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I need an experienced mobile developer to deliver a fully functional e-commerce app in just three days. The core idea is straightforward: users browse, add items to a cart, check out securely, and receive order confirmations—everything shoppers expect from a modern store in their pocket. You are free to choose the framework you work fastest with—Flutter, React Native, Kotlin, Swift, or even a low-code platform—as long as the end result runs smoothly on both iOS and Android. A clean UI, responsive product pages, and a rock-solid checkout flow are non-negotiable. If you already have reusable modules for catalogue screens, cart logic, or authentication, even better; lean on them so we can hit the deadline. Key milestones I will use to sign off: • Day 1 (end of day): skeleton project with navigation, product list pulling from a dummy JSON or simple backend, and basic cart logic. • Day 2: user sign-in, polished UI, payment gateway hooks ready for my test credentials, and error handling in place. • Day 3: end-to-end testing, final builds, and handover of full source code with a concise README so my in-house team can extend the catalogue later. I will supply product data, branding assets, and any gateway credentials you need the moment we kick off. Expect rapid feedback cycles—I’m online throughout the build window. If you thrive under tight deadlines and have a portfolio of retail or e-commerce apps, I’d love to see it when you bid.
Project ID: 40606355
139 proposals
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Active 13 hours ago
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139 freelancers are bidding on average $263 USD for this job

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
$200 USD in 3 days
9.7
9.7

Hi sir, I read your project description .I can do your project & able to run successfully. I have 8+ years experience for website & mobile application development also done over 400+ project by a good team members . It will be very much pleasure for me, if you give me the opportunity to do your job for minimum cost. Thanks for your consideration . Thanks with Regards Prosanto
$600 USD in 7 days
8.0
8.0

Hi, I can deliver your e-commerce app within the 3-day window you've outlined. Day 1: skeleton project with navigation and product list pulling from your JSON/backend, plus basic cart logic. Day 2: user sign-in, polished responsive UI, payment gateway hooks wired to your test credentials, and error handling throughout. Day 3: end-to-end testing, final iOS/Android builds, and full source handover with a concise README for your in-house team. I'll work in Flutter for fast, reliable cross-platform delivery, reuse proven catalogue and cart modules to stay on schedule, and stay online throughout the build for rapid feedback. I have a strong portfolio of retail and e-commerce apps and I'm ready to start as soon as you share product data and branding assets. Regards, Harsh Thoriya
$250 USD in 3 days
8.3
8.3

Hi, I'd love to help with your "E-Commerce App in 3 Days" project. I build fast, pixel-perfect static sites and landing pages in clean HTML5/CSS3 with Bootstrap or Tailwind — fully responsive across mobile, tablet, and desktop. For a fixed project involving mobile app development, iphone, android, phonegap, swift, kotlin, react native, flutter, I translate Figma/PSD/XD designs into crisp, semantic markup that matches the design exactly. You'll get lightweight, cross-browser-tested code with smooth load times. I'd be glad to discuss the details and timeline — when can we connect? Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$150 USD in 6 days
7.8
7.8

Hi, I’m a Full Stack and Flutter Developer with 9 years of experience building production-ready e-commerce applications for iOS and Android. I can deliver your app within the 3-day timeline by leveraging reusable, well-tested modules for authentication, product catalog, cart, and checkout while ensuring clean UI and reliable performance. I’ll meet your daily milestones, integrate your payment gateway, provide complete source code with documentation, and deliver store-ready builds on schedule.
$150 USD in 3 days
7.2
7.2

Hi there, I can deliver a fully functional cross-platform e-commerce app within your 3-day timeline using Flutter or React Native, leveraging reusable modules to accelerate development without compromising quality. I’ll build the product catalogue, cart system, authentication, checkout flow, payment gateway integration hooks, error handling, and provide tested iOS/Android builds with complete source code and documentation. Could you please confirm whether you already have a backend/API for products and orders, or should I connect the app with a simple backend/database for the initial version? Kindly send me a message to discuss more in detail. Thanks.
$200 USD in 3 days
7.2
7.2

