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I need a lightweight chat-style messenger built specifically for Android so I can read incoming messages and send quick replies from the same screen. At this stage I only require the core one-to-one text conversation flow; once that is solid I may extend it to voice notes, file exchange, or group rooms, but those extras are not part of this first milestone. Here is what I expect: • A clean Android Studio project written in Kotlin (Java is fine if you strongly prefer). • Real-time send/receive with message status indicators. You are free to choose Firebase, WebSockets, or any other modern backend you are comfortable with—just keep the setup clear so I can run it locally. • Simple authentication (email/password or phone OTP) so users can log in and start chatting immediately. • Well-commented code and a short README that explains how to compile, configure the backend, and publish a debug build to my device. I will test by installing the APK, signing in with two demo accounts, and confirming that messages arrive instantly and remain in sync after app restarts.
Project ID: 40239362
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Active 17 days ago
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48 freelancers are bidding on average $52 USD/hour for this job

With over a decade of experience in web and mobile development, specializing in Android solutions, I understand your need for a lightweight chat-style messenger for quick replies. I am well-versed in building clean Android Studio projects in Kotlin and can ensure real-time messaging with clear message status indicators using Firebase or WebSockets. Additionally, simple authentication for immediate user access will be seamlessly integrated. In my past projects, I have successfully delivered similar Android solutions that prioritize user experience and efficiency. My expertise in Android development will guarantee a solid one-to-one text conversation flow for your messenger app. I am ready to take on this project and deliver exceptional results within the specified budget and timeframe. Feel free to message me for further discussion on how we can bring your Android Chat Reply Solution to life.
$50 USD in 15 days
8.2
8.2

With my wealth of experience in developing high-quality mobile apps, I strongly believe I'm the best fit for your Android Chat Reply Solution project. I've successfully built and launched several Android applications including, but not limited to, social platforms, games, marketplaces and crypto-trading platforms. This diverse background has sharpened my skills in real-time communication, data synchronization and API integrations which are essential for the core functions of a messenger app like yours. Additionally, my proficiency in using Kotlin - your preferred language - along with my flexible approach to adopting other technologies such as Firebase or WebSockets make me comfortable with any backend solution you choose. I understand the importance of simple and seamless user experiences and that's why I believe I excel in delivering features such as real-time messaging and chat reply. As a proficient developer, producing clean code designed for easy comprehension and maintenance is paramount to me. My code is always well-commented and I compliment it with a detailed README that simplifies compilation, configuration and launch processes. When this project ends, you'll be confident in running the project locally or even publishing a debug build to your device without any hassle. Suffice to say, your satisfaction is utmost important to me. Let's make this project a success together!
$100 USD in 40 days
7.5
7.5

There are many possible tech stacks of implementing chat depending on volume and privacy needed. Will like to discuss with you and can quote a fixed cost too, won't be much.
$50 USD in 40 days
5.6
5.6

As an experienced Android App Developer with a strong focus on building scalable, secure and efficient products, I believe I'm the right choice for your project. Over the past 13 years, I have navigated the evolution of Android tech and understand what architectures work best for optimized performance. Kotlin and Java are both languages that I am well-versed in; so you can be assured of receiving a clean Android Studio project written adeptly in your preferred language. When it comes to real-time communication like the one you need for your messenger app, I have leveraged different backend technologies including Firebase and WebSockets successfully in my previous projects. I am comfortable with using any modern backend setup that suits your preference. My experience also extends to implementing simple authentication, handling user sign-ins effectively to provide a seamless chat experience as you need for this project. Moreover, my attention to detail extends beyond coding. Expect well-commented code, thorough documentation, and timely delivery. Your satisfaction is my utmost priority, thus my goal is to include everything you need from clear setup instructions for local runs to publishing a debug build on your device in a concise README. Let's build your ideal chat solution together!
$50 USD in 40 days
4.8
4.8

Hello there , 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 XMPP, App Development, Mobile Development, Java, Android, Mobile App Development, Android App Development and Kotlin. 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.. I await your immediate response
$50 USD in 21 days
3.8
3.8

Hi, I am an expert software engineer with skills including XMPP, Mobile App Development, App Development, Java, Kotlin, Android App Development, Mobile Development and Android. After reviewing the project requirements, I found the project perfectly match my experience and skills. Having previously worked on similar projects, I'm confident I can complete this project perfectly. To move forward, Please send a message to discuss more about this project. Best Regards
$50 USD in 20 days
3.5
3.5

