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I need a professional Flutter developer to build a modern Android application with a clean and responsive UI. The app should include user authentication, Firebase integration, REST API support, push notifications, and a secure backend. The code should be well-structured, optimized, and easy to maintain. The developer should deliver a high-quality application with proper testing and documentation.
Project ID: 40569028
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283 freelancers are bidding on average $19 USD/hour for this job

Hi there, We understand you're looking for a professional Flutter developer to create a modern Android app with a clean UI, featuring user authentication, Firebase integration, REST API support, push notifications, and a secure backend. At Webbook Studio, we have experience with Flutter, having developed a furniture store mobile shopping app using Flutter and Node.js. Our team also built a music voting mobile app with React Native, React.js, and Node.js, showcasing our capability in mobile app development with various technologies. We'll deliver a high-quality, well-structured, and optimized application with proper testing and documentation. Can you share more details about the desired design and any existing brand guidelines for the app? Feel free to message us to discuss the details! — Webbook Studio
$15 USD in 40 days
9.2
9.2

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a professional Flutter developer to build a modern Android application with user authentication, Firebase integration, REST API support, push notifications, and a secure backend. My background in handling high-complexity systems, such as scaling apps for over 1 million users, directly applies to the challenges of ensuring your project is well-structured, optimized, and easy to maintain. A strategic insight for ensuring scalability and security in this project would be to implement robust error handling and data validation mechanisms throughout the app development process. With my past success in building and scaling Telegram Mini Apps to serve over 1 million users, I am confident in my ability to deliver a high-quality application that meets your requirements. I encourage you to reach out to discuss the roadmap for your project further. Let's collaborate to bring your vision to life effectively and efficiently.
$20 USD in 15 days
9.1
9.1

Hello, I'm Omer, a versatile developer with extensive experience in Android and Flutter Mobile App Development. I understand your need for a clean, responsive UI backed by robust authentication, Firebase integration, REST API capability, push notifications, and security of the backend. My proficiency in all these areas makes me adept at delivering comprehensive solutions that tick off each requirement you've listed. Having worked on various projects in the past, I know the importance of well-structured, optimized code from application functionality to scalability. My goal is to provide high-quality applications that are not only user-friendly but also easy to maintain long-term. To ensure this, thorough testing and documentation are integral parts of my process. One of my strengths as a freelancer is taking end-to-end ownership of projects. I'll not just build your app but also handle its deployment on App Store and Google Play Store. With my clean code, efficient communication skills, and an ability to transform ideas into deliverable end-products, I can confidently assure you of the complete mobile application solution and a rewarding collaboration. Let's bring life to your idea together with my skills and expertise!
$15 USD in 40 days
8.9
8.9

Hi — Elias here from Miami. I understand you're looking to develop a modern Android app using Flutter. The goal is to create a clean, responsive experience that meets user needs effectively. What usually matters most here is ensuring the app's scalability and maintainability as it grows. A common issue in systems like this is managing integrations with backend services and ensuring smooth data flow. The tricky part is usually balancing user experience with performance, especially when handling multiple API calls. I would approach this by structuring the app for modularity, allowing for easy updates and feature expansions. Implementing efficient state management will be crucial for a seamless user experience. I have worked on similar mobile applications where I focused on optimizing performance and ensuring stability over time. A few questions to better understand the scope: Q1 – What specific user roles and permissions do you envision for the app? Q2 – Are there existing backend services or APIs that need to be integrated? Q3 – How do you plan to handle notifications and user engagement? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 10 days
8.6
8.6

Hi, I've built production Android apps with clean, responsive interfaces before. I noticed you need a modern application — that's exactly what we deliver. We have done this exact type of project multiple times. Your project fits our core expertise, and we can move fast without cutting corners. I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Let's discuss your timeline and requirements. Regards, Nurul Hasan
$25 USD in 14 days
8.7
8.7

