Project: FlutterFlow + Firebase App – Backend Integration, Logic Completion & Future-Ready Monetisation (Only bid real, as this is complete and detailed description of the project, also can test the current app via link) -- 2

@Julian29

Hi There !! After reading your request, I found it to be rather intriguing. I can provide timely, high-quality assistance for your project as a senior full stack engineer. Let's talk further when we speak over the phone or chat. Awaiting for your positive response. Thanks

@pinkeegupta

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 Logical Soft Tech Pvt Ltd, Indore(M.P)

@mahig47

Hello! As per your project post, you are looking to complete backend integration, data binding, and logic implementation for a FlutterFlow mobile application already built with most UI, screens, and navigation flows in place. The project aims to stabilise Firebase Authentication, implement Firestore data persistence, enable chat and messaging, set up Firebase Cloud Messaging, and prepare the app for future-ready monetisation without requiring hardcoded changes. My focus will be on delivering a robust backend integration with: Firestore data binding across all UI components, profile persistence, stabilised authentication flows, secure and real-time 1:1 chat, complete FCM setup with deep linking, and flexible payment logic that can be controlled via Firestore or Remote Config. The app will be future-proof, scalable, and maintainable while ensuring smooth user experience across sessions and devices. I specialize in FlutterFlow and Firebase development, with strong experience in authentication flows, Firestore architecture, FCM implementation, chat and real-time messaging, and modular payment systems. My approach emphasizes stability, clean data handling, scalable structures, and future-ready integrations to enable monetisation and additional features without app updates. Let’s connect to review current Firestore structure, session handling, and rollout priorities so we can complete backend integration and make the app production-ready. Best regards, Nikita Gupta.

@rbtech1984

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Completing FlutterFlow backend with Firebase logic, chat, FCM, and future-ready monetisation ))⚜⭐⭐⭐⭐⚜ I reviewed your description carefully and the fact that you shared a live FlutterFlow test link shows this is a serious, in-progress product, not a concept. The focus on logic completion, backend stability, and console-controlled monetisation clearly defines what success looks like here. From your scope, the app already has strong UI foundations, but now needs proper Firestore binding, stable authentication, real-time chat, full FCM setup, and a payment system that can be turned on later without forcing app updates. Voice calling being future-ready and kill-switch controlled is another strong signal of long-term planning. I have over 9 years of experience working with FlutterFlow, Firebase Authentication, Firestore data modelling, and real-time features. I regularly step into partially wired apps to stabilise logic, fix broken data flows, and prepare them for production without reworking existing UI. My approach would start with cleaning the Firestore schema and auth linkage, then wiring chat, FCM, and payments in a modular way controlled fully from Firebase Console and Remote Config. Three key outcomes I would prioritise: • Stable Firestore-backed profiles, sessions, and backend queries • Real-time chat and FCM notifications wired end to end • Future-ready payment logic with free to paid switching via Firebase Warm Regards, Farhin B.

@ixorawebmob

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 app development, particularly in Flutter and Firebase, I can focus on backend integration, data binding, and logic implementation as outlined in your requirements. I understand the importance of stabilizing Firebase Authentication, implementing Firestore correctly, and completing the chat and payment functionalities without redesigning the existing UI. My approach will involve reviewing your current implementation, fixing existing issues in user data management, and ensuring seamless integration with Firebase Cloud Messaging and payment options—all while keeping future monetization in mind. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m eager to contribute to your project and would love to clarify a specific detail: Could you specify if you have any preferred third-party payment gateway, or should I choose between Razorpay and PhonePe? Let’s discuss further! Regards, Arpit Jaiswal

@fullstack0407

✅ FLUTTER ✅ REACT NATIVE ✅ JAVA /KOTLIN ANDROID ✅ IOS ✨HIGHLY RECOMMENDED✨ ***** NO UPFRONT PAYMENT ***** I can start immediately, Hi My name is Amarjeet Singh. I have read your job ( ). I am full stack developer familiar with backend and frontend both website and mobiles apps. If you're seeking a reliable, experienced developer to bring your app ideas to life, let's connect and discuss how I can contribute to your success. I'm ready for any Interview or want to discuss anything. I am available at your comfort time and start your work... Am always to deliver high-quality work that meets or exceeds my client's expectations. I can help you if you need a reliable and knowledgeable mobile app developer to turn your ideas into reality. Let's achieve your business goals together.

