Flutter Cross-Platform App Build

@ukroficer

Hello, ✅ You’re not just looking for a Flutter build — you need a clean, extensible app that goes from wireframes to a polished Android/iOS release, with secure REST auth, Provider-based state, smooth performance, and maintainable structure. We’ve been building for 8+ years across PHP/Laravel/Node and mobile delivery, and we’re Top Rated on Freelancer with 100% completion. We’ve shipped 100+ Laravel/Symfony/Node backends — APIs, payment integrations, CRMs, SaaS. Top Rated on Freelancer, long-term partnerships with multiple SaaS clients. For your app, we’d focus on a scalable Flutter structure from day one: Login/Signup, Dashboard, Profile Settings, Provider for state management, robust token handling, graceful error states, responsive UI, test setup, and a milestone-based rollout so you get fast feedback loops and a reliable path to store deployment. Two quick backend questions: 1) What auth flow does your REST backend use now — JWT with refresh tokens, session-based auth, or OAuth/social login? 2) Is the API already finalized for dashboard/profile data, or will we need to help shape payloads/error formats and pagination conventions? Happy to dive into the API spec and map out first-build vs full-release milestones — message me. Please let me know your thoughts. Looking forward, Roman

@augurstech

A Warm Hello! We are readily available to start working on this project! We are a professional mobile app development agency specializing in Flutter, REST API integration, scalable application architecture, and production-ready iOS/Android applications. We understand that you already have the wireframes and need an experienced Flutter team to transform them into a clean, fast, maintainable, and polished cross-platform application. We can take ownership of the implementation from wireframes → Flutter development → API integration → testing → App Store/Google Play deployment. We can provide live app links and Git repositories for relevant Flutter projects during the interview/shortlisting stage, including examples demonstrating API integration, authentication, responsive UI, and production deployment. We are available to start immediately and would be happy to begin by reviewing your wireframes and REST API documentation, then provide a finalized milestone plan and fixed estimate. Best regards, Ana

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Android, Flutter, Mobile App Development, PHP, JavaScript, REST API As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@KeshavInfotech

Hi, A strong first release starts with the right app structure: auth flow, secure token handling, responsive UI, and a simple state layer that can scale without rewrites. For your Flutter app, I’d focus on building a fast, stable foundation for Android and iOS before adding polish. My approach would be to implement login/signup, dashboard, and profile settings connected to your REST backend using Provider, with proper loading, error, and session states. Then I’d refine the experience with reusable components, responsive sizing, image handling, and subtle animations so the app feels polished and smooth. Initial focus: App structure and folder setup Auth flow and secure token handling Dashboard and profile screens Responsive UI and reusable widgets Unit/widget test setup I have experience building Flutter apps with clean architecture, responsive interfaces, and API integration. If your backend auth endpoints and response formats are ready, I can start immediately. If not, I can help align the Flutter flow with the API contract first.

@jastp

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas

@rajat07me

Hi, this is a well-structured Flutter brief and I’d be glad to take it from wireframes to a polished Android/iOS release. I’ve worked on cross-platform apps with auth flows, dashboard-style screens, REST API integration, and clean state management, so the scope fits my experience well. I focus a lot on responsive UI, maintainable architecture, and keeping communication tight throughout the build. I can share relevant app samples and a practical milestone plan once we connect here. My estimate for the first working build would be within the first 2 weeks, with full release after testing and deployment prep.