Hello, I understand you're looking for a professional Flutter developer to create a modern Android application with several key features. I can help deliver a high-quality app that meets your requirements. Here's how I plan to approach it: - I'll build a clean and responsive UI using Flutter's extensive widget library, ensuring a seamless user experience across different devices. - For user authentication, I will incorporate Firebase Authentication to provide secure login and registration processes. - To handle data efficiently, I will integrate Firebase as your database, ensuring real-time updates and data management. - I will implement REST API support to facilitate seamless communication between the app and your backend services. - Push notifications will be configured to engage and inform your users effectively. - Finally, I will ensure that the backend remains secure and robust, using best practices in backend development. I am confident my skills and experience align well with your project needs. I look forward to the possibility of working together to bring your app to life. Best Regards, Khorshed Alam, RS Software.
$20 USD in 40 days
9.5
9.5

Hi there, I will deliver your Flutter Android app with Firebase auth, Firestore integration, REST API connectivity, and push notifications, all organized in a clean architecture (BLoC or Riverpod) with full documentation. On a recent Firebase-backed Flutter build, structuring the notification service as a separate module made maintenance significantly easier for the client's team. Questions: 1) Which REST API will the app consume, or does that still need to be designed? 2) Do you have UI mockups or should I propose a layout? Share your API docs and I will map out the screen flow today. Looking forward to your response. Best regards, Kamran
$19 USD in 40 days
8.6
8.6

Hello, Your project for a modern Android Flutter application with a clean, responsive UI, robust authentication, Firebase, and REST API integration sounds exciting. I am ready to deliver a high-quality, secure app with push notifications, well-structured code, comprehensive testing, and documentation. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas
$19 USD in 40 days
8.4
8.4

Hi there, I can build a modern, high-performance Flutter Android application with a clean, responsive UI, secure user authentication, Firebase integration, REST API connectivity, push notifications, and a scalable backend. The project will include well-structured, maintainable code, thorough testing, and clear documentation to ensure a smooth deployment and future enhancements. Kindly send me a message to discuss more. Thanks.
$20 USD in 40 days
8.4
8.4

⭐⭐ Flutter | Mobile App | React native | Android | iOS |Swift | Flutter EXPERT⭐⭐ Hello, I’m a senior mobile app developer with 9+ years of experience building high-performance iOS and Android applications using React Native, Flutter, Swift, and native Android. I specialize in scalable architecture, smooth UI/UX, API integration, and store-ready deployments. I’ve successfully launched multiple production apps across Google Play and App Store, delivering secure, optimized, and user-friendly solutions. ⭐Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. I’d be happy to discuss your requirements and execution plan. Bid amount is a placeholder and can be discussed over chat. Thanks & Regards Ranjana
$20 USD in 40 days
8.1
8.1

Hi, I'm a Flutter developer ready to build your modern Android app with a clean, responsive UI. I'll implement secure authentication (email/password, social login, or OTP, whichever you prefer), Firebase integration for auth, data, and push notifications, REST API connectivity, and a secure backend layer with role-based permissions if multiple user types are needed. I write well-structured, optimized Dart code with clean architecture for easy maintenance, plus unit/widget testing and clear setup/API documentation. Could you confirm whether existing APIs need integration or a new backend should be built, and what auth method and roles you need? Happy to align on scope and start quickly. Regards, Harsh Thoriya
$20 USD in 40 days
8.6
8.6

Hi, I see you need a professional Flutter developer for your Android application. I will build a modern app with a clean and responsive UI. The app will include user authentication, Firebase integration, and REST API support. I will also implement push notifications and ensure a secure backend. The code will be well-structured, optimized, and easy to maintain, with proper testing and documentation provided. Ready to get started!
$20 USD in 40 days
8.2
8.2

I am an experienced Flutter developer skilled in Firebase, REST APIs, and push notifications. I'll build a clean, well-structured Android app with auth, secure backend, and full documentation.
$15 USD in 40 days
8.1
8.1

Hey, i will build a clean and professional multi page Flutter Android application for your business that is focused on improving their online presence, building trust, and helping them get more clients and bookings I will work directly on the required platform/account to design structured and modern responsive screens with proper layout, smooth user experience, and professional formatting of your app content. I will also handle Firebase integration, REST API support, user authentication, push notifications, secure backend integration, testing and proper code documentation to improve performance and reliability. i am interested to doing this work and i am agree with your budget Do you already have a preferred design style or any reference apps you want me to follow for your project? portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards: Hammad Hassan
$20 USD in 40 days
7.9
7.9

