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We require a programmer with experience in developing e-commerce and auction platforms or someone with a high learning capacity to develop a robust and scalable system. The project involves developing two main elements: A Website with: a. User Account Page for buying and selling, where each profile can have: Choose whether the profile is for a person or a company. Rating system with 1-5 stars. View purchase and sales history. View active listings of products. Verification ticket option for individuals (not for companies). b. Backend for Administration. A Mobile App for Android and iOS The goal is to create an innovative marketplace that combines two types of sales, where sellers can choose to sell in one of these two ways: Traditional sales with a "buy now" price. Auction system, where: There is a starting price. A set auction duration. A "current bid" display. A "buy now" price option. The auction can end when someone purchases through "buy now" or when the set time expires. Or the seller can close the auction early if they like the current bid price. The winning bidder must pay after the auction ends. Main Required Features 2-3 months timeline. Must be done in mongodb, react, MERN stack and with hosting to be chosen. FULL CSM for backend. Traditional purchase system and purchase + auction system. When they win an auction, immediately pops up to pay whatever he bid. Notification to the seller/buyer/admins when an auction ends. Display of bid history and current bid price below the product. A dedicated "Auctions" category showing all auction-listed products. ALL THE PAYMENT PROCESS IS PROVIDED BY AN EXTERNAL PROVIDER, AND WE JUST NEED TO SHOW A PAYMENT LINK THEY PROVIDE us. When the customers click that link, they are presented with a popup from that provider, where payment is done. When a payment has been made, the third-party company sends some sort of “payment done ok” return to us. At this time, we inform the customer of the process success, and the backend registers the account as “paid” or “payment pending”, and if there is a successful payment, the admins and seller get a message to prepare the product, and sent it to the customer. Users can create a favorite products list (product targets). Seller Dashboard showing listed products and bid status. Suggested 3 bidding options above the bid amount input field. Popup product advertisements within the website/app to promote internal products. Three types of products sales: Basically . Premium Elite Silver and Gold offer benefits like increased advertisement exposure, taking a % of the sale, so it's EXTREMELY IMPORTANT to have the chance to take a % of the sale by the admins if they choose that sale with that status. Silver and gold are different % each. Admin System with Special Permissions Account Management: Create, delete, freeze, and reactivate accounts. Data Editing: Modify account and product details. Basic Customer Statistics (simple insights). Discount Code Creation. Technical Requirements Development using modern and scalable technologies. Structured database to manage users, products, and transactions. Ability to host on a cloud server (AWS, Google Cloud, or similar). Secure authentication and transactions. CRUCIAL!!!!!: Responsive and user-friendly interface, similar to Mercado Libre ([login to view URL]) and Catawiki ([login to view URL]) Development Options & Pricing Request We are looking for two pricing options to evaluate development costs and timelines: Customize an existing e-commerce & auction platform to fit our needs. Develop a fully custom system from scratch, including database and business logic. Project Documentation Requirement Upon project completion, apart from a backup of the code for both the website and apps, the developer must provide a technical document explaining all coding modules, their functions, and interactions to facilitate future updates or modifications. If interested submit. Your Proposal with: Previous experience in similar projects. Technologies you propose to use. Estimated development time. Approximate cost for each of the two options. ALL TEXTS MUST BE IN SPANISH, but I WILL PROVIDE ALL REQUIRED TEXTS for development. This is summed up, each step specified its in the diagram.
Project ID: 39231894
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Active 1 yr ago
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86 freelancers are bidding on average $3,098 USD for this job

