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We’re building a two‑sided marketplace in the used‑vehicle industry. One side is a dealer portal, where car dealerships can list and trade inventory with one another. The other side is a consumer portal, where private individuals can list their vehicles for sale or trade. The two portals share a common database so vehicles can flow seamlessly between them. Users on each side have different permissions and experiences. Key Objectives • Help dealerships source or offload vehicles quickly by connecting them directly with other dealers. • Provide consumers with an easy, transparent way to get multiple purchase or trade‑in offers from dealers. • Use data and simple AI logic to suggest vehicles that are likely to sell faster or match dealer demand. • Keep branding and business names hidden—use placeholders in your code and documents. Core Features for the Dealer Portal • User Accounts: Allow multiple dealership users to sign up, with roles and permissions (owner vs. staff). • Inventory Management: Dealers can add, edit, and delete cars with details like year, make, model, VIN, mileage, color, price, and photos. • Trading/Wholesale Listings: Dealers can mark vehicles as available for trade or wholesale, filter and search other dealers’ listings, and request swaps. • Offer & Negotiation System: Dealers can send offers to each other for trades or purchases. Offers can be accepted or declined. • Basic Messaging: Optional chat or message threads attached to each offer for negotiation. • Dashboard & Notifications: A summary page showing new offers, pending requests, and accepted trades, with email alerts. Core Features for the Consumer Portal • Listing Form: Consumers can list their car by entering details and uploading photos. They receive an estimated value via integration (for example, a VIN decode API). • Dealer Offers: Dealers can view consumer listings (within selected regions) and place purchase offers. Consumers can view and compare offers. • Accept/Decline: Consumers accept one offer, which triggers contact info exchange with that dealer. The listing then comes off the market. • Simple Account or Guest Flow: You can allow guest listings or require an account for follow‑ups and notifications. Shared and Admin Functions • Central Database: Cars, offers, trades, and users all exist in a shared backend. A car can switch from “private/dealer‑only” to “public/consumer‑listed” status. • Admin Panel: Admin can see all users, vehicles, offers, and logs. Ability to deactivate accounts or moderate content. • Analytics: Basic reporting (number of vehicles listed, offers made, acceptance rate, etc.). • Integrations (Phase 2+): Vehicle lookup for automatic specs (e.g. VIN decoder); optional pricing data sources; email service for notifications. Technical Guidance • Build in a modern web stack or no‑code platform with user authentication, role‑based permissions, and a relational database. • Keep the codebase organized so that dealer and consumer flows are separated but share models. • Use environment variables or configuration files to store real brand names, API keys, and URLs (so they don’t appear in the repo).
ID do Projeto: 40181803
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Ativo há 4 dias
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238 freelancers estão ofertando em média $4.092 USD for esse trabalho

Hi, I can help you build a scalable two-sided used-vehicle marketplace with separate dealer and consumer portals sharing a secure central database. I’ve delivered similar marketplace, inventory, and offer-based platforms with role-based access and negotiation flows. How I Can Help: Dealer & consumer portals with separate UX and permissions Role-based authentication (dealer owner/staff, consumer, admin) Vehicle inventory, listings, and status flow (private ↔ public) Offer, negotiation, accept/decline, and basic messaging Dashboards, notifications, and admin panel Clean, scalable codebase with shared models and API-ready structure Strategy: Single backend with shared entities Clear separation of dealer vs consumer workflows MVP-first, scalable for VIN, pricing, and AI features Relevant Experience: Two-sided marketplaces (B2B & B2C) Automotive & inventory-based platforms Offer/negotiation systems, dashboards, admin panels Web apps using modern stacks (React, Node, Laravel, Django, no-code where suitable) Budget will be finalized in chat or call.
$5.000 USD em 22 dias
9,6
9,6

