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I need two customer-facing products created side by side. First, a fully responsive website built with clean HTML5, modern CSS (Flexbox/Grid), and vanilla JavaScript. It should load fast on any device, maintain consistent styling across screen sizes, and be easy for me to update later. Second, an Android-only mobile application written in Flutter. Although Flutter is cross-platform, at this stage I only plan to publish on Android, so you can optimise layouts, assets, and performance for that environment. Deliverables • Source-controlled website code (HTML, CSS, JS) ready to deploy on a standard web host • Flutter project targeting the latest stable SDK, signed APK/AAB plus source code Keep the design language consistent between web and mobile, comment your code clearly, and provide a brief read-me explaining build or deployment steps.
Project ID: 40542237
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213 freelancers are bidding on average $510 USD for this job

Hello, I have carefully read your project requirements, and it would be an honor to develop both your responsive website and Android Flutter application. I understand that you need a fast, modern website built with HTML5, CSS, and JavaScript alongside a Flutter application optimized specifically for Android, with a consistent design and user experience across both platforms. With over 14 years of experience in web and mobile application development, I can build a clean, responsive website using HTML5, CSS3 (Flexbox/Grid), and JavaScript, while developing a high-performance Flutter application targeting the latest stable Android SDK. Both products will share a unified design language, intuitive navigation, and optimized performance. I will provide clean, well-commented source code, version-controlled projects, deployment-ready website files, signed APK/AAB files, and a detailed README with build and deployment instructions to ensure easy future maintenance. Please check my profile to see my excellent client reviews and ratings, which reflect the quality, reliability, and professionalism of my work. The budget and timeline of the project can be discussed further based on the complete scope and feature requirements. Warm Regards, **Harpreet Singh**
$250 USD in 5 days
9.4
9.4

Hi, Building the website and Android app side by side is a smart approach, and I can help keep the visual language consistent across both without creating two codebases that drift apart. I’ll keep the web front end lightweight, maintainable, and easy to update, while mirroring the same design system in Flutter so the app feels like the same product. My focus will be on shared UI structure, navigation flow, and responsive layout rules first, then I’ll build each deliverable cleanly around that. For the website, I’ll use semantic HTML5, maintainable CSS, and simple JavaScript only where it improves behavior. For the Flutter Android app, I’ll optimize layout behavior, asset handling, and APK/AAB output so the build is stable and ready for publishing. I’ll also include code comments and a short deployment/read-me for easier maintenance. Timeline: I can review your requirements first and then move into implementation immediately after the structure is confirmed. Do you already have the screens and content ready, or would you like help defining the website and app structure first?
$287 USD in 12 days
9.7
9.7

Hi, I can build both your responsive website and Android Flutter app together with a consistent design system so your users get the same experience on web and mobile. For the website, I’ll use clean HTML5, modern CSS (Flexbox/Grid), and vanilla JavaScript to keep it fast, lightweight, and easy for you to maintain or update later without dependency issues. For the mobile app, I’ll use Flutter (latest stable SDK) and optimize it specifically for Android performance, UI spacing, and asset handling so it feels smooth and production-ready. Both platforms will share a consistent visual language so branding remains uniform across devices. Deliverables: • Fully responsive website (HTML, CSS, JS) ready for deployment • Flutter Android app (AAB/APK + source code) • Clean, well-structured, source-controlled code • Consistent UI/UX across web and mobile • Simple README with setup & deployment steps I keep the codebase clean and modular so you can easily scale or update both products later without technical dependency. I’ve built similar web + mobile paired systems before, focusing on performance and maintainability. Ready to start as soon as requirements are finalized.
$500 USD in 7 days
9.5
9.5

