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I’m ready to launch a fresh Android-only marketplace where users can trade both physical and digital items from a single, intuitive mobile experience. The core of the first release is solid user profiles that let sellers manage listings and buyers track favourite items, messages, and purchase history. Here’s the flow I have in mind: a new user signs up, creates a profile, and can immediately post an item with photos (or upload a digital file), set a price, and choose basic shipping or direct download. Other users browse, filter by category or keyword, open the seller’s profile for credibility, and then move forward with the transaction. For now, payment handling will be kept minimal; we can discuss whether to start with a simple cash-on-delivery or voucher code approach, and leave full payment-gateway integration for phase two. You would own: • Designing and building the native Android app in Kotlin or Java • Implementing secure sign-up / log-in and profile management • Creating the item listing, search, and category views for both physical and digital goods • Setting up a lightweight backend or Firebase instance to store user data, images, and files • Delivering clean, well-commented source code and an APK ready for Play Store submission Once this foundation is in place, I plan to add payments and a review system, so clean architecture and modular code are important. Let me know your preferred tech stack, any similar apps you’ve shipped, and a realistic timeline for an MVP that covers the features above.
Project ID: 40510122
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192 freelancers are bidding on average $13,449 USD for this job

**Expert mobile based marketplace developer ** Hello, Greetings! I have checked your project requirement for building an Android marketplace application where users can buy and sell both physical and digital products. Users will be able to sign up, create profiles, post listings with images or digital files, manage their products, browse and search listings by category or keyword, view seller profiles, save favourite items, track purchase history, and communicate through the platform. Admin will be able to manage users, listings, categories, reported content, digital assets, transactions, and platform settings through a centralized backend. Admin will also have access to user activity and marketplace reports to ensure smooth platform operations. We understand the concept of a marketplace application and can surely build an app as per your required features. We can develop the Android app using Kotlin with Firebase for authentication, data storage, file management, and scalable backend services while keeping the architecture modular for future payment gateway and review system . Kindly initiate the chat for further discussion. Thanks & Best Regards Team Owebest || KD
$14,500 USD in 60 days
10.0
10.0

⭐️⭐️⭐️ Android Marketplace App for Physical & Digital Goods ⭐️⭐️⭐️ Hello, I checked the JD and understand that you want to build an Android-only marketplace where users can buy and sell both physical and digital products. The MVP should include secure user accounts, profile management, item listings, search functionality, file uploads, and a scalable backend ready for future payment and review features. Main Features: * Hybrid Android app (flutter/react native ) * Secure user registration and login * User profile management * Seller dashboard * Buyer dashboard * Product listing creation * Physical product support * Digital product upload and delivery * Image and file upload * Category management * Advanced search and filtering * Keyword-based search * Favorite items functionality * In-app messaging * Purchase history tracking * Seller profile pages * Product detail pages * Basic shipping options * Direct digital downloads * Firebase or lightweight backend integration * Cloud storage for images and files * Push notifications * Admin panel * Content moderation tools * Scalable architecture for future payments * Review system readiness * Secure data handling Let’s chat… Thanks
$10,000 USD in 35 days
9.9
9.9

With over a decade of experience in full-stack architecture and mobile app development, I understand the importance of creating a seamless Android marketplace where users can easily trade physical and digital goods. Your project goal of launching a user-friendly marketplace aligns perfectly with my background in delivering high-performance solutions for complex systems. My strategic insight for this project is to focus on creating a secure and scalable platform for users to interact and conduct transactions smoothly. I have successfully built and scaled mobile apps serving over 1 million users, showcasing my ability to handle projects of this complexity. I encourage you to reach out so we can discuss the roadmap for your Android Goods Marketplace App. I am confident that with my expertise in native Android development using Kotlin and Java, along with my experience in secure sign-up/log-in processes and backend setup, we can deliver an MVP that meets your requirements within the specified budget and timeline.
$16,000 USD in 75 days
9.1
9.1