As an experienced full-stack developer with an impressive portfolio of mobile and web applications, I am confident that I am the best fit for your used-vehicle trading portal project. My expertise in backend development, HTML, and PHP combined with my strong grasp of graphic design ensure a comprehensive and visually appealing platform for both the dealer and consumer portals, fostering seamless exchanges for used vehicles. Having built numerous marketplaces and platforms in the course of my career, I understand the pivotal role that user experience plays in driving usage and activity on your platform. Therefore, I not only prioritize creating robust functionality but also elevating the UX to promote ease of navigation, effective inventory management, swift negotiating systems. My commitment to your brand's integrity is unwavering. I will maintain stringent security protocols to protect proprietary information and use placeholders where needed to ensure utmost discretion. Additionally, my skills extend beyond the basic requirements — I can integrate vital APIs like VIN decoders for better data analysis as well as pricing data sources to optimize consumer offers. Let's collaborate and build a cutting-edge solution that revolutionizes used-vehicle trading while exceeding your expectations!
$7.500 USD em 90 dias
9,6
9,6

With my extensive background in web and app development, specifically in PHP and WordPress, my team at CnELIndia is more than ready to tackle the task of building your innovative used-vehicle trading portal. We have a deep understanding of creating two-sided marketplaces and implementing complex permission systems, making sure each side is distinct but can seamlessly interact with each other. Our approach integrates data analytics and AI logic, as you desire, ensuring that your dealer users are presented with vehicles most likely to sell faster or that match their specific demands. Furthermore, our team's experience in data scraping will prove useful for integrating VIN decoding APIs and other relevant data sources to provide accurate vehicle specs and estimated values. An essential element we provide is a user-centric design approach that guarantees an easy-to-use and transparent interface for both dealerships and private individuals. Our commitment is not only to build a platform that meets your needs but also one that aligns with your vision. I propose partnering with us not just as hirelings, but as collaborators who share the same commitment towards innovation and customer satisfaction.
$4.000 USD em 55 dias
9,1
9,1

Hello, I’m Muhammad Awais. I will build a two‑sided marketplace with a shared backend and separate dealer and consumer experiences, plus an admin panel to manage users, listings, offers, and activity logs. Dealers get multi‑user accounts with owner/staff roles, inventory management (year, make, model, VIN, mileage, color, price, photos), trading/wholesale listings, offers and negotiations, and optional messaging. Consumers can list cars with VIN‑based value estimates, view dealer offers, compare them, and accept one offer to trigger contact and remove the listing from the market. The shared database lets vehicles move between private and dealer states, while environment‑config shows placeholders for branding. I’ll use a modern stack, keep dealer and consumer flows separate yet share models, and provide basic analytics and notifications. Phase 1 covers VIN decoding; Phase 2 adds pricing data and more integrations. Expect a focused MVP in about 60 days with milestones and a clean, scalable codebase. What is your target go-live date for the MVP and any must-have features for Phase 1? What regions should we start with for consumer listings? Should guest listings be allowed or require an account for follow‑ups? Do you have a preferred VIN decoder API or pricing data source? What dealer and listing volumes do you target to size the database and hosting? How should offers and negotiations trigger notifications and when should a listing go off market? Best regards,
$5.000 USD em 28 dias
8,8
8,8

Hello, I’m excited about the opportunity to help you build a two-sided marketplace in the used-vehicle industry. With a focus on creating a seamless dealer portal and a user-friendly interface for buyers, I can ensure that your platform not only meets but exceeds user expectations. My experience in developing marketplaces equips me to deliver features like efficient listing management, real-time inventory tracking, and robust user authentication. I understand the importance of a reliable and scalable solution for both dealers and customers. I will work closely with you to define the user journey and implement essential functionalities that drive engagement and transactions. Let’s create a platform that stands out in the competitive used-vehicle market. Regards, Nurul Hasan
$3.000 USD em 7 dias
8,7
8,7

Hello, Hope you are doing well, Drawing from my extensive experience in API Development, Backend Development, Frontend Development, Web Designing and Data Entry services, hiring me to handle this project will ensure you a consistent, organized and high-quality output. I am well-versed in various web stacks and CMS platforms such as Wordpress and Magento - specialized skills that can be handy for building the intricate system your project demands. Moreover, as a graphic designer, my eye for design ensures that not only will your project be functional and engineer-friendly, it will also be aesthetically appealing. I fully understand your objective of building a two-sided marketplace with each entity having distinct roles. Through my thorough comprehension of user authentication, role-based permissions and relational database structures, I can build a common backend with seamless flow for vehicles between dealers and the public. Rest assured that we are committed to giving you what you desire within your stipulated timeframe. By choosing Cloud1 Web Solutions for your Innovative Used-Vehicle Trading Portal, you are not only selecting 100% dedication to quality work at an affordable price but more importantly, an assurance for timely delivery without compromising on the quality. Let's make that step forward together! thank you Regards Gaurav D.
$4.000 USD em 30 dias
8,6
8,6

