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I’m building a practical, no-frills utility app and need an experienced mobile developer to take it from concept to store-ready release. The core of the product is its messaging system, so real-time chat performance, secure data handling and an intuitive conversation view all need to be rock-solid. Here is what I expect: • A clean, modern UI that keeps the focus on the tool’s primary purpose while letting users swap messages seamlessly. • Stable builds for both iOS and Android (React Native, Flutter or the native stacks—choose the approach you work fastest and most reliably with). • User account creation with simple email or phone verification. • Cloud-based back-end for message storage and push notifications; Firebase or an equivalent scalable solution is fine, as long as setup is documented. • Hand-over of full, well-commented source code, build instructions and a short README so future maintenance is straightforward. Once you join, I’ll share wireframes and a concise feature list so you can provide milestones and timelines. I’m happy to iterate quickly, test weekly builds and give prompt feedback so we keep momentum high. Let’s craft a lightweight utility app that delights users with its chat feature and ships on schedule.
ID Projek: 40352087
56 cadangan
Projek jarak jauh
Aktif 11 hari yang lalu
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56 pekerja bebas membida secara purata $56 USD untuk pekerjaan ini

Hello, I’d love to help you bring this utility app and its core messaging system to a polished, store‑ready release. I specialize in building clean, modern mobile interfaces and real‑time chat features that stay fast, secure and intuitive. With your clear expectations, cross‑platform stability, streamlined user onboarding and a cloud‑powered backend, I can develop a robust messaging experience using the stack I perform fastest with, ensuring quick iterations and dependable builds. I’ll deliver well‑structured source code, documentation and a readable README so future maintenance remains effortless. Once you share the wireframes and feature list, I’ll map detailed milestones to keep momentum strong. Best regards, Ahtesham
$30 USD dalam 20 hari
7.3
7.3

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 & React- Native, and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$450 USD dalam 7 hari
6.6
6.6

As a seasoned app developer specializing in Flutter, React Native, and Android, I can surely be your go-to guy for this utility app project. I'm genuinely excited by the potential of this application, especially with the messaging system at its core. My extensive experience in building feature-rich chat functions would ensure that your app's performance is not only real-time but also secure. Speaking of UI, I'm known for my clean yet modern design approach that prioritizes functionality without compromising aesthetic appeal—a perfect match for your vision of a no-frills app with seamless messaging capabilities. And thanks to my proficiency in Flutter and React Native, you can expect a stable cross-platform build for both iOS and Android. I'm adaptable to every stack; what matters most is creating the best solution for your needs. Having worked with Firebase extensively in the past, I'm well-equipped to handle your back-end requirements without hiccups. From message storage to push notifications and even user verification- you can count on me for a cloud-based system perfectly aligned with your needs. Lastly, don't fret about future maintenance—I make sure that not only is the job done but also well-documented so that stability and longevity aren't compromised. Let's turn your idea into an amazing reality!
$20 USD dalam 1 hari
5.4
5.4

Your utility app's success hinges on a messaging experience that feels instant and reliable, and that's exactly where I specialize. I've built real-time chat systems using React Native paired with Firebase (Firestore for message sync, Cloud Functions for push notifications, and Firebase Auth for seamless email/phone verification), so I can architect a performant, secure solution from day one. My approach: start with your wireframes to nail down the conversation UI, stand up the cloud back-end with documented infrastructure, then deliver weekly testable builds for both iOS and Android. You'll receive clean, well-commented source code, build instructions, and a comprehensive README at handoff. I'm available to start immediately and thrive in fast-feedback loops—let's ship this.
$10 USD dalam 1 hari
4.8
4.8

Hi! I can take your utility app from concept to store-ready with a strong focus on real-time chat—using Flutter + Firebase to ensure fast messaging, secure data handling, and smooth conversation UI. I’ll implement user auth (email/phone verification), scalable backend with push notifications, and deliver clean, well-documented code with stable builds for both iOS & Android. I’m used to fast iteration cycles and can provide weekly test builds to keep things moving. Timeline will be shared after reviewing your wireframes, but I can start immediately. Looking forward for your positive response in the chatbox. Best Regards, Hassan T
$30 USD dalam 7 hari
4.9
4.9

Hello I specialize in building practical, no-frills utility apps with robust, integrated messaging. My focus is on delivering essential functionality efficiently, ensuring a straightforward user experience without unnecessary bloat. I understand your vision for a streamlined application. Let's connect to discuss how I can bring your focused, effective utility app to life. Giáp Văn Hưng
$30 USD dalam 7 hari
4.7
4.7

Hey , I just went through the project description, and I see you are looking for someone experienced in Flutter, iPhone, User Interface / IA, Java, React Native, Android, iOS Development and Mobile App Development. 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.
$10 USD dalam 5 hari
4.5
4.5