Hi, I’m Karthik, a Mobile & Backend Developer with 15+ years of experience building real-time messaging systems and Android apps. For your Android chat solution, I’ll deliver a clean, lightweight Kotlin-based Android Studio project with a solid one-to-one messaging flow. Proposed Architecture: ✔ Android (Kotlin) – MVVM architecture – Clean UI (chat bubbles, timestamps, status indicators: sent/delivered/read) – RecyclerView with efficient diff updates – Local caching (Room DB) for message persistence ✔ Real-Time Backend – Firebase Firestore (fastest setup) OR WebSocket-based Node backend – Instant sync across devices – Message status tracking – Offline-to-online auto sync ✔ Authentication – Email/password OR Phone OTP – Secure token handling ✔ Reliability – Messages persist after app restart – Real-time updates – Clean error handling Deliverables: – Android Studio project (well-commented) – Backend setup instructions – README with step-by-step run guide – Debug APK for testing – Two demo test accounts You’ll be able to install the APK, log in on two devices, and see messages sync instantly. Future-ready for voice, files, and groups when needed. Let’s build a clean, scalable chat foundation.
$50 USD in 40 days
3.2
3.2

Having taken the time to thoroughly understand your project needs, I'm confident in my ability to deliver exactly what you're looking for and more. With a proven track record in Android app development spanning from custom admin panels to full business platforms, I understand the importance of building a solution that is both reliable and scalable, which is why I adopt a practical approach to my work. My adaptability, experience and skillset which include Android App Development, Java, and overall Mobile App Development put me on the winning side of a project like yours. One key aspect that sets me apart is my commitment to keeping things clear and understood from both ends. I believe that the best outcomes occur when communication is strong. Thus, you can be rest assured that throughout the project delivery process, not only will I provide clean code with extensive comments and comprehensive README explaining how everything works from front-to-back end, but I'll also keep an open line for questions or concerns you may have. In addition, my experience using modern tools like FireBase and Websockets to achieve real-time interactions further strengthens my fit for this project. Let's build something together that not only meets your current needs but leaves room for future expansion. I look forward to discussing your project further so we can collaboratively create a solution that truly works for you.
$50 USD in 40 days
3.0
3.0

Hello, We are Tech Versify, a Mobile App Development company with over 5 years of experience in creating innovative solutions for Android platforms. We have carefully reviewed your project requirements for building a lightweight chat-style messenger for Android that allows users to read incoming messages and send quick replies from the same screen. Our team of skilled developers will ensure the delivery of a clean Android Studio project written in Kotlin, with real-time send/receive functionality using your preferred backend technology. We will implement simple authentication methods for seamless user experience and provide well-commented code along with a detailed README for easy setup and usage. Please feel free to start a chat with us so we can discuss your project further. Best regards, Tech Versify LLC
$50 USD in 40 days
2.6
2.6

Hello, Yes, I can build this for you. A lightweight real time chat app with clean architecture and reliable sync is something I’ve implemented before and I can deliver a stable core messaging system ready for future expansion. I will develop a native Android project in Kotlin using Android Studio with a clean MVVM structure. For real time messaging I will use Firebase Firestore or WebSockets depending on your preference, with instant sync, delivery status indicators, and persistent message storage. Authentication will be implemented using secure email login or phone OTP. => What you’ll receive : - Fully working Android project - Real time chat between users - Message status indicators - Clean commented code - Setup guide and README - Debug APK ready to install => Timeline : Core chat system typically takes 5 to 7 days including testing and documentation. => What I need to start : - Preferred backend option Firebase or custom socket server - Auth method preference - App name and package name I can begin immediately once confirmed. Regards,
$50 USD in 40 days
2.7
2.7

As an experienced Full Stack Developer with a specific focus on mobile app development, I believe I am the perfect fit for your lightweight chat-style messenger project. Over my 5+ years in the industry, I have diligently honed my skills in Android App Development using Android Studio and Kotlin, Java as well. Additionally, I have ample experience in Firebase and WebSockets integration for real-time messaging, which is crucial for ensuring message reliability and synchronicity. With my proficiency in backend work, I guarantee clear setup instructions that empower you to run the project locally without any hassle. With complex and dynamic projects like yours, it's important to have a developer who understands your vision and can tailor his approach accordingly. My milestone-first approach will allow us to navigate through each feature extension effectively without jeopardizing the core functionality. Bedrocked with the need for clean architecture, maintaining security and performance will be at the forefront of my development process. Finally, I understand how crucial communication is during a project's lifecycle. Rest assured that transparency and consistent updates are paramount to me. Let's discuss your specific needs further so we can build an app that not only meets but exceeds your expectations.
$50 USD in 40 days
3.5
3.5

