
Closed
Posted
Paid on delivery
I would like a fully-functional Android chatting application that lets users talk one-on-one and in groups with a smooth, familiar messenger experience. A straightforward login is all I need—no social integrations for now—so a classic email-and-password flow (or a similarly simple credential screen) will be enough. Core experience • Real-time messaging for private and group rooms • Read receipts, typing indicators, and push notifications • Clean, modern UI that follows current Android design guidelines • Secure user authentication and message storage (Firebase, Supabase, or another reliable backend is fine as long as it scales) Deliverables 1. Production-ready Android project (Kotlin or Java) with well-structured source code 2. Backend configuration files and documentation for reproducing the database/auth setup 3. Brief README or video walkthrough showing how to build, run, and test the app on a fresh machine Acceptance criteria – Users can register, log in, start a private chat, create a group, and exchange messages without crashes or significant lag. – All messages sent from one device appear on another in under two seconds on a typical broadband connection. – The codebase passes a quick review for readability and includes inline comments where logic isn’t obvious. If this aligns with your expertise, I’m ready to review your approach and timeline.
Project ID: 40667446
246 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
246 freelancers are bidding on average $227 SGD for this job

Hello, i have couple of questions regarding the feature "Read Receipts" Regarding your project i would like to discuss features of app’s in detail. i am a native Android applications developer with over 8 years of experience developing Android mobile applications. I have completed more than 515 projects. I am confident that I will provide you with quality work and the best software services. Let's chat to proceed.
$2,000 SGD in 20 days
8.9
8.9

Hello!! " Android Private & Group Chat App "I have similar kind of expertise and work experience. I am having more then 10+ years of experienced in programming and i believe that i can start working step by step and achieve the project goal in short time frame. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL ASSIST YOU FROM ZERO TO PUBLISHING ON STORES. successfully implement this project from start-to-finish. Let's come together and create a platform that not only propels your business but also stands out prominently within the marketplace. Awaiting for your positive response. Thanks Christina >>>>>>> We'll share our portfolio in Chat. Let's talk further speak over the freelancer call or chat. <<<<<<
$140 SGD in 7 days
8.4
8.4

Hi sir, I read your project description .I can do your project & able to run successfully. I have 8+ years experience for website & mobile application development also done over 400+ project by a good team members . It will be very much pleasure for me, if you give me the opportunity to do your job for minimum cost. Thanks for your consideration . Thanks with Regards Prosanto
$300 SGD in 7 days
8.0
8.0

As a seasoned and versatile Full-Stack Software Engineer, I have been privileged to amass over a decade of diverse experience, including Java and Kotlin development for Android platforms. I have consistently delivered robust and high-performing mobile apps that aligned seamlessly with clients' requirements. Your Android private and group chat app project describes the kind of challenge I thrive on, the need to create real-time messaging experiences, while paying strict attention to user authentication and message security. Moreover, my proficiency in backend development, particularly in integrating with well-established services like Firebase (your suggested service), further reinforces the capability needed to provide a reliable backend structure for your app. My adeptness in providing clear documentation to reproduce the setup will ensure a smooth transition for any future updates or additions you may desire. Additionally, our values align perfectly; I prioritize clean and well-commented codebases that are easy for other developers to interpret and build upon. You can expect thorough communication at all stages of the process, including daily updates on progress. My commitment doesn't end at delivery; I provide free technical support post-project completion. Partner with me @Özgür, let's bring your vision for a secure, intuitive and lag-free chatting experience to life.
$150 SGD in 2 days
7.9
7.9

Hi, I reviewed your project for a fully-functional Android private and group chat app with a smooth messenger experience, simple email-and-password login, and no social integrations. I’ll build the Kotlin Android app with real-time private and group rooms, read receipts, typing indicators, and push notifications. For scalable secure authentication and message storage, I’ll use a reliable backend like Firebase or Supabase and keep message sync fast and consistent. I’ll deliver a production-ready Android project with clean, modern UI, well-structured code, and documentation (README) so you can build, run, and test easily. Let’s discuss here now.
$250 SGD in 30 days
8.0
8.0

With extensive experience in Android app development, backend development, and mobile app development, my team and I are confident we can deliver a top-notch private and group chat app for you. Our expertise aligns perfectly with your project requirements. We've built robust, scalable Android apps numerous times for various clients, ensuring smooth login/registration flows and real-time messaging features like typing indicators, read receipts and push notifications - even in high traffic conditions. Utilizing our skills in Kotlin and Java for the Android frontend and Laravel/Node.js for the backend, we guarantee you a clean, modern UI that follows current Android design guidelines. Security is a crucial aspect of any chatting application and we fully recognize this. For this reason, we'll implement the secure user authentication and message storage features with utmost caution, utilizing reliable backends like Firebase or Supabase. As a freelancer focused on building products from concept to launch on both Google Play & App Store, you can rest assured knowing my team and I will go above and beyond to ensure the app meets all your specifications. From delivering well-structured source code to providing detailed-backend documentation for easy setup; a top-quality end product is our commitment to each client. Let's connect to discuss your project timeline and start transforming your idea into a reality!
$140 SGD in 7 days
7.6
7.6