Hello, I can build your utility app with real-time messaging for iOS & Android using Flutter or React Native, with a clean UI and smooth chat experience. I’ll implement secure auth (email/phone), Firebase backend for real-time chat & push notifications, and ensure stable, scalable performance. You’ll get well-structured source code, build instructions, and README. Ready to start
$30 USD dalam 6 hari
4.5
4.5

Hi, I can take your utility app from concept to store-ready release on both iOS and Android. I’ll build a clean, modern UI focused on seamless real-time messaging, implement secure account creation (email/phone verification), and set up a cloud-based backend with scalable message storage and push notifications (Firebase or equivalent). The app will be delivered with full, well-commented source code, build instructions, and a concise README for easy future maintenance. I work with Flutter/React Native and can ensure stable, performant builds. We can discuss the wireframes and feature list in chat, finalize milestones, and I’ll start immediately to deliver a polished, store-ready messaging app efficiently.
$18 USD dalam 4 hari
4.6
4.6

Hi, This is a great fit for Flutter, especially for building a clean, fast, and reliable real-time chat experience across iOS and Android. I understand the core of your app is messaging, so the focus should be on: • Instant message delivery • Stable real-time sync • Clean and intuitive conversation UI Here’s how I would approach it: Tech Stack: • Flutter (single codebase) • Firebase (Auth, Firestore, Cloud Messaging) Chat System: • Firestore real-time listeners for instant updates • Structured chat threads (one-to-one or group-ready) • Optimized reads to keep performance smooth Authentication: • Email or phone verification using Firebase Auth • Secure session handling Notifications: • Firebase Cloud Messaging for push notifications • Reliable delivery for new messages Delivery: • Clean, well-structured code with comments • Weekly test builds for quick feedback • Full handover (README + build instructions + deployment support) I’ve built Flutter apps with real-time data and scalable Firebase architecture :contentReference[oaicite:0]{index=0}, so I can ensure a smooth and stable messaging system. Quick question: Do you plan to include features like read receipts or typing indicators in the first version? Looking forward to working together.
$20 USD dalam 7 hari
4.0
4.0

Hi I have 8 years of experience in Flutter and have built various real-time chat and utility apps with Firebase, push notifications, and secure user authentication. I can develop clean, modern UI and stable iOS and Android apps with real-time messaging, cloud storage, and scalable backend. I will provide well-structured, documented source code, build instructions, and support for store deployment. I can start immediately, review your wireframes, and deliver milestones with weekly builds and updates.
$20 USD dalam 2 hari
3.8
3.8

I’ll build this as a cross-platform app using Flutter (or React Native if preferred) with Firebase (or an equivalent backend) powering authentication, real-time messaging, and push notifications. The app will include email/phone-based user verification, a clean and minimal UI focused on fast, seamless conversations, and a real-time chat system using WebSockets or Firebase Firestore for instant message delivery. Messages will be securely stored in the cloud with proper access control, and push notifications will keep users updated even when the app is inactive. The architecture will follow a modular, scalable structure so features can be extended easily. I’ll optimize performance for smooth chat rendering, efficient data sync, and low battery usage. Security best practices will be applied for user data and message handling. Deliverables will include production-ready Android and iOS builds, full source code with clear documentation, setup instructions for backend and local builds, and a README for future maintenance and deployment. Syed
$50 USD dalam 1 hari
3.7
3.7

I'm a seasoned Android developer with a proven track record of delivering exceptional mobile experiences. With over 30 successful projects spanning diverse industries, I possess a deep understanding of the Android ecosystem and a versatile skill set to tackle any challenge. My Expertise Includes: * Core Android Development: Java, Kotlin, Android SDK, Android Studio, XML, Gradle * UI/UX Design: Material Design, Custom Views, Animations, ConstraintLayout * App Architecture: MVVM, MVP, Clean Architecture, SOLID principles * Database: SQLite, Room, Firebase Realtime Database, Cloud Firestore * Networking: Retrofit, Volley, OkHttp, RESTful APIs, JSON, XML parsing * Offline Storage: Shared Preferences, Internal/External Storage * Location Services: GPS, Google Maps, Geolocation * Media Integration: Camera, Audio/Video recording and playback, ExoPlayer * Push Notifications: Firebase Cloud Messaging (FCM) * Performance Optimization: Profiling, memory management, battery optimization * Testing: Unit testing, UI testing, Espresso, JUnit * Security: Data encryption, authentication, authorization * Additional Technologies: Android Wear, Android TV, Android Auto, Augmented Reality (AR), Virtual Reality (VR) I am passionate about crafting innovative and high-performing Android applications. Let's discuss your project and explore how my expertise can bring your vision to life!
$10 USD dalam 7 hari
3.4
3.4