As an experienced mobile developer fluent in both iOS and Android development languages, I'm confident that I would be the perfect fit for your e-commerce app project. I understand and value not only clean UI elements, a smooth browsing and checkout experience, but also the core functionalities expected from an effective app of this kind. My proficiency in Flutter ensures you'll have a remarkable cross-platform app suitable for both iOS and Android users. Moreover, my past projects involved developing user-friendly e-commerce systems with efficient cart logics, robust authentication modules, and easy payment gateways, all of which align with your desired milestones. Importantly, similar to the task at hand, some of my previous works have hinged on tight deadlines and rapid feedback cycles. I believe these experiences have amplified my organizational skills while fostering quick thinking and flexible working approaches. Coded under stringent architecture norms within world-class security practices while maintaining high performance on real-world traffic is something I can assure you as well. I don't just build apps; rather I create digital experiences engineered for long-term usability and growth perspectives. So if you're looking for a competent mobile app developer whose emphasis lies on stability, scalability, and providing exceptional user experience over quick turnaround time
$200 USD in 7 days
6.7
6.7

I can deliver a fully functional e-commerce app that meets your expectations within the tight three-day deadline. My approach ensures a smooth user experience, from browsing to secure checkout, focusing on a clean UI and responsive design. I noticed the emphasis on having a skeleton project ready by the end of Day 1, along with polished UI and payment gateway integration by Day 2. Rapid feedback cycles will be prioritized to keep everything on track. I specialize in mobile app development and have 20+ 5-star reviews on similar projects! My portfolio includes several retail and e-commerce apps that showcase my ability to meet tight deadlines and deliver high-quality results. Looking forward to collaborating on this exciting project. Regards, InterconnectBPO
$150 USD in 7 days
6.8
6.8

Hi there, I’ll build a clean, responsive e-commerce app in Flutter—supporting both Android and iOS from a single codebase—delivered within your 3-day timeline. Flutter ensures fast performance, smooth animations, and native-like UX without maintaining two separate codebases. I’ll implement core features: product browsing with categories, search, cart management with real-time updates, secure checkout using Stripe or PayPal sandbox, and email/SMS order confirmations. The UI will be intuitive and scalable, built with reusable widgets and proper state management (Provider or Bloc). All code will be well-documented and ready for future enhancements. I’ve delivered similar e-commerce apps for startups and SMEs—always on time and fully functional. Since you need speed and reliability, I’ll prioritize essential flows first (browse → cart → checkout → confirmation), then polish UI/UX and test rigorously across devices. Best Regards, Khorshed Alam, RS Software
$180 USD in 4 days
6.7
6.7

Hi there, Hope you are doing well I'd love to help deliver your E-Commerce Mobile App within the 3-day timeline. At Cyber Impulse Software Solutions, we have ready-to-use e-commerce modules and extensive experience building high-performance shopping applications for both iOS and Android, enabling us to meet aggressive deadlines without compromising quality. Why We're a Good Fit Proven expertise in Flutter, Node.js, and Firebase Ready-made modules for authentication, product catalog, cart, and checkout Fast development with clean, scalable, and well-documented code Daily progress updates and rapid feedback implementation Recommended Tech Stack Mobile: Flutter (iOS & Android) Backend: Node.js / Firebase Database: Firebase Firestore / MySQL Payments: Stripe, Razorpay, PayPal (or your preferred gateway) What We'll Deliver Cross-platform e-commerce app with modern UI Product catalog, cart, and secure checkout User authentication and profile management Payment gateway integration Complete source code, README, testing, and deployment support On-time delivery aligned with your 3-day milestones With our reusable components and experienced team, we're confident we can deliver a production-ready application within your timeline. Looking forward to working with you. Thanks & Regards, Dheeraj K.
$250 USD in 7 days
7.0
7.0