With extensive experience in developing Android applications, I understand your need for a fully-functional chatting app with real-time messaging, read receipts, and a clean UI. I have successfully built similar apps with Firebase backend integration, ensuring secure user authentication and smooth messaging experiences. Question: Are there any specific design preferences or additional features you would like to incorporate to enhance user engagement in the app? Looking forward to the opportunity to bring your vision to life! Regards, Yogesh Kumar
$70 SGD in 9 days
7.5
7.5

Classic Elegant Portfolio Website Development I can build your five-page portfolio website with a classic, elegant design and responsive performance across all major browsers. Here's my approach: → Develop five responsive pages with clean HTML/CSS/JS and reusable components. → Add an image gallery, editable blog section, and contact form with email integration. → Optimize images, scripts, caching, SEO structure, and Open Graph metadata for faster loading. → Test across Chrome, Firefox, Safari, and Edge and provide organized source files with setup guidance. Flow Design → Development → Gallery & Blog → Contact Integration → Cross-Browser Testing → Deployment Question Do you already have the five-page structure, content, and hosting ready, or should I handle the setup as well? Let's connect... Thanks
$260 SGD in 16 days
7.6
7.6

Hey there! For a messenger like this, I would get the message state model right first. Delivery/read status, typing presence, and notifications need to remain consistent when users reconnect or switch between private and group chats. That reliability matters more than adding unnecessary UI complexity. I would build the Android client in Kotlin with Firebase or Supabase, keeping authentication, message storage, and real-time updates cleanly separated so the backend can evolve later. The MVP would cover private/group chats, read receipts, typing indicators, push notifications, and a reproducible project setup with documentation. Would you prefer Firebase or Supabase, or should I recommend the better fit based on your expected user count and budget? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best regards, Hammad Hassan
$110 SGD in 10 days
7.4
7.4

Android chat should ship in Kotlin with a managed backend. I’d use a simple email/password flow, then build private rooms and groups on one clear conversation model. Firebase can handle authentication, message storage, live updates, and push notifications while keeping the setup reproducible from the included documentation. The key risk is message status: “sent,” “delivered,” and “read” must reflect separate events, or receipts become misleading when a device reconnects. I’ll verify the under-two-second target across two real devices and test offline recovery. First milestone: registration, login, and live private chat on two devices in 3 days. You release payment after approving it.
$140 SGD in 7 days
7.0
7.0

I can create a fully-functional Android chat application that delivers a seamless user experience for both private and group messaging. My approach will ensure real-time communication, secure user authentication, and a clean UI that adheres to current Android design guidelines. I noticed the emphasis on a straightforward login process with no social integrations, which aligns perfectly with the project requirements. Features like read receipts, typing indicators, and push notifications will enhance user engagement and satisfaction. With expertise in Kotlin and Java, I will provide a production-ready project with well-structured code. Additionally, I will include backend configuration files and comprehensive documentation for easy setup. I look forward to discussing how I can bring this project to life. Regards, Jp
$150 SGD in 7 days
6.8
6.8

Hi, It will be an honor for me to work with you. I have got 12 years of android development experience (Kotlin, Java, Jetpack Compose). Lets discuss this in detail and get this started. Looking forward to hear from you.
$250 SGD in 7 days
6.9
6.9

Hello there, Hope you are doing well I can develop your production-ready Android private & group chat application with a clean messenger-style experience, reliable real-time communication, and a scalable backend. I understand the priority is a simple, fast and secure chat experience without unnecessary features. Recommended Tech Stack Android: Kotlin + Android Studio UI: Jetpack Compose + Material 3 Architecture: MVVM / Clean Architecture Backend: Firebase or Supabase Key Features Email/password registration and login Private one-to-one conversations Group chat creation and management Real-time message delivery Read receipts Typing indicators Push notifications Conversation list and unread counters User profiles Message timestamps and delivery status Secure authentication and database rules Responsive modern Android UI Proper error handling and loading states Thanks & Regards Dheeraj K.
$150 SGD in 5 days
7.0
7.0

Hello!! You need a responsive native Android chat application featuring real-time private and group messaging, typing indicators, read receipts, and clean architecture. To tailor the setup to your exact expectations: * Do you have a preferred backend between Firebase and Supabase for real-time syncing? * Would you like users to share media like photos and audio voice notes as well? * Should the group chat support admin controls such as adding and removing members? With 9+ years of experience crafting high-performance mobile apps, delivering clean Kotlin code alongside clear setup walkthroughs is standard practice. Your users will enjoy lightning-fast conversations that feel intuitive, elegant, and rock-solid. Let us connect in chat to discuss your timeline and launch this smoothly. Best regards Farhin B
$109 SGD in 11 days
6.8
6.8

