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I’m setting up a dedicated admin-only chat that will run exclusively on Android devices. The goal is a clean, secure mobile application where authenticated staff can exchange messages, share files on the go, and receive real-time push notifications whenever something needs their attention. Core requirements • User authentication so only verified admins gain access (email/password or another standard method is fine, just keep the flow straightforward). • In-chat file sharing for images, PDFs and basic office docs. • Push notifications delivered reliably even when the app is in the background. I’m open to the tech stack you’re most productive with—Firebase, AWS Amplify, or a custom backend—so long as it meets the needs above and is maintainable on my side later. A modern Android UI (Jetpack Compose or XML) that looks sharp on both phones and tablets is preferred. Deliverables • Full Android Studio project with readable, well-commented code. • Signed APK or App Bundle ready for internal distribution. • Brief setup guide covering backend configuration, keys, and how to trigger test notifications. Once everything is compiled and I can log in, exchange a file, and see the notification arrive instantly, I’ll consider the project successfully closed.
Project ID: 40478346
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With over a decade of experience in full-stack architecture and high-scale systems, I understand your need to develop an Android admin chat app for secure communication among verified staff members. Leveraging my background in building high-security systems with robust user authentication and real-time notifications for over 1 million users, I am well-equipped to tackle the challenges of your project. Regarding strategic insight, I recommend implementing Firebase for seamless user authentication and reliable push notifications, ensuring a smooth and secure communication experience. My past success in developing Telegram Mini Apps for over 1 million users underscores my ability to handle projects of this complexity with ease. I invite you to reach out to discuss the roadmap for your Android Admin Chat App further. Let's collaborate to bring your vision to life efficiently and effectively.
$20 USD in 15 days
9.1
9.1

Hi there, I understand you need a secure, self-contained communication tool for your administrative team. Operationally, an authenticated admin will log in to a dedicated channel, exchange real-time messages, and attach files directly from their device. Other admins will receive immediate push notifications, even if the app is closed, ensuring a reliable, mobile-first internal communication system. Technical approach: We recommend Firebase for the backend, utilizing its Auth, Firestore (for real-time messaging), Storage (for files), and Cloud Messaging (FCM). The app will be a native Android build in Kotlin using Jetpack Compose for a modern UI, structured with an MVVM architecture for maintainability. Core modules: A secure authentication flow with session management. A real-time chat engine using Firestore listeners for instant message sync. A file transfer module for handling uploads/downloads to Firebase Storage. A background service to process incoming FCM notifications reliably. Relevant systems: We've built several secure communication platforms. Our Encrypted Chat Application Suite was a native Android system with E2E encryption and push notifications, and SecureCom was a similar platform focused on high-grade privacy for messages and files. We'll begin with the authentication and core chat interface, then integrate file sharing, and finally connect the push notification pipeline. This ensures each critical function is validated before we package the final build and prepare your documentation.
$15 USD in 10 days
8.4
8.4

Architecting your secure admin chat... I saw you need a dedicated, Android-only admin communication tool with reliable background notifications and file sharing. Because you need this to be highly maintainable on your end after launch, here is the exact architecture I will use to build it: The Backend (Firebase): I will utilize Firebase Authentication for secure admin access, Cloud Firestore for lightning-fast real-time message syncing, and Firebase Cloud Storage to handle the image and PDF uploads seamlessly. Background Notifications: I will implement Firebase Cloud Messaging (FCM) to guarantee your push notifications wake the device and alert your staff, even when the app is completely closed. The UI (Jetpack Compose): I will build the interface using Jetpack Compose, ensuring a modern, crisp layout that scales perfectly across both Android phones and tablets. The Handoff: You will receive the clean Android Studio source code, the compiled APK/Bundle, and a step-by-step ReadMe covering the backend keys and FCM test triggers. Quick question: Do you already have a Google/Firebase account set up that you'd like me to build this under, or would you prefer I configure a fresh Firebase project and transfer ownership to you at handover?
$20 USD in 40 days
6.9
6.9