Con más de 10 años de experiencia en desarrollo web y móvil, estoy seguro de poder brindar resultados excepcionales para tu proyecto. Entiendo que tu desafío principal es desarrollar una plataforma de comercio electrónico y subastas robusta y escalable. En el pasado, he tenido éxito en proyectos similares, especialmente en el ámbito del comercio electrónico y las subastas. Mis habilidades se extienden a tecnologías como MongoDB, React y el stack MERN para garantizar un desarrollo moderno y escalable. Con un enfoque en la experiencia del usuario, puedo ofrecerte un diseño receptivo y amigable, similar a sitios como Mercado Libre y Catawiki. Estimo que el tiempo de desarrollo sería de aproximadamente 2-3 meses y puedo ofrecerte dos opciones de precios: personalizar una plataforma existente o desarrollar un sistema completamente personalizado desde cero. Además, estoy dispuesto a cumplir con tus requisitos de documentación al finalizar el proyecto. Quedo a tu disposición para discutir más detalles sobre tu proyecto y cómo podemos llevarlo a la realidad. ¡Espero poder colaborar contigo en este emocionante proyecto!
$3,000 USD in 30 days
8.8
8.8

Hello, I understand that you are looking to develop a comprehensive web platform and mobile app for a marketplace auction similar to eBay. This project will require a solid system that includes features for user accounts, an auction system, payment integration, and an administrative backend. My approach will involve using modern technologies such as the MERN stack with MongoDB to ensure scalability and robustness. I will create a user-friendly interface that meets your requirements for responsiveness and ease of use, similar to Mercado Libre. I have worked on similar projects where I developed e-commerce systems and auction platforms, which gives me the experience needed for this project. I will ensure that all features like user profiles, bidding systems, notifications, and payment processing are implemented effectively. Furthermore, I will provide a detailed technical document upon completion to assist with future modifications. What specific features and functionalities are you prioritizing for the mobile app compared to the website? Thanks, Muhammad Awais
$3,000 USD in 14 days
9.0
9.0

Hi, Need a marketplace where multiple vendor like seller and buyer can on roll, and list their products and these products would sale via 2 methods traditional shopping and auction based shopping. A seller dashboard have lots of feature and functionality such as registration, verification, product upload, get orders, process orders, create auction, auction results, product delivery, different label generation for packaging order, revenue tracking, notification, if need some kind of extended interaction between buyer and seller like chat or group chat. and may be I missed some will come up later when we discuss in detail. and Website and mobile app both user interface required with the trending tech stack react.js frontend, mongoDB backend and node.js. As posted budget range $3000 would not be enough a genuine cost is $6000 USD as per required tech stack, functionality, deliverables and product quality level but we will negotiate as per your comfort. We are 10 years old agency and and we ensure 100% product success not deliver only best UI/UX and well performing application. Thanks:)
$3,000 USD in 60 days
9.6
9.6

Hi Good day. Hope you are safe and doing good. We understand your project requires a MERN stack-based scalable e-commerce and auction platform with user accounts, payment integration, and administrative control. I have got 477 reviews and 4.9 ratings in Freelancer. We rank top 50 in Freelancer service provider. Kindly share document of requirements outlined. A few things about my company: 1) We are not new to this industry, personally, I have been in the industry for 12 years now and feel very comfortable with the projects that IT Flex takes on. 2) Our workforce is solely comprised ""full stack developers"" This means that they are all well versed in all languages necessary for web development on the front and back end. 3) All of our developers are professionals that have been in the industry at least 3 years. 4) Please feel free to check out some of my past work on my portfolio. I am very proud of the work that we do here at IT FLEX. 5) Lastly, I only take on 1 big project at at time to assure that you will receive the best possible product. " Thanks SNR
$7,500 USD in 60 days
9.0
9.0

