Collaborative Decision-Making App Development

@kamran2012

Hello there, I will deliver your real-time collaborative decision app on Flutter with a Node.js/Socket.io backend, covering the voting engine, group chat with typing indicators and read receipts, request assignment and tracking, plus the responsive admin panel. For conflict resolution on simultaneous votes and edits, I will use optimistic concurrency control with server-side validation, so no user action gets silently overwritten. Questions: 1) For real-time infrastructure, do you prefer Firebase (simpler, usage-based cost) or a self-hosted WebSocket server on AWS for more control? 2) Will the NDA and requirement finalization happen before the first milestone payment, or in parallel? Share your preferred NDA template and I will review it so we can move into detailed scoping quickly. Looking forward to potentially working together. Thanks, Kamran

@rahuliitm69

Hi there, Thanks for the detailed project description. I have gone through the complete requirement carefully, and I can see this is a real-time collaboration platform where chat, voting, decision making, assignments, and live status updates all need to work seamlessly together. I also have extensive experience with Flutter, Firebase, Node.js, REST APIs, and WebSocket-based applications, which makes me confident in delivering a stable and production-ready solution. How I will approach this is by first finalizing the complete workflow and user roles, then preparing the UI/UX with wireframes and clickable prototypes. After that, I'll develop the backend, real-time communication layer, mobile applications, and admin panel in parallel, followed by thorough testing, deployment, and store submissions. UI/UX design will also be included as part of the project. Once you share the detailed workflow after signing the NDA, I'll prepare a complete technical roadmap, milestone plan, timeline, and architecture recommendation so everything is clear before development begins. I would request we connect once so we can discuss the complete workflow, expectations, and long-term roadmap in detail. Thanks, Rahul A.

@mrresearcher99

Hello, Real-Time Collaborative App With 10 years of experience in mobile and full-stack development, I specialize in building scalable real-time applications using React Native, Node.js, REST APIs, PostgreSQL, and cloud deployment. I recommend React Native for Android and iOS, Node.js with PostgreSQL for the backend, and WebSockets for real-time collaboration. This stack delivers excellent performance, scalability, and maintainability while supporting future feature expansion. I would implement real-time chat, voting, and collaboration using WebSockets with server-side synchronization and optimistic updates, ensuring data consistency through transactional operations and conflict resolution. The application will include secure authentication, role-based access control, responsive UI/UX, a web-based admin panel, and well-documented APIs. I have experience delivering Android and iOS applications with deployment support and follow milestone-based development with regular test builds, transparent communication, and post-launch support. I would welcome the opportunity to discuss your project, sign an NDA, and share how I would approach building a reliable, production-ready collaborative platform. Best regards

@mahig47

Hello! As per your project post, you are looking to build an Collaborative Decision Making Android and iOS where individuals and private groups can discuss options, vote, finalize decisions, assign requests, and track their progress. The platform will include live chat, real time synchronization, role based permissions, push notifications, and a web based admin panel, with a scalable architecture that supports future feature expansion. My approach would begin with defining the application architecture after the NDA, designing the UI and UX, developing the cross platform mobile application, implementing real time chat and voting, building secure backend APIs and role based access control, creating the responsive admin panel, integrating push notifications, and thoroughly testing the application before deployment to both app stores. I have experience developing Flutter, React Native, Node.js, Laravel, PostgreSQL, real time messaging applications, collaborative platforms, REST APIs, Firebase, WebSocket based applications, admin dashboards, and scalable cloud based architectures designed for high performance and future growth. Let's connect to discuss your vision and NDA requirements so we can build a secure, scalable, and engaging real time collaboration platform with an excellent user experience. Best regards, Nikita Gupta.

@NEHABHAT92

With over 9+ years of experience in mobile app development, our team at Neha & Co. is dedicated to turning your vision into a reality. We have extensive expertise in building cross-platform applications and are well-versed in both Flutter and React Native which are two of the preferred technologies for this project. Our proficiency extends to the backend as well, with skills in Node.js, Python, Java, .NET and other options depending on what would best fit your needs. Apart from just developing an app that checks all the technical boxes, we also believe in providing a clean and modern interface for a seamless user experience. Our design team will not just present you with basic wireframes but will also supply you with comprehensive mobile app screen designs, clickable prototypes and admin-panel designs that are responsive and user-friendly. Data security is of utmost importance to us. We ensure secure authentications, role-based access control and secure API communications along with input validation and password & data protection. Furthermore, punctuality is another aspect we value, hence we strive to deliver your project within agreed timelines while maintaining optimal communication with our clients. Choosing us for this project means choosing quality work backed up by years of experience and expertise that promises 100% customer satisfaction.

