
Fechado
Publicado
Pago na entrega
I need a complete car auction solution that runs smoothly on iOS, Android, and the web under a single code-base. The public-facing side must let buyers and sellers create accounts, list vehicles, place real-time bids, and check out securely once the hammer falls. Stripe, PayPal, or another mainstream gateway is fine for payments as long as it supports split-payouts between seller, platform fee, and taxes. Behind the scenes I want a browser-based admin panel where my team can: • Add, edit, approve, or remove listings in seconds • Watch live bidding activity, flag suspicious behaviour, and if necessary freeze an auction • Download or schedule financial, traffic, and user-activity reports (CSV/PDF) Tech stack is up to you—React Native, Flutter, Angular, Laravel, Node, or an equivalent modern framework—as long as it delivers a fast UI, push notifications, and scalable cloud deployment. Acceptance criteria 1. A single sign-on account works across all three platforms. 2. Bids update in real time without page refresh. 3. Payments settle automatically and appear in the admin reports. 4. Source code, build instructions, and a short video walk-through are provided on hand-over. If you have questions about workflow, third-party APIs, or data migration from my existing CSV inventory, let me know and we can lock down the details together.
ID do Projeto: 40012934
290 propostas
Projeto remoto
Ativo há 1 mês
Defina seu orçamento e seu prazo
Seja pago pelo seu trabalho
Descreva sua proposta
É grátis para se inscrever e fazer ofertas em trabalhos
290 freelancers estão ofertando em média $4.025 CAD for esse trabalho

**** Cross-Platform Car Auction Platform — Mobile (iOS/Android) & Web (Single Codebase)**** Hello, How are you? I will build a production-ready, single-codebase auction platform (mobile + web) where buyers/sellers register, list vehicles, place real-time bids, and complete secure checkout. The admin panel will enable fast listing moderation, live bid monitoring, fraud flagging/freezing, and scheduled CSV/PDF reports. Payments will integrate with Stripe/PayPal (or similar) supporting split-payouts for seller, platform fees, and taxes, with automated settlement and reporting. Buyer & Seller • User registration & single sign-on • Profile management • Vehicle listing creation • Real-time bidding • Watchlist/Favorites • Secure checkout & payment • Notifications (push, email, SMS) • Search & filters • Transaction history • Multi-platform access (iOS, Android, Web) Auction Features • Live auction rooms • Countdown timer • Auto-bid option • Bid history • Auction freeze/block • Winner confirmation • Split-payout processing Admin Panel • Dashboard & analytics • Add/edit/delete/approve listings • User management • Auction monitoring • Fraud/suspicious behavior flagging • Freeze/unfreeze auctions • Reporting (CSV/PDF) • Payment & settlement overview • System configuration settings • Logs & activity tracking Let’s Chat.. Thanks
$3.200 CAD em 20 dias
9,8
9,8

Hello, I understand you're looking for a comprehensive car auction app that works seamlessly on iOS, Android, and the web using a single code-base. My approach is to use a modern framework like React Native or Flutter which ensures a smooth user experience and quick development. With features like real-time bidding, secure payment gateways, and a flexible admin panel for managing listings, your team will have all the tools needed for smooth operation. The app will also support single sign-on for all platforms and automatic payment settlements, keeping everything user-friendly and efficient. What are your specific requirements for the admin panel functions? Thanks,
$5.000 CAD em 28 dias
9,3
9,3

Hello! I can build your complete cross-platform car auction ecosystem—iOS, Android, and Web—all powered by a single, clean, scalable code-base. The goal is a fast, reliable real-time bidding experience plus a professional admin panel where your team can manage auctions effortlessly. What I’ll deliver • Unified user account across mobile + web (SSO) • Real-time bidding with instant bid updates (WebSockets/Firebase) • Secure checkout using Stripe/PayPal with automated split-payouts • Vehicle listing flow with photos, docs & verification • Push notifications for outbid alerts, auction start/end, and payments • Full web-based admin panel: – Approve/remove listings – Live auction monitoring – Fraud/suspicious activity flags – Freeze/unfreeze auctions – Downloadable CSV/PDF reports (finance, traffic, user activity) Approach I’ll build the apps using a single robust framework (Flutter or React Native for mobile + a matching web build) with a Node.js or Laravel backend for scalable APIs, WebSockets, and secure role-based admin access. Real-time events will be latency-optimized, while payment logic will use Stripe Connect/PayPal Payouts for transparent fee splits. The project moves in weekly milestones with working previews so you can test bidding, payments, and admin tools as they evolve. If you'd like, I can share sample auction UI layouts before development begins. Ready to get started. Best regards, Jasmin.
$4.000 CAD em 7 dias
9,5
9,5