Hi, With over 8 years of experience in Web/App Development and Designing, I am confident that my skills and expertise make me an ideal candidate for your Innovative Used-Vehicle Trading Portal. I have a strong track record of implementing APIs such as Shipstation, Quickbook, Salesforce, Amazon and more. Additionally, I am well-versed in modern web stacks like Laravel, CakePHP, CI as well as frontend frameworks like React.js, Node.js, Vue.js. My understanding and proficiency with AI Development will prove critical for your project, as it needs to suggest vehicles likely to sell faster or match dealer demands. Moreover, my experience with building custom portals like Event Portals and Booking Systems speaks to my ability to create dynamic platforms tailored to specific user roles and permissions. One of the key aspects of your project is data management- ensuring that brand names remain hidden in the codebase and using placeholders for branding. My meticulous organizational skills combined with a knack for detail-oriented coding will ensure these specific instructions are followed to-the-T. Furthermore, my adaptable nature has always helped me deliver quality work within given timelines. I am excited about this project as it combines both backend and frontend development—two areas where I excel. Let's bring your vision to life!
$3.500 USD em 45 dias
8,3
8,3

Hello, I hope you are doing well! i will help you build a scalable two sided vehicle marketplace where dealers and consumers operate in distinct portals while sharing a secure centralized database for seamless vehicle flow. i will design role based dealer accounts inventory management trading and wholesale listings offer negotiation messaging dashboards notifications and analytics while keeping branding abstracted through placeholders and environment configs. i will also deliver a smooth consumer experience with guided listing forms dealer offers comparison accept decline flows VIN based data enrichment and optional guest or account access. using a clean modern stack with clear separation of dealer and consumer logic i will ensure performance security simple AI driven vehicle suggestions and a future ready foundation that supports growth and phase two integrations. PS: I can start from now and can deliver this project asap with your 100% Satisfaction with Unlimited Revisions. Please provide me a chat, I want to ask you some questions and can start from now Looking Forward to your Response. Best Regards Hammad Hassan
$4.000 USD em 7 dias
7,8
7,8

I HAVE BUILT SIMILAR TWO-SIDED MARKETPLACE PLATFORMS IN THE AUTOMOTIVE & INVENTORY TRADING SPACE — THIS PROJECT IS A PERFECT FIT. I will deliver a clean, scalable MVP for your used-vehicle marketplace with a shared backend and clearly separated dealer and consumer experiences. Core Scope & Features Two portals (Dealer + Consumer) on a shared relational database Dealer inventory management (add/edit/delete vehicles, photos, pricing) Dealer-to-dealer trade & wholesale listings with offer/negotiation flow Consumer vehicle listings with dealer offers & comparison vie Offer acceptance workflow with automatic status changes Role-based dashboards, notifications, and basic messaging Admin panel for moderation, analytics, and account control Placeholder branding, secure configs, and environment-based secrets User Role Admin (full system control & analytics) Dealer Owner / Dealer Staff (permission-based access) Consumer (account or guest flow) Technology Modern web stack with authentication, RBAC, clean models shared across portals, and extensible architecture for Phase-2 integrations (VIN decode, pricing, email). Delivery Commitment Production-ready codebas 100% complete source code ownership 2 years of FREE ongoing support post-launch (bug fixes & minor updates) Clear documentation and deployment support I focus on reliability, clarity, and long-term maintainability. Happy to discuss timelines and milestones.
$3.000 USD em 15 dias
7,6
7,6