As an experienced developer, I possess a keen eye for design, mastery of multiple technologies, and a deep understanding of the needs of mobile commerce which make me well suited for this project. I have a proven track record in building solid user profiles and implementing secure sign-up features while ensuring smooth UX throughout the process. My proficiency in Android app development coupled with my familiarity with PHP and knowledge of backend setups (such as Firebase) ensures that not only will your app look great, but it will also function seamlessly. I believe in creating clean, well-commented source code that improves maintainability, and the foundation we will build together will provide significant room for expansion later on. Over the years, I've launched several apps similar to what you describe here – marketplaces, user-driven platforms, and more. This means that I can easily leverage this experience to integrate best practices from those projects into your vision. Overall, my diverse skill set alongside my strong background in UI/UX design and mobile app development make me an ideal candidate to bring your innovative marketplace concept to life.
$18,000 USD in 90 days
9.4
9.4

Hi — Elias here from Miami. I see you’re looking to launch an Android marketplace for trading physical and digital goods. This venture has strong potential, but also presents some technical challenges. What usually matters most here is ensuring a seamless user experience while managing complex workflows and integrations. The tricky part is usually handling the scalability of user transactions and ensuring reliable data management. This can become cumbersome if not designed properly from the start. My approach would involve creating a modular architecture, emphasizing maintainability and future expansions. I'd ensure that user roles are clearly defined and that the integration with payment gateways is robust. This will help simplify the user journey and support scaling as the platform grows. I’ve worked on similar marketplace applications, focusing on secure transactions and user-friendly interfaces, which can help mitigate common pitfalls. A few questions to better understand the scope: Q1 – What user roles do you envision for this marketplace? Q2 – Are there specific payment gateways or integrations you plan to utilize? Q3 – What are your scaling expectations in terms of users and transactions? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$15,000 USD in 35 days
8.6
8.6

Hello, i have already worked on an Android B2B Market place applications, i can show you sample app. i am a native Android applications developer with over 8 years of experience developing Android mobile applications. I have completed more than 515 projects. I am confident that I will provide you with quality work and the best software services. Let's chat to proceed.
$12,000 USD in 60 days
8.9
8.9

Interesting project, I will build your Android marketplace app in Kotlin — user profiles, item listings with photo/file upload, search and category filtering, and in-app messaging — all backed by Firebase for auth, Firestore, and Cloud Storage. Since you plan to add payments and reviews in phase two, I will structure the app using MVVM with a clean repository layer so each future module plugs in without touching existing code. For digital goods specifically, I will use Firebase Security Rules to gate file download URLs behind purchase verification — preventing direct link sharing even before a full payment gateway is in place. Questions: 1) Do you have wireframes or specific UI direction, or will I handle the design as well? Ready to start whenever you are. Kamran
$11,453 USD in 30 days
8.5
8.5

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your Goods marketplace app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
$10,000 USD in 45 days
8.0
8.0

⭐⭐⭐⭐⭐ Build an Android Marketplace for Trading Physical and Digital Items ❇️ Hi My Friend, I hope you are doing well. I’ve reviewed your project details and understand you’re looking to create an Android-only marketplace. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for mobile app development. I will design and build a user-friendly app where users can easily trade items, manage profiles, and track their transactions. ➡️ Why Me? I can easily create your Android marketplace as I have 5 years of experience in mobile app development, focusing on user profiles, secure logins, and item listings. My expertise includes Kotlin, Java, and backend integration. I also have a strong grip on Firebase for data storage and user management. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work, demonstrating my skills in building efficient mobile applications. Looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Android Development ✅ Kotlin & Java ✅ Firebase Integration ✅ User Authentication ✅ UI/UX Design ✅ Item Listing Creation ✅ Search Functionality ✅ Data Management ✅ Clean Code Practices ✅ API Integration ✅ Payment Systems ✅ Mobile App Testing Waiting for your response! Best Regards, Zohaib
$12,000 USD in 2 days
7.8
7.8

