Full-Featured Mobile Marketplace App Development

@webbookstudio

Hi there, We understand you're looking to develop a comprehensive mobile marketplace app with separate dashboards for customers and sellers, featuring real-time chat, push notifications, and secure transaction logging. Our team at Webbook Studio has experience in building complex mobile apps, including a music voting app using React Native and a furniture store app using Flutter. We're confident in our ability to deliver a high-quality, scalable solution using technologies like PHP, Flutter, and API development. Can you share more about your plans for future scaling and how you envision the app evolving over time? 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 project goal of developing a full-featured mobile marketplace app that offers seamless experiences for both customers and sellers. My background in building and scaling apps for over 1 million users directly applies to the challenges of creating a robust platform that accommodates real-time interactions, secure transactions, and efficient categorization of listings. For strategic insight, ensuring strong encryption and following best-practice security standards will be crucial for safeguarding user data and maintaining trust. My past success in developing high-security systems and implementing OTP authentication demonstrates my commitment to delivering secure solutions. With a meticulous approach to clean code and scalability, I am confident in meeting your project requirements and exceeding your expectations. I encourage you to reach out to discuss further details and the roadmap for successfully executing your vision. Let's collaborate to bring your mobile marketplace app to life with exceptional quality and functionality.

@diektech

Hi — Elias here from Miami. I see you’re looking to build a full-featured mobile marketplace app for both iOS and Android. The goal is to create a seamless experience for users while supporting diverse functionalities. The real challenge typically lies in ensuring scalability and maintainability as user demand grows. A common issue in systems like this is managing the complexity of user roles and permissions, especially when integrating payment gateways and backend services. It looks straightforward initially, but the architecture must be robust to handle future expansions and ensure reliability. My approach would involve using Flutter for a unified codebase, making updates easier across platforms. I would focus on a modular architecture to simplify maintenance and enhance performance. By designing with scalability in mind from the outset, we can mitigate risks associated with growth. I have developed similar platforms where user interaction and backend integration were crucial, ensuring a smooth user experience while maintaining system integrity. A few questions to better understand the scope: Q1 – What specific user roles and permissions will the app require? Q2 – Are there any particular payment gateways you plan to integrate? Q3 – What are your expectations regarding user scaling in the first year? Looking forward to hearing from you.

@corpmember29

Hello!! Full-Featured Mobile Marketplace App – I have carefully reviewed your requirements, and I HAVE DEVELOPED SIMILAR MARKETPLACE, E-COMMERCE, AND BUYER-SELLER MOBILE APPLICATIONS BEFORE THAT I CAN SHOW YOU. >>>> Multi languages (English and Arabic)Left-To-Right (LTR) and Right-To-Left (RTL) <<<< I have 14+ years of experience in Flutter, Android, iOS, Node.js, Firebase, and API development. I can build a scalable marketplace application with separate buyer and seller dashboards, phone number OTP authentication, AI-powered image auto-categorization, multi-image listings, real-time chat with image sharing, push notifications, secure payments, digital product delivery, shipping tracking, complete transaction history, end-to-end encryption, and an advanced admin analytics panel for users, sales, and dispute management. The solution will be production-ready, well-documented, optimized for performance, and designed to support future feature enhancements. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, AND ASSIST YOU FROM DEVELOPMENT TO SUCCESSFUL DEPLOYMENT. WE WILL FOLLOW AN AGILE METHODOLOGY TO ENSURE TRANSPARENCY THROUGHOUT THE PROJECT. I am available on desk as per your convenient time zone and will work on your project until you are satisfied with my work. Thanks Christina

@gotucat

Hi, I reviewed the project and the main requirement is a full-featured mobile marketplace app for iOS and Android with separate buyer and seller experiences, including listings, multi-photo uploads, auto-tagging, real-time chat, and secure, auditable deal history. For Mobile App Development using Flutter, I’ll build a single cross-platform codebase that powers Android and iOS, with a robust API Development layer for listings, chat, payments, and push notifications. The workflow will include image auto-tagging, OTP login, and encrypted data storage. Expect quality, responsive delivery, clean code, and easy maintenance with setup/docs and a brief video walkthrough. Let's discuss here now.

@kamran2012

I can help with this, Hi, I will deliver your dual dashboard marketplace app for iOS and Android: customer view, seller view, OTP login, real time chat, image auto tagging, and the full deal flow through to payment confirmation. Source code, admin analytics console, docs, and video walkthrough all included. On a similar marketplace build, separating the chat and negotiation layer into its own microservice kept notification delivery under 2 seconds and made the 90%+ auto tag accuracy target easier to hit by isolating the image pipeline. Questions: 1) For the image auto categorization, do you have a predefined category list, or should the model generate categories from your initial product set? 2) Which payment gateway do you prefer (Stripe, PayPal, or region specific)? Looking forward to talking through the details. Kamran