@abdulhadi999

Your FlutterFlow app is UI complete. The gap is wiring Firebase end to end, stabilising auth, and shipping production ready chat, notifications, payments, and voice calling without redesign. → Firestore Data Binding . Move critical App State data into Firestore with safe null handling . Fix profile read issues, incorrect defaults, and incomplete document updates . Finalise and document schema plus indexes for scale → Firebase Auth Stabilisation . Link Auth users to the correct user document and prevent duplicates → 1 To 1 Chat . Firestore based threads, messages, timestamps, read flow, realtime listeners . Secure and scalable structure with aligned Firestore rules . Block logic support if already in UX → FCM From Scratch . Token generation, refresh, storage in Firestore . Foreground, background, killed notifications with deep links to chat . Future proof hooks for incoming call notifications → Payments Future Ready . Integrate Razorpay or PhonePe via API layer and custom actions . Remote Config or Firestore toggle to switch free to paid without app update → Voice Calling Audio Only . WebRTC custom actions with Firestore signalling . Accept reject timeout cooldown limits and remote kill switch → Timeline . Week 1 audit, schema, auth fixes, core queries . Week 2 chat plus FCM . Week 3 payments toggle plus voice calling and hardening . Week 4 QA, rules, docs, release readiness Best regards, Abdul Hadi FlutterFlow Firebase Developer

@johnallenvillan1

Hello, I'm a seasoned FlutterFlow developer experienced in backend integration and logic implementation. I'll focus on binding data to Firestore, stabilizing Firebase Authentication, completing the chat functionality, setting up Firebase Cloud Messaging, integrating payments without hardcoding, optimizing backend queries, and implementing voice calling using WebRTC. Let's work together to make your app production-ready.

@MSaadJaved

Hi Chandan, Let's create a FlutterFlow app that finishes Firestore integration, stabilises Firebase Authentication, implements real-time chat, FCM, payment-ready flows and audio calling. I noticed FCM is missing and the chat UI exists but isn't wired — that breaks real-time messaging and notifications. I've shipped FlutterFlow apps where I moved app state into Firestore, stabilised auth/session handling, and implemented chat and FCM so messages, tokens and deep links work reliably. I act fast, document schemas clearly, and focus on production behaviour; I'm responsive and timezone‑flexible. I'll bind UI components to Firestore, finalise the schema, prevent duplicate writes and fix partial‑document cases. I'll implement one‑to‑one Firestore chat with real‑time updates and security rules, add FCM with token management and deep‑links, wire payment logic toggled from Firebase (no hardcoding), and add WebRTC audio calling with Firestore signalling. Deliverables: production‑ready backend and concise docs. If this fits your needs, let's chat. Best regards, Saad

@prashjain92

Hi there I have carefully read the complete project description and tested the current application link to understand the existing flows, partial integrations, and backend gaps. The scope is very clear and well defined, and I appreciate the focus on logic completion, stability, and future ready monetisation rather than visual changes. Based on your description, the core focus is stabilising authentication, completing Firestore data binding, implementing real time chat, adding push notifications, wiring a flexible payment system, and preparing audio calling with proper safeguards and remote control logic. Firestore data binding, stable authentication flow, real time chat, push notifications, future ready payments, voice calling logic I am a mobile and web developer and I have 7+ years of experience delivering full cycle applications from beta to launch. I have strong hands on experience with FlutterFlow, Firebase authentication, Firestore structuring, real time messaging, backend logic debugging, and scalable feature toggling. I would enjoy collaborating closely and moving this app confidently toward launch readiness. Let us schedule a quick chat to align your vision and next steps. Best Regards, Prasham Jain