I understand you want an Android-only marketplace where users can list physical and digital goods, manage profiles, browse by category, and complete a simple first transaction flow. I would build the MVP around the seller listing flow, buyer discovery, messaging/purchase intent, and admin moderation first, then keep payment handling deliberately simple until the phase-two gateway decision is made. For this project, I would focus especially on: - Native Android listing creation with photos, digital-file support, categories, search, and favorites - Seller profiles, buyer history, messaging, credibility signals, and basic moderation controls - A backend model that can support COD/voucher now and a real payment gateway later without rework If helpful, I can outline the marketplace MVP screens and backend entities before development starts. Best, Dr. Syafiq
$20,000 USD in 21 days
7.6
7.6

Hello! We've thoroughly reviewed your project details for launching an Android Goods Marketplace App and are excited about the opportunity to collaborate. It's clear that the app's focus on user-friendly profile management and seamless item listing aligns perfectly with our expertise. We recently completed a similar project for a client, which involved building a marketplace platform with robust user profiles and intuitive navigation. This experience equips us to efficiently tackle your requirements, from secure sign-ups to category-specific item browsing. Our strength lies in delivering end-to-end solutions, and with over eight years in AI-first product development and web platforms, we're confident in crafting a scalable and clean architecture for your app. Using Kotlin or Java, we'll ensure the app is modular, allowing for future enhancements like payment integration and review systems. Our portfolio showcases our proficiency in mobile app development, particularly in Android environments. We’ve consistently delivered top-rated results, as reflected by our 200+ satisfied clients. We'll utilize Firebase for backend management, offering a robust solution for storing user data and media. Please message us to discuss further details. We can then provide a tailored proposal within 24 hours, detailing our approach and timeline for your MVP. Looking forward to building something impactful together. Best regards, Puru Gupta
$20,000 USD in 50 days
7.2
7.2

Hello, Your marketplace concept aligns well with my experience. I can build the Android MVP using Kotlin and Firebase, covering secure user profiles, authentication, listings for physical and digital products, search/filtering, seller profiles, favorites, and file/image uploads. I’ll deliver clean, modular, well-documented code, a scalable architecture ready for future payments and reviews, and a Play Store-ready APK. A realistic timeline for the MVP is 4–6 weeks, depending on messaging and final requirements. I’d be happy to discuss the best approach for Phase 1 and future expansion. Thanks
$10,000 USD in 7 days
7.5
7.5

Hi there, I understand you need an Android-only marketplace MVP where users can register, manage profiles, post physical or digital items, upload photos/files, browse/search categories, save favourites, message sellers, and track purchase history. I have experience building Kotlin/Java Android apps with Firebase backends, secure authentication, Firestore/Realtime Database, cloud storage, listing workflows, search/filter screens, profile systems, APK packaging, and modular architecture for future payments and reviews. I would structure the MVP with Firebase Auth, secure storage rules, seller/buyer profiles, item-type logic for shipping or download, clean marketplace UI, messaging/favourites modules, and documented source code ready for Play Store submission. Q1: Should digital downloads be available immediately after purchase/voucher confirmation? Q2: Do you prefer Firebase, or do you already have a backend in mind? Q3: Should messaging be real-time chat or simple enquiry messages for MVP? Best regards.
$15,000 USD in 7 days
7.4
7.4

The tricky part here isn't the listings — it's that one app cleanly handles two very different item types. A physical item needs photos and a shipping choice; a digital one needs a file upload and a secure download. So I'd model "item" with a type flag from day one and branch the posting and checkout flows off it, which keeps your phase-two payment work from turning into a rewrite. I'd build native in Kotlin on Firebase: Auth for sign-up/login, Firestore for profiles and listings, Storage for images and files — with download URLs gated behind auth so digital goods can't be hot-linked or shared for free. Search starts as category/keyword filtering, moving to a proper index once the catalogue grows. Favourites, messages, and purchase history hang naturally off the user record. Worth deciding early: should digital downloads be one-time/expiring links, or permanent once acquired? Happy to start on this.
$15,000 USD in 25 days
6.9
6.9