With over a decade of experience as a Full-Stack Developer, I'm confident in my ability to create your Android Admin Chat App exactly as you've envisioned and tailored to your specific needs. As both an Android App Developer and someone skilled in PHP, I have the proficiency required to construct a clean and secure app that guarantees authenticated staff-only access. To ensure efficient functionality, I will employ all my knowledge on push notifications behind the scenes, even when the app is running in the background. Moreover, my familiarity with various tech stacks including Firebase and AWS Amplify puts me in an excellent position to employ what is best suited for your project whilst keeping it maintable for you post-completion. The App will be supplied in full readable and well-commented code, ready for internal distribution. My quick turnaround time ensures not only do I deliver on time but that every deliverable meets or exceeds your expectations. In essence, by selecting me for this project, you're choosing transparency, efficiency and quality; the three tenets that have guided me throughout my professional career.
$15 USD in 40 days
7.1
7.1

Hi, I've built similar systems before and one thing I've learned is that the success of a project usually depends on a few critical decisions made at the beginning. I've gone through your requirement and already have a few questions and suggestions that may save development time and avoid future issues. Let's connect and discuss the details. Thanks, Shiv
$20 USD in 40 days
6.7
6.7

I can build this admin-only Android chat application with secure authentication, real-time messaging, file sharing, and reliable push notifications. I have experience with Android development, Firebase, and backend integrations, making it possible to deliver a secure and maintainable solution that works smoothly on both phones and tablets. I can implement admin authentication, image/PDF/document sharing, real-time chat, and instant push notifications even when the app is running in the background. The project will be delivered with clean code, a complete Android Studio project, a signed APK/AAB, and clear setup documentation for future maintenance. Available to start immediately and discuss the best architecture for your requirements.
$15 USD in 20 days
6.3
6.3

As an experienced and adaptable Full Stack Developer, I am more than qualified to handle your Android Admin Chat App project. Over the span of a decade, I have completed over a hundred successful projects, evolving my skills in Android, Java, Mobile App Development, and PHP - skills that align perfectly with your objectives. With regards to security concerns, I can assure you that your app will be built with safeguarding user data as a priority. Additionally, being deeply familiar with Firebase and AWS Amplify, I can easily fulfill your need for features like user authentication, in-chat file sharing and real-time push notifications. I also understand the importance of having clean code that is easy to maintain on your side - a key deliverable you can expect from me. My aim has always been to create scalable solutions that not only meet client needs but are also future-proofed and easily maintainable. Working with me guarantees you a fast delivery paired with clear communication throughout the process; ensuring that we are always on the same page towards turning your vision into a reality. So let's go ahead and build a clean, secure and modern admin chat app together that exceeds all your expectations!
$15 USD in 40 days
6.4
6.4

Hi 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, in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$15 USD in 40 days
6.6
6.6

Setting up a secure admin-only chat app on Android with real-time messaging, file sharing, and push notifications is a straightforward task based on similar projects I’ve done for internal communication tools. For authentication, I suggest Firebase Authentication with email/password—it keeps the login flow clean and secure without extra complexity. Using Firebase Firestore will simplify real-time chat sync, while Firebase Storage handles file uploads (images, PDFs, docs) efficiently. Push notifications via Firebase Cloud Messaging ensure reliable delivery even in the background. I’ll build the UI with Jetpack Compose for a crisp look on phones and tablets, and keep the code organized with comments for your easy maintenance later. The setup guide will include backend config and steps to send test notifications. Do you have existing staff user data to migrate, or should I prepare a user registration/admin approval flow? Also, would you want offline message caching if connectivity drops? Happy to start building your polished admin chat app right away.
$25 USD in 7 days
6.0
6.0

