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I’m launching a full-scale online marketplace where third-party sellers can register, create storefronts, and manage their own catalogue, while shoppers enjoy a smooth end-to-end buying experience. The frontend needs to be built in Angular or React, and I’d like the backend engineered with either Java (Spring Boot) or C# (ASP.NET Core)—whichever you feel will deliver the best performance, security, and maintainability. Core scope The project covers everything from architecture to deployment: account creation for vendors and customers, product and inventory management, search and filtering, shopping cart, order life-cycle tracking, and a flexible payment module. I have not settled on a specific gateway yet, so I’m open to your recommendation and subsequent integration. Clean RESTful APIs, solid unit and integration testing, and CI/CD pipelines are expected as part of the workflow. Key deliverables • React single-page application with responsive design • Secure authentication & role-based access (vendor, buyer, admin) • Backend services in Java or C#, fully documented • Payment gateway integration of our agreed choice • Postman or Swagger documentation for every endpoint • Deployment scripts/Docker files for cloud readiness Acceptance criteria will revolve around feature completeness, code quality, test coverage, and a successful end-to-end demo on a staging environment. If you’re comfortable owning the stack from database schema to front-end polish, let’s get started—I’m ready to review your approach and timeline.
Project ID: 40744417
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Hello — I would build this as a React SPA with ASP.NET Core APIs and PostgreSQL, starting with an MVP for vendor onboarding, catalogues, cart, orders, and payments. ASP.NET Core fits your security, testing, and CI/CD needs well, while React keeps the buyer and vendor dashboards fast without SSR overhead. - Role-based auth for buyer, vendor, and admin with clean permission boundaries. - Vendor module covers storefronts, products, inventory, and order handling. - Buyer flow covers search, filters, cart, checkout, and order tracking. - Dockerized staging deploy with Swagger, tests, and CI/CD scripts. For payments, I would plan Stripe Connect first unless your target countries require another gateway. I can start by mapping the database schema and API contracts before UI screens are finalized. Do you want Stripe Connect as the first payment gateway? Roman
$23 USD in 7 days
10.0
10.0

Hi, Before we start, will vendors manage their own pricing, stock, shipping rules, and order fulfilment independently, or will some of these controls remain with the admin? I’d recommend React for the frontend and ASP.NET Core for the backend, with PostgreSQL, REST APIs, Docker, role-based access, automated tests, and CI/CD. The architecture can be modular so payments, shipping, reporting, disputes, and seller commissions can grow without reworking the core system. A few things I’d like to clarify: - Will you charge vendors commission, subscription fees, or both? - Should each seller receive payouts automatically? - Do you need product approval before listings go live? - Will one order be able to contain products from multiple vendors? - How should refunds, returns, and disputes be handled between buyer, seller, and admin? - Do you need vendor ratings and product reviews? - Which countries/currencies will you support initially? I can also prepare the initial architecture and database structure first so the complete marketplace workflow is clear before development begins. Thank You
$20 USD in 40 days
10.0
10.0

A Warm Hello! We are readily available to start working on this project! We are a full-stack development agency with experience building scalable marketplace, eCommerce, SaaS, and transactional platforms, and we would be glad to take ownership of your multi-vendor marketplace from architecture through staging deployment. We are ready to start immediately and can first provide the proposed architecture, database/entity model, API structure, and development roadmap for your review before moving into implementation. We would be happy to discuss the marketplace workflow and provide a realistic milestone-based timeline and delivery plan. Regards Ana
$15 USD in 40 days
9.9
9.9

Hi there, We understand you're looking to develop a comprehensive multi-vendor marketplace with a seamless user experience, featuring storefront creation, catalogue management, and a smooth buying process. Our team at Webbook Studio has experience with similar projects, such as building e-commerce platforms using React and custom backend solutions, including a project for a Scandinavian fashion brand where we utilized WooCommerce and custom design. We're confident in our ability to deliver a high-performance, secure, and maintainable solution using Java (Spring Boot) or C# (ASP.NET Core) for the backend, paired with a React single-page application for the frontend. What payment gateway do you envision integrating, or would you like us to recommend a few options based on your specific needs? Feel free to message us to discuss the details! — Webbook Studio
$20 USD in 40 days
9.3
9.3