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a responsive web and Android Flutter app to showcase your products seamlessly. My background in handling high-complexity projects, such as serving over 1 million users on Telegram Mini Apps, directly applies to the challenges of creating user-friendly and efficient customer-facing products like yours. For strategic insight, I recommend using a mobile-first design approach to ensure optimal performance on Android devices while maintaining consistent styling with the website. My past success in developing Flutter applications for high-performance experiences aligns perfectly with your project requirements. I encourage you to connect with me to discuss the roadmap for your project further. Let's collaborate to bring your vision to life with a responsive website and an optimized Android Flutter app that will captivate your audience.
$600 USD in 20 days
8.9
8.9

Hi — Elias here from Miami. I see you're looking to develop a responsive website and an Android Flutter app simultaneously. This dual approach can streamline user experience but also presents unique technical challenges. What usually matters most here is ensuring both products maintain consistency in design and functionality while addressing different platform requirements. A common issue in projects like this is managing shared components and data flows effectively. The tricky part is ensuring scalability and performance across both platforms, especially with potential user growth. To tackle this, I would propose a modular architecture that allows for reusable components while ensuring the backend can handle requests from both the website and the app efficiently. This approach prioritizes maintainability and future-proofing, making updates and feature additions easier. I’ve worked on similar projects developing cross-platform applications using Flutter, which has given me insights into managing data and user interactions effectively. A few questions to better understand the scope: Q1 – What specific user roles and permissions are you envisioning for both products? Q2 – Are there any integrations with existing systems or third-party services that we should plan for? Q3 – What are your expectations regarding scalability and future feature enhancements? Looking forward to hearing from you.
$600 USD in 5 days
8.7
8.7

Hello, Do you have any UI full screens graphic design ? For website/android app ? Do you have any features list details document ? i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have developed many Business Solutions from scratch to Stores ready applications. i have completed more than 550 projects. i have live sample apps for you. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.
$1,500 USD in 30 days
8.9
8.9

**LET'S BUILD A SEAMLESS WEB & ANDROID EXPERIENCE THAT LOOKS GREAT ON EVERY DEVICE!** Your goal is to have a fast, responsive website and a high-performance Android app with a consistent design and clean, maintainable code. With 12+ years of experience in web and mobile development, I have delivered similar cross-platform solutions using modern technologies. I can build a responsive HTML5, CSS3 (Flexbox/Grid), and JavaScript website alongside a Flutter Android application, ensuring both share the same branding, UI/UX, and performance standards. You'll receive well-structured, commented source code, deployment-ready website files, a Flutter project with signed APK/AAB, and clear documentation for future updates and deployment. Let's schedule a quick call to discuss your requirements, design preferences, and timeline. I'm ready to get started immediately.
$250 USD in 7 days
8.4
8.4

With 12+ years of experience in web and mobile development, I have become a master at crafting robust, user-friendly, and efficient code. Your project is right up my alley, as I have an extensive background not only in developing responsive websites with HTML5, CSS (including Flexbox/Grid), and JavaScript but also in creating native mobile applications using the Flutter framework specifically targeting Android platforms. As a developer, I understand the importance of consistent design language and optimal performance across different mediums. Hence, even though Flutter is cross-platform capable, my expertise lies in analyzing and adapting to specific requirements like yours to create seamless experiences. I can ensure that your website loads quickly and consistently across all devices, while the Android app uses optimized layouts and assets for maximum efficiency. Moreover, my forte extends beyond merely writing code; I prioritize clear communication and detailed documentation for easier understanding and future enhancements. Rest assured, you'll receive both source-controlled website code ready for deployment and a signed APK/AAB for your Android application along with necessary read-me files. With me on board, not only will you get a polished product but also long-term support from a seasoned developer who thrives in big-picture thinking. Let's build a responsive web & Android Flutter app that brings your business vision to life!
$500 USD in 20 days
8.0
8.0

Hi, I've read your brief — "Responsive Web & Android Flutter App". This is squarely our wheelhouse at Global IT Vision: a polished cross-platform mobile app for iOS + Android with clean UX and a solid backend/API where needed. We deliver clean, maintainable work with a smooth handover and clear communication, and we're ready to start right away. — Muhammad Idrees / Global IT Vision Pvt. Ltd
$500 USD in 21 days
8.1
8.1