@developper69

Hi there, I’ve reviewed your FlutterFlow app and the detailed backend scope (Auth stabilization, Firestore data binding, 1:1 chat, FCM, payments, voice calling) via the test app: desiyaar.flutterflow.app. I’m Muhammad, a FlutterFlow specialist with deep Firebase expertise. I will stabilise Firebase Authentication, finalize Firestore schema, and wire data binding so user profiles persist across sessions and devices, with safe handling of missing documents. I’ll implement real-time chat with proper timestamps and secure sender/receiver logic, aligned with scalable security rules. I’ll set up FCM from scratch (token storage, foreground/background, deep links to chat and calls). For payments, I’ll implement a future-ready flow (Razorpay/PhonePe) controlled via Firestore/Remote Config so no hard-coded changes or app updates are required to switch between free and paid. I’ll optimize backend queries, ensure no duplicate writes, and document the schema and toggle logic for easy maintenance. I’ll deliver a production-ready MVP within a practical timeline after a quick discovery pass. Best regards, Muhammad

@haseebsidd07

Hi , I just went through the project description, and I see you are looking for someone experienced in PHP, Mobile App Development, Mobile Development, WebRTC, App Development, Payment Gateway Integration, API Integration, Flutter, Backend Development and Android. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'Chat' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.

@mayankinnovative

Hello, INCOMPLETE BACKEND LOGIC AND UNSUPPORTED FEATURES LIMITING APP POTENTIAL Your FlutterFlow + Firebase app currently has gaps in backend integration, business logic, error handling, and monetisation readiness. Without completing these core elements, users may hit dead ends, data flows can break, and the app won’t be able to support revenue-driven features like in-app purchases, subscriptions, or ad logic — reducing engagement, retention, and long-term viability. SOLUTION I will complete the backend integration between your FlutterFlow frontend and Firebase by implementing secure authentication, structured Firestore/RTDB data models, cloud functions for business logic, validation and error handling, and real-time sync. I will ensure all screens connect correctly to backend data, implement secure rules, and fix any broken flows. Additionally, I will make the app **future-ready for monetisation** by integrating scalable hooks for in-app purchases, subscription logic, paywalls, analytics tracking, and revenue-ready architecture so you can add monetisation methods confidently when needed. RESULT The result will be a fully integrated FlutterFlow + Firebase app with completed logic, reliable backend workflows, secure data handling, and a clean foundation for monetisation. Your users will enjoy smoother experiences, consistent app behaviour, and you’ll have the technical structure to support future revenue features without costly rework. Thank you

@hr157

Hi, I’ve reviewed your FlutterFlow app and this is a backend-heavy completion project, which aligns well with my experience. I specialise in FlutterFlow + Firebase logic How I’ll handle your scope: 1. Firestore & data binding - Move critical data from App State → Firestore - Fix profile persistence, incorrect defaults, partial documents - Finalise and document a clean, scalable Firestore schema - Safe reads/writes with null and edge-case handling 2. Authentication - Stabilise Firebase Auth flows - Ensure 1:1 mapping between Auth users and Firestore docs - Prevent duplicate/broken user states and session issues 3. Chat (1:1, real-time) - Complete Firestore-based messaging logic - Real-time updates, timestamps, sender/receiver handling - Scalable structure + aligned security rules 4. FCM (from scratch) - Full FCM setup in FlutterFlow - Token generation, refresh, Firestore storage - Foreground/background/killed notifications - Deep links to chat and future call screens 5. Payments (future-ready) - Razorpay / PhonePe integration (keys added later) - Free-now / paid-later logic via Firestore / Remote Config - No hardcoding, no app update needed to enable payments 6. Voice calling (audio) - WebRTC via Custom Actions - Firestore signalling, accept/reject, limits, kill switch Deliverables - Production-ready backend logic - Stable auth, chat, FCM, payment toggle system - Documentation (Firestore schema, FCM, payment control)

@hassans5

Hi there, I can help take your FlutterFlow app from partially wired to fully functional, focusing on backend integration, data binding, and logic completion. I’ll stabilise Firebase Authentication, connect all UI components to Firestore with proper schema and session handling, implement real-time chat with secure Firestore rules, and set up FCM for notifications including deep-linking. I’ll also implement a future-ready, Firebase-controlled payment flow and audio-only voice calling via WebRTC. My goal is a reliable, scalable backend that’s production-ready, with clear documentation for Firestore schema, payment logic, and FCM setup. Looking forward for your positive response in the chatbox. Best Regards, Hassan H