@ozbas

As a seasoned full-stack software engineer with over a decade of experience, I am confident in my ability to not only meet but exceed the expectations you've laid out for your mobile marketplace app. My skill set includes proficiency in key technologies such as Flutter, React Native, and API development. These will be crucial in building separate dashboards for both customers and sellers, tracking sensitive data securely, ensuring seamless deal flow functionality, and implementing features like OTP login with robust security measures. My work with Firebase/FCM/Push Notification and Google Maps APIs will facilitate smooth and real-time communication between customers and sellers for negotiations or sharing images, while my expertise with payment gateways (PayPal, Braintree, Stripe) ensures secure transactions for digital as well as physical products. Over the years, I have also optimized my deployment processes and can provide clean, well-documented code that's scalable for future expansions. Additionally, I intend to wrap up the project not just by delivering production-ready iOS/Android apps but by providing an admin-level analytics console for monitoring user counts/sales along with comprehensive build/deployment documentations. With daily communication, free technical support post-completion, and my unwavering dedication to your project's success, hiring me as your developer is a decision you won't regret!

@onkarkulkarni8

Hi, I can help with your "Full-Featured Mobile Marketplace App Development" project. I develop clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, mobile app development, iphone, android, ios development, flutter, android app development, api development, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. You'll get clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "They delivered the project well ahead of the committed delivery date. It was an experienced team, and I would be happy to hire them again." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@starttechno

A marketplace with fully separate buyer and seller dashboards, AI auto-tagged listings, and in-app negotiation is close to what I built for iimiin, a live-commerce app running on iOS and Android with real-time chat, payments, and phone OTP sign-in. For your build I'd use Flutter for one clean codebase across both platforms, backed by a Node/PHP API and Postgres. Uploaded photos run through a vision model that categorizes each image server-side, so your 90% auto-tag target stays measurable and tunable. Chat and the sub-3-second alerts ride a socket layer plus FCM/APNs push. OTP login gets rate limiting, short-lived tokens, and strict expiry to survive a security audit, and every step from first contact to payment confirmation is written to an immutable deal log both sides can review anytime. Physical goods get shipping-status tracking while digital products get secured file delivery, everything encrypted in transit and at rest. You get full source, the admin analytics console for user counts, sales volume, and dispute flags, docs, and a feature walkthrough video. One scoping question: for the 90% auto-tag goal, do you already have a fixed category taxonomy, or should I design one from your expected product mix? Muhammad Saad

@Hammadhassan21

Hi, I can do in your budget and start from now so let's a have a quick chat to discuss your project in detail then we will move forward and I understand you need a complete mobile marketplace application with separate customer and seller experiences, real-time communication, secure transactions, and AI-powered image organization, and I can build a scalable solution that delivers a smooth experience on both iOS and Android. I can develop the app with dedicated buyer and seller dashboards, listing management, multi-image uploads with automated image categorization, real-time chat, push notifications, OTP-based authentication, and complete transaction history tracking. I will also integrate support for both physical and digital products with shipping updates and secure file delivery workflows. I will focus on a modern scalable architecture with strong encryption, secure API communication, proper data protection, and an admin analytics dashboard for monitoring users, sales, and disputes. The project will include production-ready source code, deployment documentation, maintenance guidance, and a complete walkthrough video covering all major features. Please check out my profile to review my past projects and portfolio: https://www.freelancer.com/u/Hammadhassan21 I am available to start immediately. Ping me to discuss your preferred tech stack, project roadmap, and get started. Thanks.

@shubhamshrimal7

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 mobile 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

@KatrinaQ

Hi, I'm a senior developer with 20+ years of experience, including Top Rated status on Freelancer.com with 1,500+ completed projects, and I’ve built similar marketplace apps for both iOS and Android. I'll develop the Flutter app with separate buyer/seller interfaces, integrate phone-number OTP login with security controls, and implement real-time chat using Firebase for instant messaging. I'll set up automated image categorization via a backend service, handle real-time push notifications through Firebase Cloud Messaging, and store all transactions, chat logs, and media in an encrypted PostgreSQL database with secure API endpoints. I’ll ensure the end-to-end deal flow is tested on both platforms to meet your acceptance criteria, including the 90% image auto-tagging accuracy and 3-second notification delivery benchmark. I’ll deliver production-ready apps with source code, an admin analytics console, and deployment documentation. I can start immediately.