Hi there! You are building a utility app and the real challenge is making the messaging system fast, secure, and intuitive while keeping the interface clean and lightweight for both iOS and Android. I recently developed a React Native chat app that handled real-time messaging for thousands of users with zero downtime and smooth performance. My focus is on scalable architecture and user-friendly interfaces that make the core feature shine. I will develop your app with a stable, responsive chat system, secure account verification, and cloud storage integration, then hand over fully commented code and build instructions for future updates. Check our work: https://www.freelancer.com/u/ayesha86664 Do you prefer React Native for faster cross-platform delivery or fully native stacks for maximum performance? I am ready to start — just say the word. Best Regards, Ayesha
$14 USD dalam 7 hari
3.5
3.5

With over a decade of web and mobile app development, my team at Paper Perfect is uniquely prepared to bring your utility app to life - and exceed your expectations. We are fluent across multiple platforms, embracing Android, iOS, React Native, and Flutter technologies with ease. I can't wait to delve into the wireframes and feature list you've prepared so that I can start organizing milestones and establish an efficient timeline for completion. As a business owner myself, I understand the crucial nature of scheduling and reliable communication in a project. That’s why our collaboration will be based on trust, prompt feedback, and weekly builds for testing purposes. With ample experience in backend systems like Firebase and an eye for intuitive design, I am confident that we can deliver exactly the clean and modern UI that you're looking for with a messaging system that performs seamlessly. Lastly, as a testimony to my commitment to quality, you can expect handover of very well-commented source code that is easy to follow along with detailed build instructions and README so that any future maintenance or updates can be carried out with zero hiccups or confusion. Ready to embark on this exciting journey with you - fingers crossed we’ll create an app that's not just useful but one those users truly love!
$20 USD dalam 7 hari
3.5
3.5

As a seasoned mobile developer with considerable experience in building utility-based apps, I am delighted to offer my services to bring your concept to life. With a focus on clean, modern UI and a keen understanding of the importance of reliable and intuitive messaging systems, I assure you that I can design an app that truly serves your needs. Proficient in Flutter and Java, I can deliver sleek and stable builds for both iOS and Android to guarantee broader accessibility for all users. My proficiency in creating efficient account creation mechanisms, real-time chat functionalities, and secure data handling aligns perfectly with your project's requirements. Additionally, my familiarity with scalable back-end solutions such as Firebase makes for seamless integration with your chat system while maintaining the utmost privacy protection. Lastly, my commitment to open communication and prompt feedback allows for smooth iterative progress throughout development. With me on board, you'll have not just a developer but rather a professional partner dedicated to delivering a robust, user-friendly app on schedule while setting you up for convenient future maintenance. Let's discuss how we can exceed your expectations!
$10 USD dalam 1 hari
3.3
3.3

Hey , I just finished reading the job description and I see you are looking for someone experienced in iPhone, React Native, Java, User Interface / IA, Flutter, Mobile App Development, iOS Development and Android. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? Deliver high-quality work with a strong focus on accuracy, efficiency, and client objectives. Maintain a proven record of long-term client satisfaction with consistently positive feedback. Earn 5-star ratings on recent projects, reflecting reliability and clear communication. Work with a structured, detail-oriented approach to ensure timely and accurate delivery. Availability: Full-time freelancer with flexible availability and fast response times (Eastern Time). I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Ali
$10 USD dalam 2 hari
2.6
2.6

Hi, I can build your utility app with a strong focus on a smooth and reliable real-time chat system. I have experience developing chat-based apps and can use Flutter with Firebase for fast, secure messaging, push notifications, and scalable backend setup. I’ll deliver clean UI, stable builds for iOS and Android, and well-documented code with easy setup for future updates. Let’s discuss your wireframes and get started
$25 USD dalam 4 hari
2.8
2.8

I will build your utility app with a strong focus on real-time messaging performance, secure data handling, and a clean, intuitive UI to ensure smooth user conversations. I can deliver stable iOS and Android apps using the most efficient stack, set up authentication, and implement a scalable backend with clear documentation and full source code handover. I’m ready to work in agile milestones, share weekly progress, and keep everything aligned for a fast, reliable launch. Best Regards, Muhammad
$20 USD dalam 1 hari
2.4
2.4

I can build your utility app end-to-end with a strong focus on a fast, reliable, and secure real-time chat system. Using React Native or Flutter, I’ll deliver a clean UI, smooth messaging experience, user authentication, and a scalable backend (Firebase or similar) with push notifications. You’ll receive fully working iOS and Android builds, well-structured source code, and clear documentation for future maintenance. Ready to collaborate closely and iterate quickly to get this shipped on time.
$25 USD dalam 5 hari
2.3
2.3

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