@draganm59

Hello Chandan J., I am Dragan M., an experienced FlutterFlow developer with a strong background in Firebase integration, and I am excited to collaborate on your app project. I understand the need to enhance the backend integration, complete logic implementation, and prepare the app for future monetization, based on your detailed project description. With proven expertise in FlutterFlow and Firebase, I am well-equipped to stabilize your authentication flow and integrate Firestore for consistent data management across user profiles, chats, and payment functionalities. My experience with real-time chat implementation ensures a seamless and secure messaging system, while my proficiency in FCM will establish effective communication through push notifications. I am committed to setting up a flexible payment integration that aligns with your requirements for a future-proof monetization strategy. By leveraging Firestore and Firebase Remote Config, I will ensure the app's payment features can be toggled without necessitating updates, maintaining a fluid user experience. Additionally, I will utilize my knowledge in WebRTC and custom actions within FlutterFlow to implement reliable voice calling capabilities. My approach will focus on optimizing backend queries for performance and reliability, ensuring a robust foundation for your app's growth. I look forward to the opportunity to bring your vision to life and deliver a production-ready application with comprehensive documentation for sustained success. Thank you for considering my proposal. Best regards, Dragan M.

@krishbusiness005

As an experienced full-stack developer with a specialization in FlutterFlow and Firebase, I am well-equipped to address the unique challenges and demands of this project. Over the years, I have honed my skills in Firebase Authentication and Firestore, first-hand dealing with activities such as data binding, schema finalization, and backend queries optimization which are all integral to this project. Moreover, your imperative requirement of building a scalable chat system aligns directly with my proficiencies. Being adept at real-time chat implementation using Firestore will provide the stability and functionality that your app demands. Throughout my career, I have delivered efficient systems to clients worldwide and my final product is always production deployment ready. Rest assured, the Firestore-backed app you'll receive post this project will be no exception in terms of functionality and stability. If you hire me for this job, you are not just getting a developer; you are gaining a partner who actively seeks your success by providing exemplary solutions. Take a decision which Juan Camilo Velasco Moreno certainly positively impact the trajectory of your app.

@KarthikTechCon

Hi, I’m Karthik, a Senior FlutterFlow & Firebase Architect with 10+ years of experience, specializing in finishing and stabilizing partially built apps (backend logic, not UI redesign). I’ve reviewed your app and scope and can complete the Firestore wiring, Auth stability, chat, FCM, payments, and voice logic cleanly and future-proof. What I’ll handle • Move App State → Firestore, fix profile persistence • Stabilize Firebase Auth & user linking • Complete 1:1 real-time chat with secure rules • Implement FCM from scratch (deep links ready) • Future-ready payments (Razorpay/PhonePe) via Firestore/Remote Config • Audio voice calling (WebRTC via Custom Actions) Why me • Proven FlutterFlow + Firebase experience • Strong debugging of existing logic • No hardcoding, no forced app updates • Clean schema + documentation Ready to start immediately and complete your backend properly. Regards, Karthik

@shushmobiweb6

Hello!! I am a full-time FlutterFlow developer with over 8 years of experience delivering production-ready mobile applications with a strong focus on backend integration, data consistency, and scalable logic. I specialize in wiring completed UIs to Firebase services, fixing partial implementations, and transforming MVPs into stable, deployment-ready products. I am comfortable working within existing architectures and improving reliability without disrupting current user flows. For your app, my focus will be on completing Firestore data binding, stabilising authentication, and ensuring user data persists correctly across sessions and devices. I will finalise and document a clean Firestore schema, safely handle partial or missing documents, and eliminate broken or duplicate states. I have solid experience implementing real-time one-to-one chat in FlutterFlow using Firestore, including secure data structures, timestamps, and sender-receiver logic aligned with security rules. Best Regards, Sushma S.