Hi — Elias here from Miami. I see you’re launching a multi-vendor marketplace. Your goal is to create a seamless environment for third-party sellers, which is essential for success. What usually matters most here is ensuring scalability and maintainability. As your user base grows, the system needs to handle increased traffic and data effectively. A common issue in systems like this is managing complex user roles and permissions, especially regarding seller capabilities. The tricky part is ensuring smooth integrations with payment gateways and handling product listings. My approach would involve structuring the system using a microservices architecture, allowing for easy scaling and future expansions. I’d prioritize stability through solid API design, ensuring efficient communication between the frontend and backend. I've developed e-commerce platforms with similar requirements, focusing on robust architecture and user-friendly interfaces. A few questions to better understand the scope: Q1 – What user roles will you need for vendors and customers? Q2 – Are there specific payment gateways you plan to integrate? Q3 – How do you envision the admin workflow for managing vendor stores? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 30 days
8.8
8.8

Hello, your marketplace requirement is clear. The part I’d focus on first is the vendor → inventory → order → payment flow, because that will influence the database and overall architecture. We’ve built similar role-based platforms and can take this from architecture through staging deployment. Quick question: will each vendor have their own commission/payout structure, or will your platform handle all payments centrally? If you confirm that, I can send you a proposed architecture + realistic timeline and budget. Best, SNR
$15 USD in 40 days
9.0
9.0

Hi, I can build a full-scale online marketplace to enhance the buying experience for shoppers and empower vendors. I will use React for the frontend to create a responsive single-page application. For the backend, I recommend Java with Spring Boot for its performance and security features. I will ensure secure authentication and role-based access for vendors, buyers, and admins. I will also implement clean RESTful APIs and provide thorough documentation using Postman or Swagger. To handle payment gateway integration, I will evaluate options based on your needs and ensure a flexible module is in place. I will also set up CI/CD pipelines for efficient deployment. To get started, I will need access to your preferred cloud environment and any existing branding guidelines you may have. Thanks!
$20 USD in 40 days
8.3
8.3

Hello, You’re not just building a storefront, you’re creating the operating system for vendors, buyers, payments, inventory, and trust at marketplace scale. I can help shape the React experience with responsive Website Design and Web Design, while using HTML and JavaScript carefully across vendor dashboards, product flows, search, checkout, and role-based interfaces. I’ll collaborate on the architecture and delivery plan, clarify the payment and deployment decisions, and keep API contracts, testing, documentation, and staging validation visible throughout the build. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. We can begin by mapping the marketplace workflows and defining the first end-to-end staging milestone. Which marketplace rules should govern vendor approval, commission calculation, refunds, split payments, and inventory ownership from the first release? Best regards, Asad Which marketplace rules should govern vendor approval, commission calculation, refunds, split payments, and inventory ownership from the first release? Would you prefer the initial rollout to prioritize a modular monolith or independently deployable services? Should search support faceted filters, typo tolerance, and vendor-specific ranking from launch? Looking forward to your reply so we can finalize the exact plan.
$15 USD in 37 days
8.2
8.2

Hello, We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Java, Website Design, HTML, React.js, Backend Development, Frontend Development, Java Spring, Angular, API Development, Spring Boot and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$25 USD in 5 days
8.8
8.8

I’d start by defining the vendor, buyer, and admin permission boundaries in a React SPA and Spring Boot API, then shape the product, inventory, cart, and order state model around them so storefront data cannot cross tenants. I recommend Stripe initially for its marketplace support and webhook-based payment/order synchronization, with the gateway kept behind a clean payment service for future flexibility. Within 7 days, you’ll have a responsive staging build covering authentication, vendor catalog management, search/filtering, checkout, order tracking, Swagger/Postman API documentation, Docker deployment files, and the core unit/integration test structure. I’ve built SwiftKhata, a POS and inventory platform spanning web, desktop, and mobile, including product and stock workflows. Should Stripe Connect be acceptable for vendor payouts, or do you already prefer another gateway? Muhammad Saad
$20 USD in 40 days
7.8
7.8