Hello, Does the scope include any specific design preferences for the UI? And are you open to using Firebase for both authentication and real-time messaging? Excited about building this chatting app! To ensure smooth real-time communication, I'll optimize the messaging flow for speed and reliability. A challenge could be handling message delivery under weak network conditions, and I'll address this to maintain a fluid user experience. I'll send examples of my work in chat. Looking forward to discussing details and timelines! Let's connect for a quick chat to align on the next steps.
$30 SGD in 1 day
5.9
5.9

Hi, I can build your Android real-time chat application with a smooth, modern messenger experience. With 9+ years of mobile development experience, I have worked with Android/iOS, Firebase, authentication, REST APIs, and real-time mobile features. My recommended approach is Kotlin with modern Android architecture, using Firebase or Supabase for secure authentication, real-time messaging, scalable storage, and push notifications. I can implement: • Email/password registration and login • One-to-one private chats • Group creation and messaging • Real-time message delivery • Read receipts and typing indicators • Push notifications • Clean UI following modern Android guidelines • Secure, scalable message storage I focus on clean architecture and maintainable production code rather than a basic demo. You will receive the complete source code, backend configuration/setup files, and clear documentation for building and testing the project on a fresh machine. I’m comfortable building the complete messaging flow and ensuring it performs reliably across multiple Android devices. I’d be happy to review the requirements and create a production-ready solution.
$150 SGD in 7 days
5.9
5.9

Hello, Your app needs to deliver a familiar messaging experience where private and group conversations feel instant and reliable, while authentication and message data remain secure. I’ve worked on Android applications with real-time messaging, group conversations, push notifications, authentication, and cloud-backed data, so I understand how these core communication features need to work together smoothly. I’ll structure the app around email/password authentication, private and group chat rooms, read receipts, typing indicators, push notifications, and a clean Android-first interface following current design standards. The backend can be built around Firebase, Supabase, or another suitable scalable service based on your expected usage and messaging requirements. I’ll also focus on reliable message delivery, conversation history, user access, and secure data handling, with the architecture kept flexible for future features such as media sharing, user profiles, or additional messaging capabilities without overcomplicating the initial release. If you share your preferred messaging experience or any reference apps, I can map the core chat flows and recommend the most practical backend approach before development. Regards, Nikita Gupta
$300 SGD in 28 days
5.9
5.9

Hello! We can build a production-ready Android chat app for this use case. 1. Do you already have the backend preference or should we propose one? 2. Do you need any admin or moderation features in the first release? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$140 SGD in 7 days
6.2
6.2

Hello, I have hands-on experience with projects having similar features. I have 9+ years of Android and full-stack development experience and can build a smooth, scalable messenger with real-time private and group conversations using Kotlin and Firebase. Key Features --> Email/password registration and secure authentication --> Real-time one-to-one and group messaging --> Read receipts, typing indicators and push notifications --> Modern Android UI with responsive chat, group and profile screens --> Firebase backend with secure database rules and scalable message storage --> Clean source code, setup documentation and production-ready Android build Working Flow: UI/UX --> Authentication --> Chat architecture --> Real-time messaging --> Notifications --> Testing --> Release build I’ll focus on fast message delivery, reliability and clean architecture, with proper security rules and error handling. Full source code and 2 years of support will be provided after completion. Let’s discuss in chat as I have some queries to ask regarding the project to proceed further.
$200 SGD in 7 days
5.6
5.6

Hi, I'm Denis, a full-stack developer who has built several real-time chat systems on Android. I understand you need a clean Android messaging app with private and group chats, real-time updates, and simple email/password login. The focus is on a smooth UI and reliable messaging—under two seconds between devices—while keeping the backend straightforward for now. I'll start with Firebase for auth and messages since it scales well and reduces backend work. The app will use Jetpack Compose for the UI to keep it modern and maintainable. Authentication will be email/password with secure storage. Messages will sync in real time through Firestore, with read receipts and typing indicators handled at the app layer. Push notifications will use Firebase Cloud Messaging for consistency across devices. Group creation and management will be handled through simple Firestore collections, and the UI will follow Material Design for a familiar feel. The codebase will include clear separation between the UI, business logic, and Firebase interactions to keep it readable. I'll document setup steps in a README and provide a short video walkthrough for onboarding. The main risk is ensuring message delivery stays reliable under real-time load. I'll implement basic retry logic and offline-first handling in the app to cover edge cases without overengineering the backend. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$30 SGD in 3 days
5.7
5.7

Singapore, Singapore
Payment method verified
Member since May 12, 2006
$250-750 SGD
$250-750 SGD
$1500-3000 SGD
$250-750 SGD
$10-20 SGD / hour
₹600-1500 INR
$30-250 AUD
₹12500-37500 INR
$30-250 AUD
$10-30 USD
€30-250 EUR
₹12500-37500 INR
$3-8 USD / hour
₹25000-50000 INR
$750-1500 USD
₹150000-250000 INR
€30-250 EUR
$250-750 USD
$500 USD
₹12500-37500 INR
₹400-750 INR / hour
₹750-1250 INR / hour
₹1500-12500 INR
$1500-3000 USD
$15-25 USD / hour