With over a decade of experience in web and mobile development, including expertise in React Native, Flutter, Angular, Laravel, Node.js, and more, I understand your need for a seamless cross-platform car auction app. I can deliver a solution that allows buyers and sellers to interact effortlessly, supports split-payouts through mainstream gateways like Stripe and PayPal, and provides a robust admin panel for your team to manage listings, bidding activity, and reports efficiently. In my previous projects within the eCommerce and FinTech domains, I have successfully delivered similar solutions that meet and exceed client expectations. My track record in building scalable, user-friendly applications with real-time updates aligns perfectly with your requirements for a fast UI and push notifications. I am excited to bring my expertise to your project and provide a comprehensive solution that meets all your needs. Please reach out to discuss further details and get started on creating your custom car auction app.
$4.000 CAD em 45 dias
8,9
8,9

Hello , Nice to meet you! I will design and develop LIVE CAR AUCTION mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$3.000 CAD em 35 dias
9,0
9,0

As an experienced mobile app and web developer well-versed in your project requirements, I'm confident that I can provide you with a comprehensive car auction solution that ticks all your boxes. Having developed complex, scalable platforms encompassing the web, iOS and Android, I'm deeply familiar with building cross-platform apps that function seamlessly under a single codebase. One of my notable strengths is my proficiency in utilizing different frameworks such as React Native, Flutter, Angular among others. Thus, I can surely deliver the fast UI, push notifications, and scalable cloud deployment you seek for your car auction app. Furthermore, my strong command over PHP and Node.js only enhance my ability to present you with an intuitive admin panel where the management of listings, fraud detection and reporting would be a breeze for your team. I understand the importance of the milestones you've set forth—real-time updates on bids, streamlined payment settlement and detailed admin reports—and guarantee their seamless integration. Lastly, given my extensive experience in handling diverse APIs; streamlining data migration from your existing CSV inventory will not be an issue at all.
$5.000 CAD em 70 dias
9,3
9,3

Dear Client, We have expert team available in ANDROID App Development/iOS App Development/ Flutter/Flutter Flow/Kotlin having more than 10 years of experience in this technology. They can easily complete your work with good quality and estimated time. Here is our expertise/specialties : ------------------------------------ All types of social media integration Like Facebook, Google Plus, Twitter. All types of Google API integration Like FCM, Map, Place, Youtube, and Analytics. Storage management with Offline, Online and cloud databases like SQlite, MySql and RealTime database. Online Payment integration with Stripe, Paypal, Braintree etc. Integrate different types of ads network with monetized ads like Appodeal, AdMob,MobVista. InAppPurchase Location Tracking Chatting Application Social media Application Shopping Portal Job Portal Carpooling/Taxi App VPN App Travel App Live Streaming App AI Integration and Machine Learning App Quality work and customer satisfaction through service excellence is our motto. We want to work with you and build a healthy long-term business relationship. Warm Regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.
$3.500 CAD em 15 dias
8,5
8,5

I have carefully read and understood your requirements for the complete car auction system, and I believe our team would be an excellent fit for this project. Based on your needs, I recommend using Flutter for the mobile apps (iOS & Android) and Laravel for the backend and admin panel. For the web version, we will use Laravel Blade, ensuring everything runs under a single, unified code-base with shared authentication and a scalable architecture. Our team has strong experience in building multi-user platforms with secure login, real-time bidding/updates, role-based access, and integrated payment flows. We have previously developed marketplace apps, and real-time chat/notification modules, so your project aligns well with our expertise. What We Will Deliver ✔ iOS, Android, and Web versions using one backend ✔ Real-time bidding ✔ Single sign-on across all platforms ✔ Sellers can list cars, upload images, and manage their profile ✔ Buyers can bid live and complete secure payments ✔ Payment split between seller, platform fee, and taxes ✔ Admin panel to manage listings, monitor live bids, and freeze auctions ✔ Downloadable reports in CSV/PDF formats ✔ Push notifications for bids, approvals, and auction status ✔ Full source code + build instructions ✔ Short video walkthrough at the time of delivery ✔ Deployment on your preferred cloud provider regards, Sana
$5.000 CAD em 60 dias
8,7
8,7