Hi, I can help you build this lightweight one-to-one Android messenger exactly as outlined. I’ve already developed a social messaging application, so the core chat architecture, real-time sync, and message handling flows are production-tested—I can adapt and deliver a streamlined version focused purely on your Phase-1 scope. I’ll structure the app in Android Studio (Kotlin preferred) with real-time messaging, delivery/read indicators, and simple authentication. The backend can run on Firebase or WebSockets based on your performance and hosting preference, with a clean local setup so you can compile and test easily. A few quick clarifications: 1. Do you prefer Firebase or a custom socket server for real-time messaging? 2. Should chat history persist on cloud DB or local storage only? 3. Any UI reference for the chat screen layout? 4. Do you want phone OTP or email/password for Phase 1? I would like to connect and love to share the blueprint of the project scope of work. Let me know when you are available for a short call. Best, Shiv
$50 USD in 40 days
1.7
1.7

Hello. I have gone through your project description, and as per my understanding, you are looking to build a lightweight, one-to-one Android chat messenger that supports real-time text conversations with simple authentication and a clean, maintainable codebase. The goal is to deliver a fast, reliable messaging experience where users can sign in, send/receive messages instantly, and see message status, all from a single chat-style interface. My focus will be on creating a well-structured Android Studio project in Kotlin with clear architecture (MVVM), ensuring the app is easy to extend later to voice notes, files, or group chats. For real-time messaging and sync, I can implement Firebase (Authentication + Firestore/Realtime DB) or a WebSocket-based backend, depending on your preference for scalability and control. Authentication will be simple and secure (email/password or phone OTP), allowing quick onboarding for demo users. I prioritize clean, well-commented code and developer-friendly documentation. You will receive a short, practical README covering setup, backend configuration, and how to generate and install a debug APK. The app will be tested to ensure messages sync instantly between two accounts and persist correctly after restarts. Let’s connect to confirm the backend choice and timeline so we can deliver a solid first milestone you can build on. Best regards Prateek
$50 USD in 40 days
1.0
1.0

Hi there! Your project for a lightweight, "chat-first" Android messenger aligns perfectly with our expertise. While you mentioned a native build, we’d love to suggest React Native. It delivers the high-performance "one-to-one" flow you need while making future expansions (like iOS or voice notes) much faster to deploy. Why Choose Us? With 15+ years of experience in FinTech and Social Media apps, we prioritize clean architecture and instant sync. Tech Stack: React Native + Firebase (for real-time DB & Auth). Deliverables: Clean, commented code, a simple README, and a ready-to-test APK. Features: Email/OTP login, instant message status, and persistent storage. Our team, led by Rahul and Amar, ensures your core milestone is rock-solid and scalable.
$50 USD in 30 days
1.1
1.1

Hello , I went through your project description and it seems like I'm a great fit for this job. I'm a 10+ years of experienced full stack AI developer on Java, Mobile App Development, Android, XMPP, Kotlin, Mobile Development, Android App Development, App Development Lets connect in chat so that We discuss further. Regards
$50 USD in 40 days
0.0
0.0

Hello Mate!Greetings , Good morning! I am professional mobile developer with skills including Mobile App Development, Android App Development, XMPP, App Development, Mobile Development, Android, Java and Kotlin. Please contact me to discuss more about this project. Thanks & Regards
$50 USD in 18 days
0.0
0.0

With over a decade of experience in web and mobile development, I am confident that I can create a reliable and efficient chat solution specifically tailored for Android users. Apart from my strong Java knowledge, I'm equally comfortable with Kotlin, so you can count on me for clean code written in your preferred language. My proficiency in APIs and backend integration will ensure smooth and real-time communication using your choice of backend technology - be it Firebase, WebSockets or another platform. Authentication is a fundamental aspect of any app, and I understand the value of keeping it simple yet secure. Whether you prefer email/password or phone OTP, I have the skills to implement them swiftly to help you launch the app without delay. Moreover, our team values communication and transparency, which means not only will the code be well-commented but the README will also be detailed, allowing anyone (even novices) to compile, configure the backend and publish a debug build effortlessly. Testing is crucial, and I take utmost care in ensuring all functionalities perform optimally. Installing the APK on two demo accounts, signing in, initiating messages, receiving them instantly and in sync after app restarts - all these areas will be meticulously inspected by me before handing over your application. Finally, with my commitment to long-term support and iterative improvements, I am not just looking forward to delivering this initial milestone!
$50 USD in 40 days
0.0
0.0

Kudus, Indonesia
Member since May 9, 2025
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$10-30 USD
£750-1500 GBP
$250-750 AUD
₹12500-37500 INR
₹12500-37500 INR