As an established and highly-rated web and app development enterprise, CnELIndia can assure you when it comes to building scalable and reliable e-commerce platforms, we're the team for the job. Over our 18 years in the field, we have accumulated ample experience in utilizing technologies similar to your project's requisition such as React Native and MongoDB. A plethora of our previous projects involved creating user-friendly marketplaces with payment features, bidding systems, and a robust backend. We understand that security is crucial when dealing with transactions; rest assured that each aspect of our design will be focused on providing just that. Additionally, we have experience working with external payment providers and will ensure smooth integration for you. Furthermore, our process? We not only finish the project but ensure proper handoff; documentation that clarifies each coding module would be provided upon completion. This would enable your team or any other developer in future to maintain or even upgrade the system more comfortably. These reasons combined attest to our ability as a team to realize this project on time, within budget while sticking to your desired design aesthetic, so consider entrusting us with this venture.
$2,750 USD in 15 days
9.0
9.0

Hi, Hope you are well, We have best team in our company, We can give you good quality work on time Regards
$3,000 USD in 30 days
8.5
8.5

Hi there, Global Technosys is eager to develop your innovative e-commerce and auction platform using the MERN stack, ensuring scalability, security, and a seamless user experience. We specialize in marketplace solutions and will tailor the system to meet your exact requirements. At Global Technosys, we bring over 18 years of experience in full-stack development, mobile app creation, and custom solutions across various technologies such as PHP, MERN, Flutter, and Native apps. With a proven track record of over 1000 successful projects, our expert team is dedicated to delivering innovative, high-performance solutions tailored to your needs. Why Choose Us? Experienced Team: 100+ skilled developers with expertise in PHP, MERN, mobile apps, and more, having completed 1000+ projects across industries. Comprehensive Solutions: We offer end-to-end services, from concept and UI/UX design to development and deployment, covering web, mobile, and backend systems. Quality Assurance: Our rigorous testing ensures flawless performance and user experience on all platforms. Let’s discuss how we can bring your vision to life with a solution that exceeds your expectations. Looking forward to collaborating with you! Best regards, Global Technosys
$2,750 USD in 50 days
8.0
8.0

With over 8 years of extensive experience in web and mobile development, my team and I possess a highly-developed understanding of the complexities and nuances associated with creating a comprehensive e-commerce platform. We have successfully completed more than 500 projects with the client’s utmost satisfaction as our top priority. Our forte lies in designing responsive, market-leading platforms that provide optimal user experience across all devices similar to your reference sites Mercado Libre and Catawiki. Among the arsenal of skills we possess for this project, noteworthy is our proficiency with the MERN stack, including MongoDB, React.js, specifically required by you. Additionally, strong understanding of PHP (Cake PHP, CI, Laravel), Opencart and WordPress (WooCommerce) helps us to elaborate on proven projects with integrated ecommerce systems. Choose us not only for our high-quality deliverables and competitive pricing but also for our unique ability to combine creativity with efficiency. We are ready to introduce fresh perspectives into your unique project while meeting the stipulated timeline. With your vision as our guide, we at your disposal being flexible with timings to provide round o'clock assistance along with 6-month maintenance undoubtedly bettering the current market leaders such as Ebay and ensuring maximal user satisfaction.
$2,500 USD in 20 days
7.6
7.6

Greetings Client, I have carefully reviewed the detailed requirements for the development of the Web Platform and Mobile App for your Marketplace E-commerce Auction project. With over 10 years of experience in Mobile App Development and PHP, our team is confident in our ability to deliver this project with precision and excellence. I am eager to discuss the project further with you. Please initiate a chat so we can delve into the specifics and explore how we can bring your vision to life. Our team is well-versed in developing robust and scalable systems, making us the ideal partner for this endeavor. Looking forward to collaborating with you on this exciting project. Best regards.
$3,000 USD in 7 days
7.4
7.4

Hi, I’m very interested in this project and confident I can help you build a robust and scalable e-commerce and auction platform as per your requirements. With my experience in Full stack development and e-commerce platforms, I can ensure the website and mobile app are fully functional, responsive, and feature-rich. I’ve worked on similar projects in the past and can bring a wealth of expertise to your platform. I’m ready to start discussing the details and offering solutions that meet your specifications. Please let me know when we can have a conversation to explore the project further! Looking forward to your reply! Regards, HAMMAD H.
$2,750 USD in 7 days
7.6
7.6