Hello, I can help with your "Flutter Mobile App Development -- 2" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, mobile app development, android, phonegap, backend development, documentation, flutter, rest api, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Could we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "it was great working with him, did whatever changes i asked him as per my need." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$20 USD in 1 day
7.9
7.9

⭕ Modern Flutter Android App Development with Firebase & REST API Integration ⭕ Hello, I understand that you need a modern Flutter Android application with a clean, responsive UI and a scalable architecture. The app will include secure user authentication, Firebase services, REST API integration, push notifications, and a well-structured backend, ensuring high performance, maintainability, and future scalability. ➜ User Registration & Secure Authentication ➜ Firebase Integration (Auth, Firestore/Realtime Database, Analytics) ➜ REST API Integration ➜ Push Notifications (Firebase Cloud Messaging) ➜ Secure Backend Integration ➜ State Management (Provider/BLoC/Riverpod) ➜ Clean & Scalable Architecture ➜ Role-Based Access Control (if required) Let's Connect... Thanks
$15 USD in 40 days
8.2
8.2

Hi there, We’ve developed several high-quality Flutter apps, including a fully functional MVP that’s now live with real users. We specialize in creating responsive, production-ready apps with optimized code and a focus on performance. For your project, we can leverage our expertise in backend technologies like Laravel and Node.js to build a secure, scalable backend that integrates seamlessly with your Flutter app. We also have extensive experience with Firebase, having used it in multiple projects for features like authentication, notifications, and real-time data. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$20.40 USD in 40 days
7.6
7.6

Hi, We'd be happy to build your Flutter application with a strong focus on performance, security, and maintainability. Our team has extensive experience delivering production-ready Flutter apps integrated with Firebase, REST APIs, and scalable backend systems. What we will deliver: Modern, responsive UI following Material Design. Secure user authentication (Email, Google, Apple, OTP if needed). Firebase integration (Authentication, Firestore, Analytics, Crashlytics, FCM). REST API integration with clean architecture. Push notifications using Firebase Cloud Messaging. Secure backend communication with token-based authentication. Well-structured, documented, and maintainable code using best practices (BLoC/Riverpod/Provider as required). Comprehensive testing, bug fixing, and deployment support. We've developed enterprise applications, fintech platforms, booking systems, marketplaces, and social apps, so we're confident we can deliver a stable, scalable solution that is easy to extend in the future. We prioritize clean code, regular progress updates, and on-time delivery. We'd be glad to discuss your requirements in detail and provide the best architecture for your project. Looking forward to working with you!
$20 USD in 40 days
7.6
7.6

Hello I bring extensive experience in Backend development coupled with an exceptional proficiency in Flutter. Your request for an Android app with a clean UI, user authentication, Firebase integration, REST API support, push notifications, and a secure backend falls squarely within my domain of expertise. Throughout my career, I've consistently delivered mobile applications that are well-structured, optimized, and easy to maintain - all aspects critical for long-term project success. I understand the importance of not only building a functional app but also ensuring it is of high quality with thorough testing and comprehensive documentation. Moreover, as a client-focused developer, my team and I ensure transparent communication and adhere to project timelines without sacrificing the quality of our deliverables. Considering this project's unique requirements alongside your business growth goals, can offer you far more than just app development - we provide an end-to-end experience that empowers your expansion into the digital space. Thank you!!
$20 USD in 40 days
7.8
7.8

Hi! I can help you build this Flutter app from the ground up. I'll set up Firebase auth, integrate your REST API, handle push notifications, and make sure the UI is clean and responsive. I always write well-structured, testable code with proper documentation so you can maintain it easily down the road. I'm Edward, been doing Flutter development since 2014 and I've delivered several apps with exactly this stack. Happy to chat more about your project.
$15 USD in 7 days
7.0
7.0

New Taipei City, Taiwan
Member since Jan 13, 2026
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