Launching an Android-only marketplace for both physical and digital goods means managing distinct inventory and delivery workflows. The hidden challenge is ensuring seamless integration between digital downloads and physical shipping within one app. Our cross-platform Flutter expertise coupled with backend Laravel for complex logic can handle this seamlessly. How do you plan to manage payment and security for digital versus physical goods? Let’s discuss the best approach to get your app live efficiently.
$18,000 USD in 21 days
6.9
6.9

Hello! I am glad to say that i have already developed an Android only marketplace application where users can buy and sell both physical and digital items through a simple and intuitive mobile experience. The goal is to create a strong MVP that focuses on user profiles, item listings, search and discovery, and basic transaction flow, while keeping payment integration lightweight for the first phase. My focus will be on developing a native Android application using Kotlin or Java with secure authentication, user profile management, item listing creation with photo or file upload support, category based browsing, search and filtering system, and seller profile pages for trust building. The app will be designed with a clean architecture to ensure scalability for future features like advanced payments, chat, and order tracking. I specialize in Android application development with experience in building marketplace platforms, e commerce style systems, and content driven mobile apps, focusing on performance, secure data handling, and smooth user experience. My approach ensures a maintainable codebase that can easily evolve into a full featured marketplace in later phases. Let’s connect to define the structure and build a scalable Android marketplace MVP. Best regards, Nikita Gupta.
$10,000 USD in 45 days
6.8
6.8

Hello, Our approach for your project will include: • Native Android app development (Kotlin-based, modern architecture) • Secure user authentication (sign-up, login, profile management) • Seller and buyer profile system with listing management • Item posting flow for physical products (images + shipping options) and digital products (file uploads + instant delivery) • Search, filtering, and category browsing for a smooth marketplace experience • Lightweight backend using Firebase (Firestore, Storage, Authentication) • Basic chat or messaging structure (optional depending on MVP scope) • Clean, maintainable, and well-documented source code • APK delivery ready for internal testing and Play Store submission We place strong emphasis on modular architecture so future upgrades like payment gateways, COD/voucher logic, rating systems, and dispute handling can be integrated without rewriting core components. Once the MVP is stable, scaling into Phase 2 (payments, reviews, and trust systems) will be straightforward due to the foundation we establish in the initial build. We’d be happy to discuss your preferred UI direction, timeline expectations, and any reference apps you like so we can align the experience precisely with your vision. Best regards, InfineoSoft
$15,000 USD in 60 days
6.7
6.7

Hello, I will develop your GOODS MARKETPLACE MOBILE APPLICATION for Android platform with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$10,000 USD in 40 days
6.6
6.6

Hello, I hope you are doing well. I understand that you are looking to build a GOODS MARKETPLACE, and I would be happy to help. I have extensive experience in designing and developing marketplaces and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$10,000 USD in 50 days
7.2
7.2

Creating an Android goods marketplace sounds like an exciting venture. To facilitate trading both physical and digital goods, I would recommend focusing on a clean user interface that makes navigation intuitive. Given the requirement for both PHP and Java, I’d suggest building the backend with Laravel for efficient API handling while using Kotlin for a native Android experience. This approach allows for a smooth integration of features like user profiles and transaction management. I'd start by setting up the backend with Laravel, then move to developing the Android app in Kotlin to get a functional prototype up quickly. Q1: What specific features do you envision for the user profiles? Q2: Do you have any particular payment gateways in mind for transactions? Q3: Are there any existing designs or inspirations you want to follow for the UI? Let’s make this marketplace a reality.
$15,000 USD in 99 days
6.6
6.6

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