Target Price Reverse Auction App

@eclairios

Hello, I'm excited by your innovative vision for a reverse marketplace where buyers define their needs and sellers compete to meet them. I understand the critical need for a seamless mobile-first experience, encompassing secure user flows, dynamic bidding, real-time notifications, and a robust admin panel to ensure a fair and scalable platform. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas

@kamran2012

Hello there, I will build your reverse auction marketplace — buyer posting with target price and countdown, real-time seller under-bidding, push notifications, and an admin panel — as a cross-platform mobile app using Flutter with a Firebase backend for live bid streaming. For the bidding engine, I will implement an anti-sniping rule that extends the countdown by 30–60 seconds whenever a new bid lands in the final minute. This prevents last-second wins that frustrate competing sellers and keeps auctions fair. WebSocket channels will push every bid update instantly to all participants without polling overhead. Questions: 1) Do you need integrated escrow or payment processing at launch, or will transactions happen off-platform initially? 2) What is your target launch — iOS only, Android only, or both simultaneously? Looking forward to talking through the details. Kamran

@joomextensions

Hi, Your reverse-auction marketplace idea is strong, and I can build it as a scalable, real-time, mobile-first platform. Approach: Flutter (iOS/Android) + Node.js/NestJS backend, PostgreSQL, WebSockets for live bidding, Firebase/Auth0 for low-friction login (email/phone/social). Core features: • Buyer dashboard: post requests, target price, countdown timer • Seller panel: live requests, under-bidding, instant outbid alerts, win confirmation • Real-time updates + push notifications • Secure auth + role-based access • Admin panel: moderation, disputes, analytics Extras for engagement & trust: Anti-sniping timer, seller ratings/badges, escrow-ready payments (Stripe/Razorpay), fraud checks. Focus: clean architecture, fast performance (Redis caching, CDN), and scalable backend. I can deliver an MVP in ~10–12 weeks with clear milestones and future-ready structure. Happy to share architecture + flow diagrams. — Harsh

@mrresearcher99

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert

@ixorawebmob

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. For your Target Price Reverse Auction App, I recommend a tech stack that includes Flutter for cross-platform mobile development, ensuring a native experience on both Android and iOS. Using Firebase for real-time database capabilities will enhance the bidding process and notifications. The architecture will include: 1. **User Authentication** - Secure sign-up/login. 2. **Buyer Dashboard** - For posting items, setting target prices, and viewing offers. 3. **Seller Interface** - Live bidding functionality with notifications. 4. **Admin Panel** - For listings and analytics management. I also envision implementing anti-sniping features and a badge system to enhance user engagement. Here is my portfolio: [https://www.freelancer.in/u/ixorawebmob](https://www.freelancer.in/u/ixorawebmob) I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1. Are there any specific payment integration needs? Let’s discuss over chat! Regards, Arpit Jaiswal

@kishanbwts

This is a smart twist on marketplace design. To keep sign-up smooth yet secure, I’d suggest email plus social login (Google/Facebook) with optional phone verification to lower friction but stop fake accounts. For tech, a React Native cross-platform app paired with Firebase or AWS Amplify backend offers real-time syncing and scalable auth services. WebSocket or Firebase Realtime Database would handle live bid updates efficiently. I’ve built auction features with live bid tracking and countdown timers before, and quick anti-sniping logic (like extending timers by 1-2 minutes when a last-second bid arrives) greatly improves fairness. For seller notifications, push messages plus in-app alerts keep engagement high. The admin panel can be a React web dashboard that connects securely to the same backend, enabling dispute resolution and analytics with role-based access. A clear milestones plan might start with core auth + dashboards, then real-time bidding and notifications, followed by admin panel and security audits. Escrow integration could be added post-launch to enhance trust. What’s your preferred approach for payment handling? Should escrow be on-chain or traditional? Also, do you want offline support for spotty connections during bidding? I’m ready to get the core auction flow running smoothly and scale it up from there.

@technologiesit

You're looking to build a unique and innovative online marketplace, and I'm the perfect developer for the job! With ten years in the industry and a diverse skill set that includes JavaScript, mobile app development, PHP, and web development, I have the technical prowess to bring your vision to life. I understand the importance of a smooth user experience in any online platform, especially a marketplace like yours where security and performance are paramount. So, you can rely on me to design and implement a secure sign-up/sign-in process that's hassle-free for every user. Lastly, let's not forget my extensive experience with over 100 successful projects. This means not only will I adhere to timelines and milestones but also provide long-term support for any hiccups or future enhancements that may arise as your app scales. Your satisfaction is of utmost importance to me, which is why I prioritize clear communication and fast delivery. So, join hands with me at Prajapati Technologies, and together we'll create an online marketplace that will redefine how products are bought and sold!