Hi, We reviewed your requirements and understand that you're looking to build both a responsive website and an Android application with a consistent design language. Our focus will be on delivering clean, maintainable code, fast performance, and a seamless user experience across both platforms. Our approach begins with defining a shared UI system to ensure consistency between the website and mobile app. We'll develop the website using HTML5, CSS3, and vanilla JavaScript, while building the Android application in Flutter with layouts and performance optimized for the latest Android devices. Our process includes: • Responsive Website Development (HTML5, CSS3 & JavaScript) • Mobile-First UI/UX Design • Flutter Android App Development • Consistent Design System Across Web & Mobile • Performance & Responsiveness Optimization • Cross-Browser Testing • Flutter APK/AAB Generation • Well-Documented Source Code • Deployment & Build Documentation • Final QA & Handover A couple of questions: • Do you already have UI designs or wireframes, or would you like us to create the interface from scratch? • Besides maintaining the same visual design, should the website and Android app share the same backend/API, or will they function independently? Once we review your requirements, we can deliver both products with a consistent experience, clean codebase, and complete documentation ready for deployment. Doomshell Team
$730 USD in 5 days
7.6
7.6

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on Mobile App Development, Android, CSS, HTML5, HTML, Web Development, Frontend Development, Flutter Lets connect in chat so that We discuss further. Thank You
$690 USD in 7 days
7.3
7.3

With over a decade of experience in the IT industry, my team at Walking Dreamz Technologies is uniquely positioned to deliver your project with excellence. Our speciality in custom web and mobile app development, particularly in MERN stack, aligns perfectly with your needs for a responsive website and an Android Flutter app. Rest assured, we'll create clean, up-to-date code using HTML5, modern CSS, and vanilla JavaScript for the website, and Flutter for your mobile application, optimized specifically for Android. Our track record proves our commitment to build more than just a product: we aim to establish long-term partnerships. That's why we put such emphasis on clear communication - our clients have direct access to me throughout the project. You can expect transparent progress updates, frequent demos, and milestones that keep us all on track. Finally, I would like to highlight our post-launch support. We don't consider the job done merely once your products are delivered - we believe in providing continued assistance even after the project has officially ended. So if you entrust this project to us, expect not just a responsive site and a refined app but also prolonged reliability and assistance. Let’s connect and bring your vision into fruition!
$600 USD in 12 days
7.5
7.5

Hello Build two customer products. Need fast, reliable code. My experience: shipped five complex apps. Built similar products for . Deliver working code. Ready to start. Giáp Văn Hưng
$750 USD in 7 days
6.9
6.9

Hello, I have 10 years of experience in web and mobile application development, specializing in HTML5, CSS3, JavaScript, Flutter, React, Laravel, and modern frontend technologies. I can build both your responsive website and Android application with a consistent design language and high-performance user experience. The website will be developed using clean, semantic HTML5, modern CSS (Flexbox/Grid), and vanilla JavaScript for fast loading and easy maintenance. The Android app will be built with the latest stable Flutter SDK, optimized specifically for Android performance and usability. I follow clean coding standards, maintain Git version control, and provide well-documented source code, signed APK/AAB, and deployment instructions for both deliverables. I’m confident I can deliver a polished, scalable solution that meets your requirements and is easy to maintain in the future. Best regards
$250 USD in 7 days
7.1
7.1

Hello! As per your project post, you're looking to build two customer facing products in parallel: a fully responsive website using HTML5, CSS, and JavaScript, along with an Android optimized Flutter application. The goal is to deliver a consistent, high performance experience across both platforms while keeping the codebase clean, maintainable, and ready for future enhancements. My focus will be on delivering a responsive website and Flutter application featuring: pixel perfect responsive layouts, consistent UI and branding across web and mobile, clean HTML5, CSS Grid and Flexbox implementation, optimized Flutter app for Android, well documented source code, and deployment ready deliverables with a detailed setup guide. The solution will ensure fast performance, scalability, and easy future maintenance. I specialize in Flutter, HTML5, CSS3, JavaScript, responsive web development, and modern UI implementation with a focus on performance, clean architecture, and intuitive user experiences. Let’s connect to discuss your design vision, project scope, and delivery timeline so we can build a polished solution across both platforms. Best regards, Nikita Gupta.
$300 USD in 28 days
6.9
6.9