Hi, What specific features are most crucial for your e-commerce and auction platform? I can help you create a robust marketplace with user accounts, backend admin tools, and seamless auction integration. With over 5 years of experience in developing complex web applications using the MERN stack, I’m confident in my ability to implement all the required functionalities, including rating systems, payment processing, and responsive design. I can structure the database effectively and ensure secure authentication for users. For the project timeline, I estimate around 2-3 months for development, depending on the level of customization needed. I can provide cost estimates for both customizing an existing platform and building a new one from scratch. I would love to discuss this in more detail. Let me know if you’re interested! Best Regards, Badar
$3,000 USD in 45 days
7.4
7.4

Hello, I’d love to assist in developing a robust and scalable e-commerce and auction platform tailored to your needs. With experience in e-commerce development, real-time bidding systems, and secure payment integrations, I can build a high-performance platform that ensures seamless user experience and scalability. Why Choose Me? Extensive Experience: Successfully delivered 100+ projects, earning excellent feedback from satisfied clients. Proven Skills: Strong expertise in managing complex requirements and transforming ideas into functional, high-quality applications. Client-Centric Approach: Check my profile to see glowing reviews from previous clients that highlight my ability to exceed expectations. By hiring me, you are guaranteed: 100% delivery of work High-quality, bug-free code Daily progress updates with no communication delays Post-development support to ensure your app runs smoothly, free of cost I am eager to bring my expertise to your team and help you achieve your project goals. Thank you
$2,750 USD in 26 days
7.3
7.3

Hello, I will develop your Marketplace website and Mobile application for android and ios both platforms. 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
$2,500 USD in 40 days
6.5
6.5

During a similar project, I faced a challenge with real-time bid updates that required a responsive architecture; I solved it by implementing WebSocket technology. I understand your need for a scalable marketplace that supports both traditional sales and auctions with a robust user interface. My approach will leverage the MERN stack, ensuring a structured database in MongoDB, and a seamless user experience across both web and mobile platforms. I estimate the development time to be around 8-10 weeks for a custom solution, with clear documentation provided upon completion. My cost proposal for the project would be competitive and tailored to your specifications, ensuring all functionalities meet your requirements.
$2,750 USD in 7 days
6.1
6.1

Hi Mate, I appreciate the opportunity to work on this project—building a marketplace that seamlessly integrates traditional e-commerce with auctions is a fantastic concept! 1. Could you clarify if there’s a preferred payment provider for handling transactions, or if you’re open to recommendations? 2. Regarding the auction system, do you envision automatic bidding (like eBay) or only manual bids? From the details provided, it’s clear that features like the seller dashboard, auction categories, and customizable commission structures will add significant value. Our team specializes in developing scalable MERN-stack applications, ensuring a seamless experience across both web and mobile platforms. We can provide estimates for both customization of an existing solution and building from scratch. The final cost will depend on the complexity, integrations, and specific customizations required. By way of introduction, I’m Tejas J, representing a team of experienced full-stack developers with expertise in React, Node.js, MongoDB, and AWS hosting. We’ve built e-commerce and auction platforms before and would love to collaborate to bring this vision to life. Looking forward to your feedback and any additional details! Regards, Tejas J
$2,750 USD in 7 days
5.8
5.8

Building a feature-rich marketplace with both traditional sales and auction functionalities requires a structured and scalable approach, and my expertise in the MERN stack aligns perfectly with your requirements. I can ensure seamless integration of user profiles, bidding mechanisms, payment link handling, and an admin panel with granular controls while maintaining a responsive and intuitive UI similar to Mercado Libre and Catawiki. For development, I propose using MongoDB for a flexible and scalable database, React for the frontend (web and mobile with Flutter), and Node.js with Express for the backend. Hosting can be set up on AWS or Google Cloud, ensuring reliability. Since the payment process is managed externally, I will implement a secure callback system to update transaction statuses and notify relevant users in real time. Questions: 1)Would you prefer customizing an existing solution to reduce development time, or do you prefer a fully custom system for greater flexibility? 2) Also, do you have specific preferences for the auction duration and bidding increments? Let’s discuss how to tailor the platform to your needs.
$2,750 USD in 7 days
6.6
6.6