Hi there, I can build your complete car auction solution with a unified codebase for iOS, Android, and the web, enabling buyers and sellers to create accounts, list vehicles, place real-time bids, and check out securely. I will also build the admin panel to manage listings, monitor live bidding, flag suspicious activity, and generate financial and user activity reports in CSV/PDF format. I would suggest Flutter for cross-platform development, connecting Stripe/PayPal (or another gateway) to support split-payouts between sellers, platform fees, and taxes, with real-time bid updates and push notifications. I have over a decade of experience and have worked on real-time, scalable applications with secure payment integrations, ensuring smooth performance across web and mobile platforms. I request to discuss platform details and any existing inventory so I can share a detailed development plan, milestones, and timeline—ping me once you’re available. Also, could you clarify how you envision handling simultaneous bids to ensure truly real-time updates across all users? Thanks, Rahul A.
$5.000 CAD em 55 dias
8,7
8,7

Hi samr57 I’m your web developer, ready to turn your project Cross-Platform Car Auction App into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in PHP, Mobile App Development, Android, Node.js, AngularJS, React Native, Angular WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$4.000 CAD em 7 dias
8,3
8,3

Hello, I will build your cross platform car auction app with a clean flow for listing, bidding, buying, and managing vehicles. I will use a single code base that runs smoothly on both Android and iOS and set up screens for car listings, bidding history, notifications, user accounts, and payments. I will also create secure backend APIs for auctions, seller uploads, buyer actions, and order confirmations so every step stays synced in real time. If you need admin tools for managing users, bids, and listings, I will prepare them in a simple structure. I will keep the app responsive, fast, and easy to use with clear navigation and stable performance. Looking forward to discussing further. Regards, Kamran.
$3.000 CAD em 7 dias
8,4
8,4

Hello, {{{ Cross-Platform Car Auction App I HAVE CREATED SIMILAR APPS BEFORE AND I CAN SHOW YOU }}}} I reviewed your requirements for the Cross-Platform Car Auction App and fully understand the workflow—real-time bidding, unified user accounts, secure split-payments, and an efficient web-based admin panel for monitoring, reporting, and auction control. I am having 10+ years of experience in the technologies required to build scalable cross-platform systems (Flutter/React Native + Node/Laravel). I will deliver a single code-base for iOS, Android, and Web, complete with live bid updates (WebSockets), unified SSO, automated settlement via Stripe/PayPal split-payouts, push notifications, and exportable admin reports (CSV/PDF). Data migration from your existing CSV inventory is included. "I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES" ++++++Service Guarantee++++++ * design of app android ios admin panel * optimised code and well commented to use for future * All latest code to support all version of android and ios phone device. * publish app in google play store and in itune store * setupp server and host app and databse I am confident in delivering the exact auction flow you described and am ready to clarify API, workflow, or integration details anytime. I eagerly await your positive response. Thanks. christina
$3.500 CAD em 17 dias
8,3
8,3

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Divya
$4.000 CAD em 45 dias
8,1
8,1

Hello, I’ve clearly understood your need for a full cross-platform car auction system that runs on iOS, Android, and web from a single unified code-base. With 11 years of full-stack experience and strong expertise in real-time bidding, payment splitting, and scalable cloud deployments, I can deliver a fast and secure solution where users create accounts once, list vehicles, bid live without refresh, and complete payments through Stripe or PayPal with automatic settlement. I will also build a powerful admin panel for your team to manage listings, monitor live bids, flag issues, freeze auctions, and generate scheduled reports in CSV or PDF. The entire system will be cleanly architected with push notifications, audit logs, and smooth data import from your existing CSV inventory. approach Architect unified code-base, implement real-time bidding engine, integrate split payments, build admin dashboard workflow Feature planning, API build, front-end development, real-time layer, QA testing, deployment and handover Thankyou
$3.030 CAD em 7 dias
8,5
8,5