@pinkeegupta

Hello I will be able to help you in your marketplace App. I have done some marketplace app before also and can give demo also if needed. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)

@fullstack0407

I have read your job post and I can build your reverse-auction marketplace where buyers post items and sellers compete by lowering prices. I am a full stack mobile developer with experience in real-time bidding systems and marketplace apps. I recommend a cross-platform approach using Flutter for mobile apps and Node.js (or Laravel) for the backend with a real-time database like Firebase or WebSockets. This will support instant bid updates and push notifications. I will build buyer and seller dashboards, live bidding flow, notifications, and an admin panel for disputes, verification, and analytics. I will also design the system so it is secure, scalable, and easy to expand later. For fairness, I can add features like anti-sniping timers, bid cooldowns, seller badges, and optional escrow integration. I will deliver the project in clear milestones starting from MVP to full production version, with a strong focus on speed, trust, and real-time performance.

@SmartCodeDev

Hello, I can design and build your reverse marketplace with a scalable, real-time architecture and a smooth user experience. I recommend a mobile-first approach using Flutter or React Native for cross-platform apps and a Node.js backend with WebSockets for live bidding. Authentication can include email and social login with secure token-based sessions to keep onboarding simple. Buyers will have a clean dashboard to post requests with pricing, specs, images, and countdown timers. Sellers will see live listings, place under-bids in real time, and receive instant notifications when outbid or when they win. I will implement real-time updates using WebSockets or Firebase along with push notifications for all key actions. Admin panel will include dispute handling, listing moderation, and basic analytics dashboards. For fairness and engagement, I can add anti-sniping timers, minimum bid steps, seller ratings, badges, and optional escrow integration. The system will be built with strong security, optimized queries, and scalable infrastructure ready for growth. Milestones will include UI and UX design, backend and API development, real-time bidding engine, frontend integration, testing, and deployment. I have experience with real-time platforms and marketplace logic and can share relevant work on request. Ready to discuss your vision and start building.

@santoshkumars17

From crafting an intuitive user experience to implementing robust security measures, I have the skills and expertise needed to bring your Target Price Reverse Auction App to life. With over 5 years of experience in full stack web and mobile app development, I understand the nuances of creating scalable and reliable solutions. For your project's secure sign-up/-in system, we can opt for a streamlined approach that uses email or social logins while keeping user friction low. My proficiency in API development can also ensure seamless integration with any third-party authentication providers you prefer. To provide an immersive experience, I propose a mobile-first architecture using efficient cross-platform frameworks like React Native or Flutter. These technologies offer both speed and flexibility, crucial for real-time updates and push notifications essential for live bidding that your app demands. Additionally, my policy focuses on clean code, on-time delivery, and transparent communication. Partnering with me means getting a solution-oriented approach with a roadmap for performance optimization and future enhancements, ensuring your app remains robust and scalable even as traction builds. Let's discuss how we can make your unique ideas of anti-sniping rules, badges, escrow integration come to life and let me turn this vision into an amazing reality together!

@Shrutibimpl

Hello There, You want a high-stakes reverse auction marketplace where buyers set the ceiling and sellers compete to win the contract. 1) How will you handle the payment escrow to ensure the buyer has the funds before sellers start bidding down? 2) Do you want a Buy Now option where a seller can instantly accept the buyer's target price to end the auction? 3) Should the bidding be transparent where all sellers see all bids or blind to encourage more aggressive initial pricing? We will build a platform that turns the traditional power dynamic upside down, creating a race to the bottom that guarantees your buyers the best possible price. By integrating real-time notifications and anti-sniping logic, we keep the energy high and the competition fair, ensuring sellers stay engaged until the final second. This model builds a high-velocity ecosystem where deals are closed fast, providing you with a unique market edge and a scalable revenue stream through transaction fees. I will develop the mobile application using Flutter for a unified iOS and Android experience, backed by a Node.js and PostgreSQL architecture for robust transaction management. I will implement WebSockets for the real-time bidding engine to ensure millisecond-level synchronization across all devices and use Redis to manage the high-frequency state of active countdown timers. Looking for more clarity. Best regards, Bharat Joshi