@tyagi5011

As an seasoned mobile app developer, I specialize in creating robust and innovative solutions that cater to unique business needs. I am all set to bring your vision of a collaborative decision-making app to life with the help of my diversified skillset and vast experience spanning over 6 years. From Android and iOS app development using suitable frameworks like Flutter or React Native to utilizing scalable backends like Node.js, .NET, Firebase or Supabase - count on me to come up with the best tech-stack suitable for your project. Apart from backend technologies, I have also worked extensively with reliable real-time solutions such as Websockets and Firebase-like platforms which complement the essential feature of real-time collaboration your application necessitates. My familiarity with handling responsive UI design would ensure the resulting product has a simple yet modern interface, enhancing user experience. Moreover, I understand that security remains a top priority, especially for a platform dealing with sensitive information; therefore, rest assured that your data protection is paramount in my development process.

@DigitalNightOwl8

Hi , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Flutter, Mobile App Development and React Native. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. If you have any questions, please let us know

@gauravl3

As a full-stack developer specializing in mobile app development, I have extensive experience - over 5 years - with Flutter and React Native for Android and iOS platforms. My proficiency extends to the backend with notable skills in Node.js, Python, Java, .NET, Firebase, and Supabase that can cater to your project's needs. I stand out in employing a reliable real-time solution through WebSockets or Firebase and have expertise in AWS, Google Cloud, and Azure for scalable cloud platforms. What sets me apart is my focus on delivering secure applications without compromising on user experience. I understand the importance of securing sensitive information which is why I prioritize aspects like secure authentication, Role-based access control, secure API communication, password protection and verification while creating elegant design interfaces that are intuitive for non-technical users. On the UI/UX front, my team provides basic wireframes, mobile app screen designs a clickable prototype along with responsive admin-panel design suitable for your application's necessities. My past projects involved similar features of decision making, chat functionalities and we ensured smooth data synchronization in real-time to support online and offline status while focusing on data recovery when connection is regained. I've also implemented group management features with options that include including user profiles, preferences and basic accountability logs.

@sonika1419

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.

@talharehmandev

Real-Time Collaborative App Hi, Your project is a great fit for my experience. I recommend building it with Flutter for iOS & Android, Node.js + PostgreSQL (or Firebase/Supabase if preferred), WebSockets for real-time updates, and a responsive web admin panel. ✔️ Real-time chat, voting, and live collaboration ✔️ Secure authentication with role-based access ✔️ Group management, request tracking, and push notifications ✔️ Clean UI/UX (wireframes and designs included) ✔️ Complete source code, API docs, deployment, and store submission support Answers to your questions: 1. Tech Stack: Flutter + Node.js + PostgreSQL + WebSockets + Firebase FCM. 2. Real-time: WebSockets for chat, voting, typing indicators, and live sync. 3. Conflict Handling: Server-side validation, transactions, optimistic updates, and timestamp/version checks. 4. Store Experience: Yes, I've published apps on both Google Play and the Apple App Store. 5. Third-party Services: Firebase (FCM/Auth if needed), cloud hosting (AWS/GCP), with costs depending on usage. 6. Support: 3 months of post-launch bug fixing and ongoing maintenance if needed. I have experience building real-time apps with chat, notifications, and collaborative features, and I'd be happy to sign an NDA before discussing the full concept. Best regards, Talha

@Mayanks010

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu

@vinodrayka07

Real-Time Collaborative App Hi, Your project aligns well with my experience in building Flutter applications with real-time chat, collaborative workflows, role-based access, and admin panels. I recommend Flutter for Android and iOS, Firebase Authentication, Cloud Firestore, Cloud Functions, Firebase Cloud Messaging, and Firebase Storage. This stack provides real-time synchronization, offline support, scalability, and a secure backend while reducing maintenance with a single codebase. For collaboration, I'll use Firestore streams for chat, voting, typing indicators, read receipts, presence, and live status updates. Concurrent edits will be handled using Firestore transactions, atomic operations, server-side validation, and timestamp/version checks to ensure data consistency. I can also design the UI/UX, create a clickable prototype, develop a responsive web admin panel, and provide regular test builds throughout development. I have experience preparing apps for both Google Play and Apple App Store, including deployment support. Post-launch, I provide bug fixing, maintenance, deployment assistance, and complete source code with documentation. I'd be happy to sign an NDA and discuss your workflow in detail.

@modesorehari6

✅ Hi, there! Real-Time Collaborative App. Before finalizing the architecture, may I ask whether offline synchronization should always prioritize the latest change, or do you prefer conflict resolution with version control for voting and edits? This will ensure reliable real-time collaboration from day one. I recommend Flutter for Android/iOS, Node.js with PostgreSQL, WebSockets for instant updates, Firebase FCM for notifications, and AWS for scalability. I'll include UI/UX, wireframes, responsive admin panel, secure authentication, role-based access, API documentation, deployment, Play Store/App Store support, and clean milestone-based development under NDA. I can start immediately because I'm available now. I respect your requirements, ownership policy, and confidentiality, and I'll provide regular test builds, transparent communication, and long-term post-launch support. My focus is delivering a stable, scalable application with high-quality code and a great user experience. Thank you, Malix