Hi, I can deliver this cross-platform e-commerce app within the three-day schedule using Flutter, with reusable modules for product browsing, authentication, cart management, checkout, and order confirmation. This approach provides one maintainable codebase while keeping performance and UI consistent across iOS and Android. I will follow your daily milestones closely, integrate the supplied product data and branding, prepare payment gateway hooks using test credentials, and include validation, loading states, and clear error handling. On Day 3, I will complete end-to-end testing, provide installable builds, full source code, and a concise README for your in-house team. The three-day deadline is realistic for a focused MVP, provided product data, assets, gateway access, and feedback are available immediately. Best, Justin
$2,000 USD in 3 days
6.1
6.1

Hello, I hope this message finds you well. I have a solid understanding of your requirement for a swift delivery of an e-commerce app that functions seamlessly on both iOS and Android platforms. The primary focus is on providing users with a smooth shopping experience, from browsing to checkout, while ensuring security and order confirmation processes are in place. My approach involves structured planning, controlled execution, and rigorous testing at key checkpoints to meet the outlined milestones. With expertise in Mobile App Development, particularly in Flutter, React Native, and Swift, I am well-equipped to tackle this project efficiently. My portfolio includes successful e-commerce apps that highlight my ability to deliver clean UI, responsive product pages, and reliable checkout flows. Before we proceed, could you please clarify your top priority or key business goal for this app? Let's discuss further in an open chat to finalize the scope smoothly. Best regards, Muhammad Anas Khan
$200 USD in 4 days
5.8
5.8

Hi there, I'm ready to deliver a fully functional e-commerce app. I will utilize a framework that allows for rapid development, ensuring the app runs smoothly on both iOS and Android. The first day will focus on setting up the skeleton project with navigation and a product list pulling from a dummy JSON. Basic cart logic will also be implemented. On the second day, I will integrate user sign-in, refine the UI, and prepare payment gateway hooks for testing. Error handling will be prioritized to ensure a seamless user experience. Finally, on the third day, I will conduct end-to-end testing, finalize builds, and provide the full source code along with a concise README for your in-house team. I have reusable modules for catalogue screens and cart logic, which will expedite the process. If you would like to see my previous work, you can find it here: https://www.freelancer.com/u/techplusintl Looking forward to your feedback. Best regards.
$200 USD in 3 days
5.9
5.9

I understand the milestones: Day 1 skeleton with navigation, product list, and cart logic; Day 2 sign-in, polished UI, payment hooks, and error handling; Day 3 testing, final builds, and full source handover with a README for your team to extend. How I'll hit it: Flutter — fastest path to a smooth, single-codebase iOS/Android build, and I have reusable catalogue/cart/auth modules from prior marketplace apps ready to adapt rather than build from scratch. Day 1: Firebase-backed product list (JSON seed data or your dummy backend), navigation, cart state via Riverpod. Day 2: Firebase Auth (email/social), Stripe payment integration wired to your test credentials, polished UI matching your branding assets, error handling across cart/checkout flows. Day 3: End-to-end testing (cart edge cases, payment failure states), final iOS/Android builds, source handover with a clear README covering how to extend the catalogue. I'll be online and responsive throughout the window to match your rapid feedback cycle — send branding/product data/gateway credentials at kickoff and I'll start immediately. Why me: 6+ years Flutter Team Lead, 10+ live apps shipped end-to-end — including marketplace apps with Stripe integration, cart/checkout logic, and Firebase Auth. Comfortable working fast under tight deadlines with live client feedback.
$200 USD in 3 days
6.3
6.3

Hi, I understand you need a developer who can build a fully functional e-commerce app within 3 days. I have experience with Flutter and React Native and can deliver a responsive, high-quality app for both Android and iOS with product listing, cart, authentication, and secure checkout. The code will be clean, scalable, and delivered with the complete source code and a concise README for future updates. Do you already have a preferred payment gateway, or would you like me to recommend the fastest option for the project? Looking forward to your response. Best Regards, Hassan H
$200 USD in 7 days
5.3
5.3