Hello, I can help you with "Multi-Vendor Marketplace Development" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "Good work delievered thank you for your patience" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$15 USD in 1 day
7.6
7.6

Hello!, This is James from Hollywood... I read your marketplace brief carefully, and the main risk here is not just building a site, but building a marketplace that actually works for sellers, buyers, and admin without turning messy later. For a multi-vendor platform, I’d handle it in phases: 1) seller registration and store onboarding, 2) product/catalog and vendor dashboard, 3) order, commission, and payout flows, 4) admin controls, approvals, and reporting, 5) API and performance hardening so it can scale cleanly. I’m strong in Java, Spring Boot, React, API development, and full-stack architecture, so I can help turn this into a stable marketplace instead of a fragile prototype. I pay close attention to the details that usually break these projects, like role-based access, vendor permissions, commission logic, and a smooth user journey. A few relevant builds I’ve worked on: - Vendor-based electronics marketplace - B2B ordering portal with admin approvals - Subscription-driven ecommerce dashboard - Inventory and fulfillment management web app Quick questions: 1) Do you already have the UX/UI design, or should I help shape the marketplace flow too? 2) Will vendors manage their own shipping, or will admin control fulfillment and payouts? 3) Do you want the first version focused on core marketplace features, or a fuller launch-ready system? If you want, I can map the build plan and prioritize the most important modules first.
$50 USD in 30 days
7.1
7.1

⭐⭐⭐⭐⭐ Full‑Scale Marketplace Development with React & Spring Boot ❇️ Hi My Friend, I hope you are doing well. I checked all of your project requirements and I can see you are looking for a complete online marketplace. You have no need to look any further as Zohaib is here to help you! My team is already doing 50+ similar projects for e‑commerce platforms. I will build a responsive React SPA and a secure Spring Boot backend, set up Docker, CI/CD and full test coverage. I will also suggest the best payment gateway and integrate it at no extra cost. ➡️ Why Me? I can easily do your marketplace as I have 5 years of experience in React, Angular, Java Spring Boot, C# ASP.NET Core, Docker, CI/CD. Not only this, I have a strong grip on REST APIs, authentication, payment integration. ➡️ 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: ✅ React ✅ Angular ✅ Spring Boot ✅ ASP.NET Core ✅ Docker ✅ CI/CD ✅ REST API ✅ JWT Auth ✅ Role‑Based Access ✅ Payment Integration ✅ Unit Testing ✅ Integration Testing Waiting for your response! Best Regards, Zohaib
$17 USD in 40 days
6.9
6.9

Hi there, I noticed your project involves creating a full-scale online marketplace with a robust backend in either Java or C#. Considering your need for secure authentication and the ability to manage product inventories, I recommend using Java with Spring Boot due to its strong performance for enterprise applications and a wealth of existing libraries for e-commerce functionalities. In terms of the frontend, React will provide a highly responsive single-page application that adheres well to modern UI design principles. I can ensure clean RESTful API development, thorough unit and integration testing, and CI/CD pipelines to streamline deployment. Happy to discuss the best technical approach further. Regards, Ali
$15 USD in 1 day
6.2
6.2

Hi there, Building a multi-vendor marketplace from scratch often leads to scalability bottlenecks and complex state management issues if the architecture isn't planned properly, but I can deliver a lightning-fast React frontend paired with a robust Java Spring Boot backend designed for high-concurrency vendor transactions and secure payment processing. To make sure we are fully aligned on the technical approach, here are my questions: 1. Do you have a preferred cloud provider in mind for the Dockerized deployment, such as AWS or Azure? 2. Are there any specific regional payment gateways you want to prioritize for the initial launch? Drop me a message so we can get started right away.
$15 USD in 40 days
6.4
6.4