@ZohaibRoy

⭐⭐⭐⭐⭐ Build a Full-Featured Mobile Marketplace for iOS & Android ❇️ Hi My Friend, I hope you are doing well. I just reviewed your project requirements and I see you are looking for a mobile marketplace solution. You have no need to look any further as Zohaib is here to help you! My team has successfully completed 50+ similar projects for mobile applications. I will create a seamless app experience for both customers and sellers, focusing on smooth navigation and real-time communication. ➡️ Why Me? I can easily build your mobile marketplace as I have 5 years of experience in mobile app development, specializing in iOS and Android platforms. My expertise includes user interface design, real-time chat integration, and secure payment systems. Not only this, I have a strong grip on backend development and database management, ensuring a robust solution. ➡️ 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 this with you in chat. ➡️ Skills & Experience: ✅ Mobile App Development ✅ iOS & Android ✅ UI/UX Design ✅ Real-Time Chat ✅ Push Notifications ✅ Payment Integration ✅ Database Management ✅ API Development ✅ Security Standards ✅ Image Processing ✅ User Authentication ✅ Analytics Integration Waiting for your response! Best Regards, Zohaib

@mahig47

Hi, I've carefully reviewed your requirements, and I'm pleased to let you know that I have already developed similar multi-vendor marketplaces, eCommerce platforms, classified listing applications, and real-time buyer-seller mobile apps with secure transactions and scalable architectures. I understand your goal is to build a full-featured cross-platform marketplace that offers completely separate experiences for customers and sellers while supporting AI-powered image categorization, real-time chat, OTP authentication, secure transactions, digital and physical product management, and an admin analytics dashboard. With 7+ years of experience, I can build your application using Flutter (recommended) or React Native with a scalable backend powered by Node.js/NestJS or Laravel, ensuring a clean and future-ready architecture. The platform will include separate buyer and seller dashboards, AI-based image auto-tagging, real-time messaging, phone OTP authentication, push notifications, encrypted data storage, digital file delivery, shipping workflow, complete transaction history, analytics dashboard, and secure APIs designed to scale as your marketplace grows. Additionally, I provide 3 months of free post-launch support for bug fixes, performance optimization, and minor improvements. PLEASE INITIATE CHAT SO I CAN SHARE MY PREVIOUS MARKETPLACE, MULTI-VENDOR, AND REAL-TIME MOBILE APPLICATION PROJECTS. Best Regards, Nikita Gupta

@zainalitariq245

Hey, i will build your full-featured iOS and Android marketplace app with separate buyer and seller dashboards, OTP authentication, AI-powered image categorization, real-time chat, secure payments, push notifications, and a scalable architecture ready for production. I have experience developing secure marketplace applications with clean, well-documented code, real-time features, strong encryption, admin analytics, and smooth end-to-end workflows. I’ll ensure every feature meets your acceptance criteria and is built for future growth. Do you already have the UI/UX design and preferred tech stack, or should I handle those as well? Portfolio: https://www.freelancer.pk/u/zainalitariq245 I’m ready to start immediately and deliver a high-quality, scalable marketplace app. Best Regards: Zain Ali

@Hubready

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) and I read your project description carefully. You’re building a full-featured mobile marketplace app for both iOS and Android, and I understand the goal is not just an app, but a smooth, reliable marketplace with clean UX and solid API-backed performance. I have about 15 years of experience with PHP, Flutter, iOS/Android development, API development, and production systems. I’ve built marketplace-style apps, admin panels, payment and user flow integrations, and backend APIs that keep mobile apps fast and stable. My approach would be: 1. Review your core marketplace flow and must-have features 2. Plan the backend/API structure and data model 3. Build the Flutter app for iOS and Android with a clean UI 4. Test key flows, fix edge cases, and polish performance Relevant work examples include: - a local marketplace app for service listings - a Flutter delivery and booking app - a PHP/API backend for a multi-vendor platform - a cross-platform buyer/seller app with chat and notifications Could you please clarify the following questions to help me better understand the project? 1. What are the must-have features for phase one? 2. Do you already have the backend/API, or should I build it too? 3. Do you have a design reference or preferred UI style? I’m very detail-focused, and that usually saves time and avoids rework.

@TayyabNawaz1

Drawing from my over 8 years of experience, I am quite confident that I possess the necessary skills and expertise to successfully execute your project. My proficiency in Android App Development, Flutter, Mobile App Development, and PHP align perfectly with the needs of your project. By utilizing these skills, I can deliver production-ready iOS & Android apps with source code, an analytics console, comprehensive documentation, and a video walkthrough that demonstrates each major feature. Moreover, my eye toward future scaling will ensure that your app is not only performance-optimized but also primed for potential growth. Building on that compatibility, my familiarity with handling sensitive data and strong encryption solutions will guarantee the utmost security for all of your users' information. Finally, I believe in fostering long-term relationships with my clients through clear communication and on-time delivery. Hence, by selecting me for this exciting project you can be assured of working with a diligent professional who will take into account every aspect of your unique vision and turn it into an impeccable reality. I look forward to beginning this incredible journey with you!

@melikatfz

Hi there, Building a seamless mobile marketplace that functions flawlessly on both iOS and Android can be challenging. Ensuring real-time communication, secure transactions, and efficient image categorization are just a few of the technical hurdles you might face. Fortunately, with my extensive experience in mobile app development using Flutter, I can deliver a robust solution that meets your criteria and scales with ease. Here are my questions: What specific categories are you considering for image auto-categorization? Also, have you decided on a preferred payment gateway for integration? Let's discuss your project now!

@Rajoriadares

Hello Client, Greeting of the day!!!! I read your job description. I can do this job with quality product. I am always available for your support. Thanks