BUILT AND LAUNCHED A NEAR-IDENTICAL TWO-SIDED VEHICLE MARKETPLACE—LIVE DEMO READY IMMEDIATELY. I’m a senior Designer & Full-Stack Developer with proven experience delivering two-sided marketplaces in the automotive/used-vehicle space, including dealer-to-dealer trading, consumer listings, shared inventories, offers, and role-based portals. Your requirements align closely with platforms I’ve already shipped end-to-end. How I’d deliver your product (practical workflow): Concept & Wireframing: Validate dealer vs. consumer journeys, permissions, and vehicle lifecycle (private ↔ public). UI/UX Design: Clean, conversion-focused flows for dealers and consumers, optimized for speed and clarity. Feature Development: Shared relational database, dealer inventory tools, consumer listings, offers/negotiation, messaging, dashboards, admin panel, analytics, and Phase-2 integrations (VIN decode, pricing, email). Rigorous Testing: Role-based access, offer logic, state transitions, notifications, and edge cases. Deployment & Support: Secure deployment, environment-based configs (no branding leaks), ongoing support. I’m confident I can deliver a scalable, cleanly separated dealer/consumer system with a shared core. Happy to walk you through a live demo of a similar platform and discuss next steps.
$3.000 USD em 15 dias
8,1
8,1

Hi Eric G., ➡️ I read your project description, you are looking to create an innovative two-sided marketplace for the used-vehicle industry, integrating complex features for both dealer and consumer interfaces. ⏺️ With over 12 years as a Full Stack Developer, I have extensive experience in building marketplaces that facilitate seamless interactions between different user types. My expertise in modern web technologies and database management will ensure a robust, scalable platform where dealers can manage inventory and trade, while consumers can effortlessly list and receive offers on vehicles. I will ensure the separation of user flows while maintaining a cohesive backend architecture. Regards, Aftab Ahmad Full Stack Developer (12 Years of experience)
$3.000 USD em 30 dias
7,4
7,4

A TWO SIDED VEHICLE MARKETPLACE THAT CONNECTS DEALERS AND CONSUMERS WITHOUT CHAOS You’re building a dual portal marketplace where dealers and private sellers interact through shared inventory, offers, and negotiations without data conflicts or architectural mess. At Plan D Studios, we’ve spent 12+ years building custom software, SaaS platforms, and role based marketplaces with shared databases and clearly separated user flows. How we’d tackle this: • Centralized relational database for vehicles, users, offers, and trades • Separate dealer and consumer portals with strict role based permissions • Inventory management, offer/accept/decline workflows, and basic messaging • Admin dashboard for moderation, analytics, and system control • Clean PHP based web development with structured backend, API development, and extensible models • Configuration based branding and API handling to keep repos clean and secure • Foundation ready for Phase 2 integrations (VIN decoder, pricing data, basic AI logic) Everything is built in house no outsourcing using proven web development, custom software, API integration, database management, and SaaS architecture practices. Are you planning this as an MVP first platform or a long term scalable marketplace from day one? Happy to align and move forward. Regards, Haider
$4.300 USD em 30 dias
7,3
7,3

With expertise in Shopify, WordPress, and web development technologies, and willingness to start right away, I propose to build a user-friendly two-sided marketplace in the used-vehicle industry. From user accounts to inventory management, I ensure seamless functionality. Let's get started today. Regards, Pooja
$4.000 USD em 3 dias
7,0
7,0

Hello, Thank you for providing detailed insights into the Innovative Used-Vehicle Trading Portal project. I have thoroughly reviewed the project requirements and objectives, and I am confident in my ability to successfully execute this project. To achieve the desired outcome, I plan to develop a two-sided marketplace platform with distinct features for both dealers and consumers. Implementing user authentication, role-based permissions, and a relational database will ensure seamless functionality and user experience. By maintaining organized codebases for dealer and consumer flows while sharing models, we can efficiently manage the platform's operations. Additionally, integrating essential features like inventory management, offer systems, and messaging functionalities will enhance user engagement and facilitate smooth transactions. I am excited about the opportunity to work on this project and am eager to discuss further details to kickstart the development process. I'm confident that I can deliver a high-quality project that meets your expectations. Let's discuss further details and get started on this project.
$3.000 USD em 7 dias
6,6
6,6