@nadeemkhan7

Hi, A reverse-auction marketplace flips discovery into urgency: buyers set target prices and countdowns, sellers chase with lower bids. I will deliver a mobile-first, cross-platform app where frictionless sign-in (phone/email/social), live item posts with media and timers, and real-time under-bidding create trust and velocity from day one. Lets connect in chat so that we discuss further. Regards, Mohd Nadeem Khan

@Dliteinformation

As an experienced and results-oriented developer, I am confident that I can design and build an efficient, secure, and user-centric auction platform that will meet and exceed your expectations. With a deep understanding of the tech stack required for this project, including cross-platform frameworks to ensure a smooth mobile-first experience, I am prepared to handle its complexities perfectly. Throughout my career, I've specialized in developing scalable and high-performing solutions using PHP frameworks such as Laravel and CodeIgniter along with cutting-edge technologies like Node.js, AngularJS, and React.js. I've also successfully developed Android and iOS applications incorporating Flutter and React Native. This comprehensive skill set guarantees that I can deliver the seamless real-time updates, push notifications, countdown timer elements you desire. In terms of security and scalability - priority areas for your project - I have consistently implemented robust security measures and have a track record of ensuring smooth performance even as user numbers increase. It would be my pleasure to leverage my skills at Dlite Info Tech to provide you with an innovative app architecture with a roadmap for future enhancements alongside badges, escrow integration ideas to keep the bidding fair and fun. With me on board, you can rest assured all your tech headaches will be transformed into actionable solutions. Let's build something extraordinary together!

@murtuza90

Hi, We can definitely deliver this and have prepared a roadmap for your project. Can we connect to discuss in detail? I carefully read your job description and have strong expertise in building real-time marketplace and auction platforms. With 13+ years of experience, I personally handle projects with my team to deliver scalable, high-performance solutions. We recommend React Native/Flutter, Node.js (NestJS), PostgreSQL, and WebSockets for real-time bidding, secure auth, and push notifications. We understand challenges like real-time under-bidding sync, fairness (anti-sniping), scalability, and secure transactions. Estimated timeline: 5–7 weeks. Looking forward to hearing from you.

@rishi9343

I will build a Target Price Reverse Auction App with secure sign-up and sign-in for buyers and sellers, a buyer dashboard to post wanted items with target prices and optional photos, and a seller interface for live requests and incremental under-bidding, ensuring real-time updates and push notifications, and an admin panel for dispute resolution and analytics, utilizing a mobile-first approach with a suitable tech stack to deliver a smooth and trustworthy experience that can scale.

@arshig8

Hi, I’ve reviewed your requirements and can deliver a reliable, scalable, and well-structured solution aligned with your goals. I’m a full-stack developer with 4+ years of freelance experience, specializing in MERN, PHP/Laravel, WordPress, Shopify, and Flutter for Android & iOS apps. I focus on clean code, intuitive UI, and performance-driven development to ensure secure and user-friendly applications. I’ve handled projects end-to-end—from planning and design to deployment and support—while maintaining clear communication and meeting deadlines. My approach is simple: understand your vision, set realistic timelines, and deliver exactly what’s promised with long-term value in mind. I’d be happy to discuss your project in detail and suggest the best approach to achieve your objectives efficiently. Looking forward to working with you. Best regards, Arshiya

@Andyloredo

The real-time bid updates for both buyers and sellers present a key challenge for a responsive and engaging experience. I've previously developed similar auction systems using PHP for the backend and React Native for a cross-platform mobile front-end, ensuring a performant and scalable solution. I'd propose leveraging Laravel for the PHP backend, providing robust security and a clean architecture, and React Native for the mobile apps to allow for a single codebase targeting both Android and iOS. This approach allows for efficient development and future expansion. Considering the countdown timer functionality for buyer listings, what is the desired level of granularity for the timer (seconds, minutes, hours)?

@abbas021

Hi, I’ve gone through your project description carefully, and I’m confident that I can handle this project efficiently. We are an expert team which have many years of experience on PHP, JavaScript, Mobile App Development, Android, User Interface / IA, Web Development, API Development, User Experience Research Please come over chat and discuss your requirement in a detailed way. Regards