@webbookstudio

Hi there, We understand you're looking to build a modern cross-platform mobile app using Flutter, with a focus on clean UI, consistent design, and fast performance. You need an experienced developer to implement navigation, foundational screens, and a secure REST backend, following best practices for structure and readability. At Webbook Studio, we have experience with similar projects, such as a music voting mobile app built with React Native and a furniture store mobile shopping app using Flutter. Our team is skilled in Flutter, REST API, and state management using the Provider package. We'll ensure the app is optimized for performance, with responsive layouts, efficient image handling, and smooth animations. One question: do you have a preferred design style or any existing brand guidelines for the app's UI? Feel free to message us to discuss the details! — Webbook Studio

@irsolutions

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for an experienced Flutter developer to bring your cross-platform mobile app project to life. Having successfully built and scaled mobile apps serving over 1 million users, I am well-equipped to meet the high standards your project demands. For your Flutter app, a key strategy to ensure scalability and performance is to leverage the Provider package for state management and maintain a clean, intuitive code structure. My past experience in Flutter development, including delivering similar projects on time and exceeding expectations, demonstrates my ability to handle the complexity of your requirements. I am eager to collaborate with you on this project and help bring your vision to fruition. Feel free to reach out to discuss further details and establish a roadmap for the successful delivery of your Flutter cross-platform app.

@technosystem

With close to a decade of robust experience in full-stack mobile development, I'm excited to bring my skills to your Flutter cross-platform app project. As a developer, I've not only successfully executed varied mobile projects but have also made it a practice to stay informed about the latest developments and best practices in the field. This will ensure that I deliver an app that is clean, consistent across screen sizes, with an optimized structure for better maintenance. In line with your project's requirement for efficient state management and extensible architecture, I am adept at using the Provider package for state management. Rest assured, you'll have a well-documented codebase following Flutter best practices for clear understanding and easy maintenance. Additionally, having dealt with secure REST backends for various apps, I am well-versed in handling authentication tokens and error states gracefully. My proficiency in configuring testing (unit & widget) and deployment setup will also be crucial for a smooth handover of your app to the end-users.

@ahmadayaz

I am well-equipped to develop a robust Flutter mobile app that aligns with your requirements. My expertise ensures the app will be visually appealing, scalable, and perform seamlessly on various devices. I focus on efficiency, maintainability, and clean code practices to guarantee stability and security in the long term. With a proven track record in developing similar projects, I am committed to timely deliveries and high-quality results. I value clear communication and realistic timelines to ensure a collaborative partnership towards achieving our goals. Let's work together to create a top-tier mobile application that exceeds expectations.

@corpmember29

Hello!! I have carefully reviewed your Flutter cross-platform app requirements and understand the scope from wireframes through Android and iOS release. I have 10+ years of experience in the required technologies and can build the app using Flutter with Provider, clean architecture, secure REST API integration, and scalable project structure. I can implement Login/Signup, Dashboard, Profile Settings, token-based authentication, error handling, responsive layouts, optimized images, smooth animations, unit/widget testing, and complete store deployment setup. I will provide a structured milestone plan with regular progress updates and keep the code clean and maintainable. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I am available according to your convenient time zone and can start immediately. I eagerly await your positive response. Thanks, Christina

@gotucat

Hi, I reviewed your Flutter cross-platform app build request: wireframes to a polished Android and iOS release with clean, consistent UI across screen sizes. I’ll implement navigation and the Login/Signup, Dashboard, and Profile Settings screens, integrating a secure REST API with authentication tokens and graceful error states. I’ll structure state management using Provider, keep the folder architecture extensible, and optimize performance via responsive layouts, efficient image handling, and smooth animations. I’ll maintain thorough comments, deliver clean code that’s easy to maintain and extend, and provide reliable, step-by-step testing (unit and widget) plus deployment guidance for both stores. Let’s discuss here now.

@asifalimzd

As a veteran software engineer with an extensive background building cross-platform mobile apps, I'm confident I can guide your project from wireframes all the way to a polished release on both Android and iOS. Flutter is a particular specialty of mine; indeed, I have shipped multiple successful projects employing it thanks to my 10+ years of experience in the field. You’re welcome to check out my portfolio at [insert link] see my work firsthand and evaluate the quality for yourself. Regarding your timeline mention, I assure you of realistic milestones and open channels of dialogue throughout the project so you are always kept informed about progress. Besides delivering within schedule, what sets me apart is cybersecurity implementations to guarantee reliable end-to-end security for your users' data. Let’s get started and discuss in detail; together we'll build an exceptional Flutter cross-platform app that excels in terms of speed, performance and extensibility!