Hello, I will make ecommerce app in 2 days, Im expert application developer and Already worked on many ecommerce apps. Kindly dm me to start asap. Thanks!
$200 USD in 2 days
5.5
5.5

Hi, I've carefully reviewed your requirements and understand that the priority is delivering a production-ready e-commerce app within three days without compromising stability or user experience. The focus will be on implementing a clean shopping flow, secure authentication, responsive product browsing, cart management, payment integration, and reliable checkout while meeting each milestone on schedule. I recommend Flutter for a single high-performance codebase that runs smoothly on both Android and iOS, allowing faster development and easier long-term maintenance. Working Flow → Day 1: Project setup, navigation, product listing, dummy/API integration & cart functionality → Day 2: Authentication, polished UI, payment gateway integration & error handling → Day 3: End-to-end testing, optimization, final builds, documentation & source code handover The application will feature clean architecture, responsive UI, secure checkout, and well-structured code so your team can easily extend the catalog and features in the future. ✔ 2 Years Free Support ✔ Complete Source Code ✔ Daily Progress Updates I'm confident I can meet your 3-day timeline while delivering a stable, polished mobile shopping experience. Thanks, InvokeTech
$150 USD in 7 days
5.6
5.6

Hello, the main issue here is not just getting an app running on iPhone and Android, but defining the smallest shippable e-commerce surface clearly enough to avoid rework. The real engineering risk is hidden scope around checkout, backend dependencies, and third-party integrations, not the UI shell itself. I usually structure projects like this by separating customer flows, backend contracts, and external integrations before implementation starts. That matters more than whether the client lands on React Native, Flutter, or a native split, because e-commerce apps fail when catalog, cart, payment, and order state are underspecified. The closest relevant project in my background is Enterprise ProxyTool Client App, where I handled cross-platform client architecture and kept control-plane and execution concerns separated for reliability. For this kind of build, I’d first pin down the required user journeys, the source of truth for product and order data, and what must be live on day one versus stubbed. That tradeoff determines whether this is a prototype, a thin client over existing APIs, or a larger product effort. If useful, I can sketch the app architecture and dependency map first so the implementation path is concrete. Clifton
$200 USD in 7 days
5.6
5.6

Hi, nice to meet you! I specialize in rapid cross-platform mobile e-commerce development with Flutter and React Native, with over 9 years of experience helping retailers launch fully functional shopping apps on both iOS and Android under tight deadlines. I understand modern mobile store flows—product browsing, cart logic, secure checkout, authentication and order confirmations—deeply, including the best practices to deliver a clean, responsive UI and rock-solid performance in just three days by leveraging proven reusable modules. Here's how I can help: • Day 1: Deliver the skeleton project with navigation, product list from dummy JSON, and solid basic cart logic. • Day 2: Add user sign-in, polished UI, payment gateway hooks, and complete error handling. • Day 3: Finish end-to-end testing, final iOS/Android builds, and hand over full source code with a clear README. • Ensure the app feels modern and reliable so your in-house team can easily extend the catalogue afterwards. Quick questions: Which framework do you prefer for maximum speed (Flutter or React Native), and which payment gateway will you supply test credentials for? best regards khalid
$200 USD in 7 days
4.9
4.9

✋ Hi There!!! ✋ The Goal of the project:- DELIVER A FULLY FUNCTIONAL, SECURE, AND RESPONSIVE E-COMMERCE APP FOR IOS AND ANDROID WITHIN THE STRICT THREE-DAY DEADLINE. <-- Questions --> 1. Which payment gateway should be prepared for integration with your test credentials? 2. Is the product data and backend API ready for Day 1 implementation? Similar e-commerce apps have been completed using Flutter and React Native, including product catalogues, authentication, cart management, secure checkout, payment integration, order confirmations, error handling, and end-to-end testing with clean source handover. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$200 USD in 12 days
5.1
5.1

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