Hello, My expertise in building high-performance websites using a range of CMS platforms makes me a perfect candidate for this undertaking. Moreover, my experience in AI development and API integration aligns explicitly with your project's objectives of utilizing data and simple AI logic to suggest vehicles that are likely to sell faster or match dealer demand, or pulling in real-time pricing data from multiple sources. Having worked on user authentication, role-based permissions, and relational databases before, I instinctively understand the requirements for your dealership portal and consumer portal. My codebase organization has always been meticulous, ensuring that each flow is separated while maintaining shared functionality where needed. My commitment to meeting deadlines and delivering results that not only meet but exceed expectations has earned me positive feedback from clients time and again. Trust me; I'll bring this same level of dedication when working on your innovative used-vehicle trading portal. Lets Connect.
$3.800 USD em 15 dias
6,7
6,7

Hello, I’ve carefully reviewed your requirements and I’m confident I can deliver a solution that is not only visually appealing but also highly functional and fully aligned with your goals. I focus on creating digital solutions that provide seamless user experiences and real business value. With over 10+ years of experience in full-stack development, I handle projects end-to-end from planning and design to development, testing, and deployment ensuring high performance, scalability, security, and a polished finish. I’d love to understand your vision in more detail, including any preferred features, design style, or technical preferences, so we can build a solution that perfectly matches your expectations. Let’s connect for a quick discussion to finalize requirements and next steps. Thank you, Sourabh
$3.000 USD em 1 dia
6,5
6,5

Hello, I understand you’re looking for. a robust, two-sided used-vehicle trading platform that cleanly separates dealer and consumer experiences while operating on a shared, secure backend. I have experience designing marketplace systems with role-based permissions, shared inventories, and negotiation workflows, ensuring that complex interactions remain intuitive for end users. My approach would be to architect a modular web application where dealer and consumer portals share core data models but have clearly isolated flows, permissions, and interfaces. Dealers would manage inventory, wholesale listings, and inter-dealer offers through a dashboard optimized for speed and volume, while consumers would use a simplified listing and offer-comparison experience focused on transparency and trust. Offer handling, status transitions, and notifications would be handled centrally to ensure data consistency as vehicles move between private, dealer-only, and public states. I would implement a scalable relational database, clean API layer, and role-aware UI, keeping branding abstracted through configuration files and environment variables as requested. Basic analytics and AI-driven vehicle suggestions would be data-driven and extensible for future integrations such as VIN decoding and pricing sources. The result would be a maintainable, phase-ready platform aligned with your long-term marketplace vision. Thanks, Asif
$5.000 USD em 45 dias
6,4
6,4

★ Dear Client ★ I can build your two-sided used-vehicle marketplace (Dealer Portal + Consumer Portal) with a shared database, clean role-based permissions, inventory/listing management, offer + negotiation flows (with optional messaging), notifications, and an admin panel—while keeping real brand names/API keys hidden via env/config placeholders. I’ve built similar marketplace-style systems with structured workflows, searchable catalogs, and secure account separation, and I can deliver a clean, maintainable codebase that keeps dealer and consumer experiences separate but shares core models. When do you need the first working version finished by (MVP vs full v1)? Thanks
$3.000 USD em 30 dias
6,1
6,1

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional used vehicle trading portal creating services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival
$3.000 USD em 30 dias
6,2
6,2

Hi, We will build you a two-sided marketplace that connects dealerships seamlessly while allowing private individuals to sell or trade their vehicles with ease. Our experience and knowledge will be crucial in designing the necessary user roles and permissions, facilitating the inventory management system, and optimizing swift offer and negotiation processes. Our hands-on work with centralized databases and robust Admin Panels will ensure that we deliver a system that integrates all key components like cars, offers, trades, and users while providing you with comprehensive analytics capabilities. Moreover, our frontend expertise ensures a smooth user experience for both dealers and consumers as they peruse listings and make offers. We even have expertise in handling integrations like VIN decoder which you might consider for future updates. Ultimately, Curveball brings two essential qualities to your project: technical proficiency and an unwavering commitment to meeting your specific business needs. We deeply understand the importance of maintaining confidentiality throughout different functions of your platform. With us at your side, you can be confident of receiving a dynamic web solution that effectively removes the operational barriers often associated with used-vehicle trades; allowing your platform to not just connect customers but ease their way towards fruitful transactions.
$3.500 USD em 15 dias
6,2
6,2

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