@MashoodurRehman1

I am a seasoned Flutter developer with extensive experience in building cross-platform applications for both Android and iOS. I specialize in taking projects from initial wireframes to polished releases, assuring high performance and quality. With a strong background in using the Flutter framework, I focus on maintaining clean and consistent UI across devices while adhering to best practices. I have successfully completed projects with similar scopes, including implementing navigation, foundational screens, and secure REST integrations. I utilize the Provider package for efficient state management and design architectures that are adaptable for future expansions. My coding style prioritizes thorough commenting and an intuitive folder structure to facilitate straightforward maintenance. Additionally, I integrate unit and widget testing to ensure product reliability and can assist you through the deployment process for both Google Play and the App Store. I am keen to discuss this project further and would be happy to provide links to past projects or Git repositories. Could we connect to clarify the timeline expectations and discuss the milestones you have in mind?

@onkarkulkarni8

Hello, I your "Flutter Cross-Platform App Build" project description in detail and undertood your requirements. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@mikelilei82

Hi there, I’d be glad to turn your wireframes into a clean Flutter app that feels consistent on iPhone and Android, loads quickly, and is easy to extend later. I’ve shipped Flutter products with secure login flows, REST API integration, profile/account screens, and store-ready releases, so I’m comfortable handling both the visible UI and the reliability details behind it. I can also share relevant live app and GitHub examples in chat. For this project, I’d keep the structure simple and maintainable: Flutter with Provider, clear separation between UI, state, and API layers, secure token handling, responsive layouts, and focused unit/widget tests around the critical flows. I’ll pay attention to graceful error states, efficient image handling, and smooth navigation so the app feels polished without becoming overengineered. I can also guide you through TestFlight and Google Play setup so deployment stays straightforward. If you’d like, I can review your wireframes and backend API details and then suggest the cleanest implementation path.

@Hammadhassan21

Hey, I’ve carefully reviewed your project, and I understand you’re looking for someone who can turn your wireframes into a polished Flutter app for both Android and iOS, with a clean foundation for future modules. I can help build this with a structured, maintainable approach focused on performance, usability, and reliable API integration. I will implement the Login/Signup, Dashboard, and Profile screens with Provider state management, secure REST authentication, responsive layouts, efficient image handling, animations, error handling, and unit/widget testing. I’ll also keep the architecture clean and guide you through both store deployment setups. I have hands-on experience with similar Flutter projects and would be happy to share relevant examples during our discussion. One quick question: is your REST API already available with authentication endpoints and documentation? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan

@gutibs

Hi! This is something we can handle without problem. A couple of things that would help me scope this properly: are the wireframes already finalized, or is there still some design work involved? And on the backend — do you have a REST API already built, or is that part of the job too? For the Flutter side, Provider is a solid choice for what you're describing, and we'd keep the architecture clean enough that adding modules later doesn't mean a rewrite. We'd cover the three screens, auth flow, error handling, unit and widget tests, and walk you through the store submission process. Happy to give you a realistic timeline and breakdown once I know the backend situation and how locked-in the wireframes are. Gustavo & the DoTheCode team

@Guptapuru304

Hello, We’ve reviewed your project details and are excited about the opportunity to assist in building your cross-platform Flutter app. We understand you need a clean, efficient, and scalable mobile app for Android and iOS, with seamless navigation and robust backend integration. We've successfully delivered similar projects, utilizing Flutter to create responsive and high-performance apps. Our experience aligns perfectly with your requirements, from secure REST API integration to using the Provider package for state management. With over 8 years in AI-first product development, our expertise spans web platforms, automation, and intelligent systems—skills that will enhance your app's performance and user experience. Our track record with over 200 clients showcases our ability to deliver quality solutions on schedule. Please message us with more details. We'll provide a tailored proposal within 24 hours. Let's build something intelligent and impactful together. Best regards, Puru Gupta