As a seasoned professional with over a decade of hands-on experience in the IT industry, I'm confident in my team's ability to design, develop and deliver your unique e-commerce and auction platform on time and within budget. Our immense technical expertise in MERN stack development, which is well-suited to your project requirements, coupled with our proficiency in PHP, backend development, and mobile app development will ensure a highly functional and scalable web platform and mobile app. We understand the importance of a robust and secure backend that offers comprehensive features while maintaining user-friendliness - attributes you've highlighted as crucial. We've implemented similar features in our past projects: from dynamic user account pages with verification systems to bid history display. Our understanding of CRUCIAL integrations for third-party payment providers suits perfectly with your need. Moreover, our meticulous documentation habits support our commitment to client satisfaction beyond project completion. We provide succinct yet exhaustive technical documents that illuminate each module's function and interaction, facilitating easy transparency for future updates. Regards, Deb K
$3,000 USD in 40 days
6.4
6.4

Hi, i will develop a scalable marketplace using the mern stack for both the website and mobile app. the backend will be developed using express js to manage user accounts, product listings, auctions, and traditional sales, while mongodb will be used to handle structured data like user profiles, bid history, transaction records, and product categories. for frontend, react will be used. the auction and traditional sales logic will be implemented using custom apis, including functionalities like bid tracking, auction timing, and buy-now options. i will integrate a secure external payment provider via api with backend validation to mark payments as “paid” or “pending.” the admin panel will offer cms functionality for managing accounts, modifying product details, setting sale commissions, and creating discount codes. cloud hosting will be implemented on aws, and user authentication will use jwt for enhanced security. notifications, popup product ads, and auction alerts will be incorporated using web sockets for real time updates. after project completion, i will provide detailed technical documentation covering all modules, apis, and database interactions to facilitate future maintenance or upgrades. Let's have a detailed discussion in chat, as it will help me give you a complete plan, including a timeline and estimated budget. i can share my portfolio in chat Regards, Mughira
$2,750 USD in 7 days
5.3
5.3

Greetings! I’ve reviewed your project. and I understand you want an e-commerce website. As a skilled software engineer with over five years of experience, I’m confident in delivering a website that exceeds your expectations. I specialize in languages and frameworks like HTML, CSS, JavaScript, Bootstrap, React, and React JS. I also have expertise in PHP, Node JS, Laravel, and Angular and am proficient in CMS platforms like WordPress, Shopify, WIX, and Squarespace. I’m also a web and mobile app trainer at Saylani Mass IT Training International Trust, where I share my expertise with future developers. I look forward to collaborating with you! Best regards, Afsah Farooqui
$2,700 USD in 2 days
4.6
4.6

As an experienced full stack developer with in-depth knowledge of both backend and mobile app development, I believe I'm the ideal candidate for your marketplace e-commerce and auction platform project. My robust skillset aligns perfectly with your technical requirements concerning language proficiencies in MongoDB, React, and MERN stack development. Over the years, I've not only acquired valuable expertise in designing cutting-edge databases but also developed seamless APIs that would ensure the smooth running of your web platform and mobile app. Finally, regarding documentation needs after project completion - as a professional with a strong disposition towards thoroughness - rest assured that I would provide comprehensive technical documentation explaining every coding module's functions and interactions for ease of future updates or modifications. I look forward to the possibility of using my skills and expertise to deliver exceptional work on this project. Thank you for considering my proposal!
$2,750 USD in 30 days
4.7
4.7

Santiago, Chile
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