Hi Sam, We’ve developed similar multi-platform solutions, including a car auction app that lets users bid on cars and manage their profiles. We also built a separate admin panel for auction managers to monitor live bidding and manage users and listings. For your project, I recommend using Flutter for the front end and Laravel for the back end. This combination allows us to create a fully optimized web app while delivering a native-like experience on mobile. We can also integrate Stripe and PayPal for secure payments. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$3.850 CAD em 21 dias
7,3
7,3

Hello, I'm web, mobile developer, I have 10+ years experience in HTML, CSS, jQuery, ReactJS, ReactNative, Flutter, VueJS, PHP, Laravel, CodeIgniter, API, WordPress, Joomla, Android, iOS.... I will provide you with the best quality and long term support. Please discuss, thank you!
$5.000 CAD em 7 dias
7,5
7,5

Hi, this is Elias from Miami. I’ve reviewed your project — you need a cross-platform car auction solution with iOS, Android, and web under a single codebase. I can build a system where buyers and sellers create accounts, list vehicles, place real-time bids, and complete payments via Stripe/PayPal with split payouts. Push notifications, a fast UI, and scalable cloud deployment are included. The admin panel will let your team manage listings instantly, monitor live bidding, flag/freeze auctions, and generate CSV/PDF reports for finance, traffic, and activity. I’ll provide clean, documented source code, build instructions, and a short hand-over walkthrough. Quick clarifying questions: Q1: For real-time bids, do you prefer a WebSocket solution, Firebase Realtime Database, or another push-based mechanism? Q2: Are split payouts for sellers/platform/taxes standardized per auction, or flexible per listing? Q3: Should CSV inventory migration include historical auction data, or just active/current listings? I’ve built multi-platform real-time marketplaces and can get an MVP running quickly while ensuring robust admin controls. Regards, Elias
$4.000 CAD em 7 dias
7,5
7,5

Hello I have build many auction platform so i believe i can finish this project very quickly and quality PLease contact me to see demo Thanks
$4.000 CAD em 40 dias
7,3
7,3

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on PHP, Mobile App Development, Android, Node.js, AngularJS, React Native, Angular Lets connect in chat so that We discuss further. Regards
$4.000 CAD em 7 dias
6,9
6,9

Dear Hiring Manager, I’d be glad to develop your cross-platform car auction system with a unified code-base and a fully integrated admin panel. My focus will be on real-time bidding performance, scalable backend architecture, and secure multi-channel payments. Implementation Approach: • Build iOS, Android, and Web from a single framework (Flutter or React Native + web), paired with a Node/Laravel backend and real-time WebSocket infrastructure. • Develop user flows for account creation, listings, bidding, notifications, and automated split-payouts via Stripe/PayPal. • Implement an admin dashboard for listing management, live auction monitoring, fraud-flagging, and exportable financial/activity reports. • Ensure unified SSO, real-time bid updates, secure payment settlement, and clean build instructions with a hand-over demo. Queries: • Do you prefer Stripe or PayPal for split payments? • Should auctions support reserve prices and scheduled start/end times? • Will your existing CSV inventory follow a fixed schema? Note: The time and cost presented are estimates and can be discussed further and set after discussion. If you'd like to receive similar projects, you're more than welcome to message me through chat. Best Regards
$3.000 CAD em 45 dias
7,0
7,0

Burlington, Canada
Método de pagamento verificado
Membro desde dez. 19, 2024
£20-250 GBP
$5000-10000 USD
$250-800 USD
£2-5 GBP / hora
₹1500-12500 INR
₹75000-150000 INR
$250-750 USD
₹1500-12500 INR
₹1500-12500 INR
₹25000-50000 INR
₹12500-37500 INR
₹12500-37500 INR
$500-1000 USD
₹12500-37500 INR
₹37500-75000 INR
$15-25 AUD / hora
$5000-10000 USD
$30-250 CAD
$15-25 USD / hora
₹3000-4000 INR