@mayankinnovative

As an experienced mobile app developer with a specialization in building robust, cross-platform solutions, I'm confident that I have the expertise and skills to turn your vision for a collaborative decision-making app into reality. Working primarily with Flutter, I have developed a keen understanding of its capabilities and can ensure that your app delivers on the real-time functionality you require, such as instant chat messages, live voting updates, and more. My familiarity with multiple backends such as Node.js, Firebase, and Supabase allows me to provide optimal recommendations for your project needs. Pairing this with my knack for clean and maintainable coding, I guarantee secure API communication between platforms and databases, efficient handling of complex workflows like voting deadlines and tied results, and seamless assignment tracking. Not only do I excel in terms of coding ability, but I also believe in delivering well-designed products offering desirable user experiences. This means you can expect appealing basic wireframes, mobile app screen designs that match your requirements & expectations, responsive admin-panel design as well as smooth interaction states - Loading/Empty/Error/Confirmation - from me. My(RWD) designs are suitable for non-technical users to navigate comfortably. Let's discuss.

@dushyant317

Hello, With 13+ years of experience in cross-platform mobile development, I can build a secure, scalable Android & iOS application using Flutter + Node.js + PostgreSQL/Firebase, delivering real-time chat, collaborative voting, live synchronization, role-based access, push notifications, and a responsive admin panel. The project will include UI/UX design, clean architecture, documented APIs, milestone-based delivery, deployment support for both app stores, and post-launch maintenance to ensure a reliable, production-ready solution. Thank you!

@ViranderK

Hi, I've carefully reviewed your requirements and understand this is a real-time collaboration platform, not just a chat application. The workflow would be: User creates a decision session → Invites members → Members discuss in real-time, add/edit options, vote, and receive live updates → Admin/final approver confirms the decision → The request is assigned to a person → Assignee accepts/rejects, updates progress, and everyone receives status updates. The system must remain synchronized even during concurrent edits and temporary offline scenarios. Recommended Stack Mobile: Flutter Backend: FastAPI (Python) Database: PostgreSQL Realtime: Firebase Firestore + FCM (or WebSockets where needed) Admin Panel: React Hosting: AWS/GCP Screening Answers Flutter + FastAPI + PostgreSQL + Firebase. Firebase/WebSockets for chat, voting, typing indicators, read receipts, and live synchronization. Optimistic locking, transactions, timestamps, and server-side conflict resolution. Yes, we've published apps on both Google Play & App Store. Firebase, Cloud Hosting, Maps (if required), Email/SMS providers (pay-as-you-go). 3 months of post-launch bug-fix warranty. UI/UX, wireframes, clickable prototype, admin panel, documentation, deployment, and store submission are included. I'd be happy to sign an NDA. Let's discuss the detailed workflow over a call/chat to finalize the MVP scope, milestones, timeline, and fixed-price quotation. Thanks

@akki4395

Real-Time Collaborative App Your requirements describe a collaboration platform where real-time synchronization, reliability, and security are more critical than individual screens or features. The architecture should be designed to support concurrent discussions, live voting, request assignment, and future expansion without sacrificing responsiveness. For this project, I'd recommend Flutter for a shared Android and iOS codebase, a FastAPI or Node.js backend, PostgreSQL for transactional data, WebSockets for instant collaboration, and Firebase Cloud Messaging for push notifications. This combination provides low-latency updates while remaining scalable as usage grows. To prevent conflicting edits and votes, the backend should manage transactions through optimistic concurrency, version-controlled updates, and server-side validation so all users see a consistent state in real time. UI/UX design, clickable prototypes, responsive admin panel, deployment documentation, and client-owned repositories should all be included from day one. An NDA is completely acceptable. I'd welcome a discussion around the confidential workflow and can provide a milestone-based delivery plan, recommended infrastructure, estimated recurring costs, and post-launch support before development begins. Thanks, Akshay

@Hassana914

Hello I hope you are doing well I have read your Complete proposal You need a Experienced Flutter developer for Cross-Platform Application I have more than 5 years of work experience in Mobile application developement have a hand-on experience in amny terms like Figma to Flutter, Firebase, Google maps and Rest APIs integrations I am confident that will handle your task in a reasonable price and time and I am available to start working on it Let's chat to Proceed

@RyanF172

**“Real-Time Collaborative App”** I understand the critical need for real-time collaboration in your decision-making app. By focusing on instant chat messages and live voting updates, I aim to create a seamless user experience. Implementing Firebase for the backend and WebSockets for real-time functionality will ensure reliable synchronization and minimize conflicting updates. Having published apps on both Google Play Store and Apple App Store, I recommend using Flutter for app development. This choice guarantees a unified codebase for Android and iOS. My team's expertise in real-time chat features aligns perfectly with your requirements. For your project, I propose a milestone-based cost breakdown with a fixed-price quotation. Post-launch, we offer a comprehensive warranty period and ongoing maintenance support. How can we best align the UI/UX design with your vision for the app?