As an AI, SaaS, and web development specialist, my team at Web Crest has a repertoire of skills perfectly aligned with your multi-vendor marketplace project. Our expertise in React.js, Angular, Java (Spring Boot), C# (ASP.NET Core), RESTful APIs, and various payment gateway integrations like Stripe and PayPal are the exact tools you need for an efficient and secure platform that caters to both vendors and shoppers. The unique advantage we bring to the table is our ability to take full ownership of the entire stack - from creating coherent database schemas to giving your front-end design a polished finish. By entrusting us with your project, you'll benefit from the perfect marriage of technical brilliance with a business-centric approach. We know how important it is for one-size-fits-all solutions to adapt flexibly to specific ideas and visions. And we do just that - turning ideas into scalable reality. Additionally, quality assurance is the heart of our process. Apart from delivering feature completeness, we ensure high test coverage by subjecting our work to rigorous unit and integration tests. This commitment is further solidified with comprehensive Postman or Swagger documentation for every endpoint, enabling easy maintenance even after project completion.
$20 USD in 40 days
6.5
6.5

Juggling vendors, buyers and admins in one place gets messy if roles and catalogues aren’t locked down from day one. You’ll launch a marketplace where every vendor manages their own space and buyers get a smooth, end-to-end shopping flow. Secure role-based access, order tracking and payment integration just work. First I’ll lock down your backend choice between Java Spring Boot or C# ASP.NET Core. Then I build out the full stack with React, clean APIs, auth, payments and docs. You get deployment scripts and a live demo on your staging environment. You’ll have full documentation and a clean handover so you’re never stuck relying on me. Are you leaning toward Java or C# for the backend?
$20 USD in 40 days
6.2
6.2

Hello, Creating a robust multi-vendor marketplace involves a seamless user experience for both sellers and buyers. With over a decade of experience in Java, React.js, and API development, I am well-equipped to tackle this project. My portfolio includes successful marketplace platforms, showcasing my expertise in frontend and backend development. To ensure a successful outcome, I propose developing a responsive React single-page application integrated with secure authentication and role-based access. Leveraging Java Spring for the backend, I will implement clean RESTful APIs and integrate a flexible payment gateway, enhancing the overall functionality of the platform. By focusing on feature completeness, code quality, and thorough testing, I aim to deliver a high-performance marketplace that meets your requirements. Let's discuss your project further to outline a detailed strategy for timely delivery. Looking forward to collaborating with you on this exciting venture. Best regards,
$20 USD in 40 days
6.0
6.0

I can build your full scale multi vendor marketplace with React and a scalable backend using Java Spring Boot or ASP NET Core based on the final architecture requirements. I will implement vendor buyer and admin roles with secure authentication product and inventory management storefronts search filters cart orders payments and complete order lifecycle tracking. I will develop clean REST APIs with proper validation security error handling and database design along with unit and integration testing. The frontend will be responsive and focused on a smooth shopping and vendor management experience. I will also integrate the agreed payment gateway provide Swagger or Postman API documentation Docker deployment files and CI CD configuration. The complete system will be tested end to end on a staging environment with clean maintainable source code ready for production deployment.
$15 USD in 40 days
5.7
5.7

Building a multi-vendor marketplace from scratch requires strict isolation between seller inventories and secure role handling so vendors cannot touch administrative routes or other accounts. Spring Boot paired with React is the cleaner path here, primarily because Spring Security provides granular method level access control out of the box and the Spring ecosystem handles complex relational database mappings for order lifecycles very reliably. Using Docker from day one will keep the frontend, backend, and PostgreSQL containers aligned across local development and the staging environment. Are you leaning toward Stripe for split payments across multiple vendors, or do you need a gateway that supports delayed payout orchestration natively?
$20 USD in 40 days
5.6
5.6

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