Please initiate the chat so we can thoroughly discuss the requirements for the app, prior to the start. Happy to provide the final budget in chat. You will get a one-stop solution from my end as, throughout my 5+ years of freelancing Android/iOS App development career, I have created plenty of Mobile applications. I ensure to give the best quality app with good performance and responsive attractive UI and I have provided the clients with excellent results. I have expertise in Swift, React Native, Node.js, React.js, Angular, Laravel, and PHP. I am equipped to develop apps using these languages in all industries Pharmaceutical, Travel, Media & Entertainment etc. I also handle backend integrations for third-party collaborations on your systems. well versed in Mobile App Development in-App-Purchases, User Authentication, User Profile Creation, Location, Chat and Messaging, Map Integration, Payments, Social Media Account Integration, and many more to show. Have considerable knowledge of Android ANT SDK, BLE, Google Cast SDK, ads SDK, offerwall SDK and Titanium. I use libraries such as Sherlock Action Bar, OpenGL, Media Framework, and WebKit to build IoT integration app solutions. I am always interested in making long term professional relationships with my clients to ensure that every project becomes successful. So, if you hire me, I can assure you that you will not regret your decision. Best Regards Tejash J.
$20 USD in 40 days
5.8
5.8

Hi, I came across your project "Android Admin Chat App" and I'm confident I can help you with it. About Me: I'm a full stack developer and agency owner with over 8+ years of experience in PHP, Mobile App Development, Android, Android App Development, Android Studio. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$20 USD in 40 days
5.8
5.8

Hello, I have 9+ years of experience in React Native, Expo, and Android app development, building secure, real-time mobile applications for businesses and internal teams. I can develop your admin-only chat application with: • Secure authentication for verified admins only • Real-time messaging • File sharing support for images, PDFs, and office documents • Reliable push notifications that work in the background • Modern, responsive UI optimized for phones and tablets I recommend Firebase for this project as it provides Authentication, Firestore real-time chat, Cloud Storage for file sharing, and FCM push notifications in a scalable and maintainable solution. However, I can also work with AWS Amplify or a custom backend if preferred. Deliverables include: ✔ Complete Android Studio project ✔ Clean, maintainable, and well-documented code ✔ Signed APK/AAB ready for internal distribution ✔ Setup guide covering backend configuration, keys, and notification testing I will ensure you can successfully log in, exchange files, and receive instant notifications before project completion. I am available to start immediately and would be happy to discuss the requirements in more detail. Best regards,
$15 USD in 30 days
5.5
5.5

Hello [ClientFirstName], I hope you are doing well. I’m an Android developer focused on secure, admin-only apps. I bring solid Kotlin expertise, Jetpack Compose options, and experience with Firebase and Amplify backends, delivering clean, maintainable code and a smooth UX across phones and tablets. I’ll implement straightforward admin authentication, in-chat file sharing (images, PDFs, and office docs), and reliable push notifications, with code that’s well-commented and easy to maintain. I’ve built admin-style chat flows with role-based access, media sharing, and real-time notifications using modern Android tooling. I’ll tailor the stack to your preference and deliver a complete Android Studio project, signed APK/App Bundle, and a simple setup guide. Best regards, Billy Bryan
$20 USD in 31 days
5.1
5.1

Hello, Thank you for the opportunity to work on your dedicated admin-only chat application for Android devices. I understand that you need a secure platform for authenticated staff to communicate, share files, and receive timely notifications. I have extensive experience in mobile app development, particularly using modern technologies like Firebase for user authentication, real-time data handling, and push notifications. My familiarity with Android UI frameworks, including Jetpack Compose, ensures a polished interface that functions seamlessly across devices. To achieve your project goals, I propose the following approach: - Implement user authentication using Firebase Authentication for streamlined access. - Develop in-chat file sharing capabilities for images, PDFs, and office documents to enhance usability. - Set up Firebase Cloud Messaging for reliable push notifications, ensuring timely alerts even when the app runs in the background. - Deliver a well-structured Android Studio project with comprehensive documentation for easy maintenance. I am eager to start this project and confident in my ability to deliver a high-quality application that meets your expectations. I look forward to discussing any details further and am available to begin immediately.
$20 USD in 40 days
4.8
4.8

