over chat! Regards, Arpit Jaiswal
$555 USD em 41 dias
7,6
7,6

Hello, I have carefully reviewed your requirements for the Cross-Platform Accounting Dashboard App project. I am a full-stack developer with experience in building desktop and mobile applications using technologies such as Electron, React Native, and more. For this project, I plan to first integrate the database for multiple entities and relationships, followed by setting up REST API or GraphQL endpoints for seamless communication. I will then focus on implementing the UI based on your provided mockups, ensuring accurate translation and functionality. I am confident in my ability to deliver fully working desktop and mobile apps with integrated UI, clean code, and comprehensive documentation. Let's discuss further details and get started on this project. I'm confident that I can deliver a high-quality project that meets your expectations. Let's discuss further details and get started on this project.
$250 USD em 2 dias
6,4
6,4

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail 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, and for web and backend on react js and node js, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1.500 USD em 25 dias
6,6
6,6

Hello, I hope you are doing well. I understand that you are looking to build a ACCOUNTING DASHBOARD APPLICATION and I would be happy to help. I have extensive experience in designing and developing Application 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.
$250 USD em 5 dias
7,2
7,2

Hi there, I read your requirement carefully and understand you need a scalable backend with REST/GraphQL APIs plus desktop and mobile apps that stay perfectly in sync. I have strong full-stack experience building multi-platform apps using modern backend architectures, Electron/React Native/Flutter, and clean database design. I can contribute by translating your mockups pixel-accurately into working UIs, integrating APIs smoothly, and delivering maintainable code across desktop and mobile. I focus on structure, performance, and clear documentation so the product is easy to extend later. Regards, Vijay
$500 USD em 7 dias
6,0
6,0

Hello There!!! ⚜️⭐⭐⭐⭐⚜️(( Cross-platform accounting dashboard with seamless data sync ))⚜️⭐⭐⭐⭐⚜️ Building a unified accounting dashboard that works smoothly across desktop and mobile requires careful design, backend integration, and precise UI implementation. You need a scalable system with synced data, clear workflows, and responsive interfaces for Windows, macOS, iOS, and Android. I have extensive experience in full-stack development, creating multi-platform apps with React Native, Flutter, and Electron, and translating complex design mockups into fully functional interfaces. My approach ensures modular, maintainable code with clear API integration and consistent user experience across devices. Three core features I would focus on: Real-time data synchronization across desktop and mobile Intuitive UI with forms, tables, buttons, and navigation per mockups Scalable backend with REST or GraphQL endpoints for multiple entities I can deliver a polished, fully working system with complete documentation and optional enhancements like offline support or push notifications. I would love to discuss your mockups and ensure the app meets all your functional needs. Warm Regards, Farhin B.
$256 USD em 10 dias
6,6
6,6

Hello, I BRING PROVEN EXPERIENCE IN SIMILAR PROJECTS AND CAN SHARE REAL EXAMPLES. BY HIRING ME, YOU GET: ->> 100% DELIVERY OF WORK ->> HIGH-QUALITY, BUG-FREE CODE ->> DAILY PROGRESS UPDATES WITH NO COMMUNICATION DELAYS ->> 2 YEAR POST-DEVELOPMENT SUPPORT TO ENSURE YOUR APP RUNS SMOOTHLY, FREE OF COST I’ve carefully read your requirements for a cross-platform accounting dashboard covering desktop and mobile, and I can handle this project end to end. With 9+ years of full-stack experience, I specialize in building scalable backends with clean data models, exposing them via REST or GraphQL APIs, and delivering pixel-accurate UI implementations from provided mockups. My approach is to use a shared core backend, ensure reliable data sync across Windows, macOS, iOS, and Android, and keep the code modular so future features like offline mode, real-time updates, or notifications can be added without rework. Approach (Short): Scalable backend & database → API layer → desktop + mobile apps → accurate UI from mockups → synced data across platforms. Key Features & Functional Modules: Multi-entity database, REST/GraphQL APIs, accounting dashboards, reports & tables, role-based access, cross-platform sync. User Roles: Admin (full control & reporting) | Staff/User (data entry & viewing) Please feel free to connect via chat, Jitendra
$350 USD em 7 dias
6,1
6,1

Hi, I have reviewed the details of your project. we have strong experience delivering multi platform solutions where clean architecture, accurate UI implementation, and reliable data flow are critical. we will design a scalable backend with a well structured database supporting multiple entities and relationships. We will expose secure REST or GraphQL endpoints to power all platforms. On the frontend side, we will build desktop applications for Windows and macOS and mobile apps for iOS and Android, ensuring smooth data synchronization across all devices. We will carefully translate your provided mockups into working interfaces, implementing buttons, forms, tables, and navigation exactly as designed. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in the chat. Best regards, Mughiraa
$500 USD em 7 dias
5,6
5,6

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