HiTejal I’ve reviewed the requirements and they make sense. However, I need clarification on a couple of points. Please reach out so we can discuss and take the next steps. Tejal
$750 USD in 15 days
6.8
6.8

Hello there, hope you are doing well I'd be happy to develop both your responsive website and Android Flutter application with a consistent, modern design and clean, maintainable codebase. I have experience building responsive web applications and Flutter apps, ensuring smooth performance, intuitive UI, and scalable architecture. What I will deliver: Fully responsive website using HTML5, CSS3 (Flexbox/Grid), and Vanilla JavaScript Fast-loading, SEO-friendly, and cross-browser compatible design Android Flutter application optimized for the latest stable SDK Consistent UI/UX across both web and mobile platforms Well-structured, commented, and source-controlled code Signed APK/AAB, complete Flutter source code, and deployment-ready website files README documentation covering setup, build, and deployment Throughout development, I'll follow best practices for code quality, performance optimization, and responsive design, making future updates straightforward. I provide regular progress updates, thorough testing across devices, and ensure both products are production-ready before delivery. I'm ready to start immediately and would be happy to discuss your design requirements, timeline, and feature scope to deliver a polished solution that meets your expectations. Looking forward to working with you!
$250 USD in 5 days
7.3
7.3

Hi, I understand you need a responsive website and an Android Flutter app that share the same design language and provide a smooth experience across devices. I have 12+ years of experience building business applications, SaaS platforms, and customer-facing products using PHP, JavaScript, APIs, and modern web technologies. I've also worked on products like DevPremier CRM and HirePilot, where maintainability, performance, and clean architecture are important from day one. Here's how I'd approach it: Build a lightweight, responsive website using clean HTML5, CSS Grid/Flexbox, and vanilla JavaScript for fast loading and easy maintenance. Develop the Flutter app with Android-first optimizations while keeping the codebase ready for future iOS expansion. Maintain consistent branding, component behavior, documentation, and deployment instructions across both platforms. A couple of questions: Will the website and mobile app consume a common backend API, or are they independent products? Do you already have finalized UI designs, or should part of the implementation include refining the user flows? Happy to discuss the scope and suggest the best roadmap for delivery. Best regards, Ashwani
$300 USD in 10 days
6.2
6.2

Hi 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
$500 USD in 14 days
6.6
6.6

⭐⭐⭐⭐⭐ Create a Responsive Website and Android App with Flutter ❇️ Hi My Friend, I hope you are doing well. I’ve reviewed your project requirements and see you are looking for a responsive website and an Android app. You have no need to look any further; Zohaib is here to help you! My team has completed 50+ similar projects, ensuring quality and efficiency. I will build a fast-loading website with clean HTML5, CSS, and JavaScript, while also creating a Flutter mobile app optimized for Android. I will ensure both products have a consistent design language and are easy for you to update. I will provide clear comments in the code and a brief read-me for deployment steps, all within your budget. ➡️ Why Me? I can easily create your responsive website and Android app as I have 5 years of experience in web development and mobile app development, specializing in HTML5, CSS, JavaScript, and Flutter. I also have a strong grip on UI/UX design principles and performance optimization. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing with you in chat. ➡️ Skills & Experience: ✅ HTML5 ✅ CSS (Flexbox/Grid) ✅ JavaScript ✅ Responsive Design ✅ Flutter ✅ Android Development ✅ UI/UX Design ✅ Performance Optimization ✅ Source Control ✅ Code Commenting ✅ Mobile App Deployment ✅ Testing and Debugging Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
6.5
6.5

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