I can build a secure, modern Android-only admin chat application that meets all your requirements with a clean, production-ready architecture. ? Solution Overview I recommend using Firebase (Auth + Firestore + Storage + FCM) because it provides: Fast real-time messaging Reliable push notifications in background Secure authentication system Scalable and easy maintenance without heavy backend work ? Key Features Admin Authentication Email/password login (Firebase Auth) Restricted access for verified staff only Real-time Chat System Instant messaging using Firestore Read receipts (optional upgrade) Lightweight, responsive UI File Sharing Upload images, PDFs, and office documents Stored securely in Firebase Storage Download and preview support Push Notifications Firebase Cloud Messaging (FCM) Instant alerts for new messages/files Works in background & terminated state UI/UX Built with Jetpack Compose (modern Android UI) Optimized for phones + tablets Clean, admin-focused interface Thank you
$15 USD in 25 days
5.0
5.0

Hi , Good morning! 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 Android Studio, PHP, XML, Java, AWS Amplify, Mobile App Development, AI (Artificial Intelligence) HW/SW, Android App Development and Android. 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.. For more details Chat with us
$50 USD in 17 days
4.5
4.5

I understand you need a secure, real-time Android chat app for your administrative staff, similar to how many enterprise communication tools enable seamless on-the-go information exchange and immediate alerts. My experience building robust mobile applications with secure authentication and real-time data synchronization will ensure your admin chat functions efficiently and reliably. My technical approach will involve leveraging Firebase for its comprehensive suite of services. Specifically, I'll use Firebase Authentication for secure user login, Cloud Firestore for real-time message storage and retrieval, and Firebase Cloud Messaging for reliable push notifications. For file sharing, I'll integrate Firebase Storage to handle uploads and downloads of images, PDFs, and office documents, ensuring secure and efficient data transfer. The development will follow best practices for Android architecture, focusing on a clean UI and performant background services. To ensure the best fit, could you clarify your preferred method for user authentication beyond email/password? Also, are there any specific file size limitations or security concerns regarding the shared documents? I'm confident I can deliver a solution that meets your requirements. Let's connect to discuss how I can build this for you.
$25 USD in 7 days
4.4
4.4

Hi, I see you're looking to create a dedicated chat app for your admin team on Android devices. The goal is to have a secure, user-friendly platform where your verified staff can communicate, share files, and receive timely notifications. I would approach this by implementing a straightforward user authentication system and ensuring that file sharing works smoothly for different document types. Real-time push notifications will be a priority, even when the app is minimized. With my experience in mobile app development, particularly using Firebase and Android Studio, I can create a modern UI that looks great on both phones and tablets. I'll ensure the code is clean and well-commented, making it easy for you to maintain later. You can count on me to deliver a polished product that meets your requirements for functionality and user experience. Best regards, Novalitz Tech
$15 USD in 3 days
4.1
4.1

Hi there, I'm Cora May, and I can help you build a dedicated Android Admin Chat App that only authenticated staff can access. I’ll implement a straightforward admin sign-in flow (email/password or an equivalent standard method) and an admin-only chat screen with secure message exchange. For file sharing, I’ll support images, PDFs, and common office docs with clean upload/download handling and in-chat previews where possible. To ensure reliable alerts, I’ll integrate push notifications so admins receive real-time updates even when the app is in the background. I’m comfortable working with either Firebase or AWS Amplify (or a custom backend if needed) and will structure the code for maintainability and readable, well-commented Android Studio deliverables. You’ll get a signed APK/AAB for internal distribution plus a brief setup guide that covers backend configuration, required keys, and how to trigger test notifications.
$30 USD in 40 days
3.8
3.8

Hey — saw your post about setting up an Android-only admin chat app. A common challenge here is ensuring secure, real-time messaging without lag or data loss. Are you planning to build this from scratch or use an existing chat SDK like Firebase or SendBird? I’ve built Android chat features focusing on admin controls and smooth performance. If you share your requirements or any UI sketches, I can take a quick look and share thoughts.
$15 USD in 7 days
4.2
4.2

Semarang, Indonesia
Member since May 29, 2026
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