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I’m launching a price-comparison website for used-device buy-back offers and need both the public-facing site and a lightweight admin area built from scratch. Public experience Users arrive, choose their device from a master catalogue, see real-time offers pulled from multiple partners, enter their email, and are forwarded through our affiliate links. The flow must record every click and completed lead so commission can be attributed accurately. The interface has to be lightning-fast, fully responsive on desktop, mobile and tablet, and follow SEO best practices to compete with benchmarks like CompareAndRecycle, SellMyMobile and Flipsy. Content layer I’ll be publishing comparison guides and industry news. A simple CMS or well-structured headless solution that lets me create, schedule and optimise articles (meta tags, schema, AMP if helpful) is required. Integrations • Email collection services – any mainstream provider is fine as long as you wire up the API for single-opt-in capture and tagging. • Affiliate tracking systems – UTM parameters plus a pixel or server-side postback to log conversions. • Pricing feed aggregators – partner XML/CSV/JSON feeds imported, normalised and cached on our end before displaying. Admin panel Behind the scenes I need to: • Upload or schedule partner feeds, map their SKUs to our master catalogue and set fallback rules. • View, filter and export lead/commission stats by partner, model or date. • Manually edit catalogue items and partner offer copy when required. Deliverables 1. Responsive front end built with a modern stack you’re comfortable supporting. 2. Feed ingestion layer with mapping logic and cron/queue for updates. 3. Affiliate & email tracking hooks fully tested. 4. Admin dashboard covering feed management, catalogue editing and reporting. 5. Documentation and brief hand-off session so I can maintain basic tasks myself. Performance & quality Core Web Vitals must stay in the green on mobile, and pages should render under 1 s on a typical 4G connection. Code should be clean, commented and pushed to a private repo I’ll provide. Mention any relevant projects, preferred frameworks, and how you’d structure milestones when you respond.
Project ID: 40663060
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186 freelancers are bidding on average $2,062 USD for this job

Hello, ✅ You’re not just building a comparison site — you need a fast, SEO-ready resale platform with accurate affiliate attribution, reliable feed normalisation, and an admin that makes catalogue/feed management simple. We’ve been building PHP/backend systems for 8+ years with Laravel, Symfony, and Node. We've shipped 100+ Laravel/Symfony/Node backends — APIs, payment integrations, CRMs, SaaS. Top Rated on Freelancer, long-term partnerships with multiple SaaS clients. For your build, I’d suggest a Laravel-based backend with queued feed imports, SKU mapping logic, cached offer reads, server-side conversion tracking, and a lightweight CMS/admin for guides, meta/schema, reporting, and manual catalogue edits. The frontend can be tuned for Core Web Vitals and sub-1s render targets on mobile 4G. Two quick backend questions: 1. Do your pricing partners already expose consistent XML/CSV/JSON schemas, or should we expect custom field mapping + deduping/fallback rules per feed? 2. For conversion attribution, do you want server-side postback as the primary source of truth, with pixel/UTM tracking as backup, or does each affiliate network have its own required flow? Happy to dive into the API spec, milestone structure, and recommend the cleanest stack for long-term support — message me. Please let me know your thoughts. Looking forward, Roman
$1,650 USD in 7 days
10.0
10.0

Hi there, We understand you're looking to build a price-comparison website for used-device buy-back offers, including a public-facing site and a lightweight admin area, with a focus on real-time offers, affiliate links, and SEO best practices. Our team at Webbook Studio has experience with similar projects, such as building a website for an electric bike company and a luxury leather retailer, both using PHP and custom design. We're comfortable working with modern stacks like React, Node.js, and MySQL, and have expertise in API integrations, including email collection services and affiliate tracking systems. We'll deliver a responsive front end, a feed ingestion layer, affiliate and email tracking hooks, an admin dashboard, and documentation for maintenance. One question: Would you prefer a headless CMS solution like WordPress with a custom frontend, or a custom-built CMS to manage your comparison guides and industry news? Feel free to message us to discuss the details! — Webbook Studio
$1,550 USD in 30 days
9.3
9.3

I propose creating a high-performance price-comparison website for you. It will feature fast loading times, full responsiveness, and SEO optimization to boost user engagement and conversions. The site will be easy to manage with a user-friendly CMS, affiliate link integration, and efficient email collection services. By setting up affiliate tracking systems and price feed aggregators, we ensure accurate commission attribution and real-time price updates. The admin panel will offer feed management, catalog editing, and reporting functionalities for full control over content and partner offers. We will prioritize performance, quality, and Core Web Vitals while delivering clean, well-commented code through a structured milestone approach. Ongoing support, enhancements, and proactive optimizations will be provided post-launch to drive the success of your platform.
$2,700 USD in 5 days
8.9
8.9

Hi — Elias here from Miami. I see you’re building a price-comparison website for used-device buy-back offers. This project can streamline consumer choices in a competitive market. A common challenge in platforms like this is ensuring reliable integrations with multiple buy-back APIs. The tricky part is managing the dynamic nature of pricing and maintaining accurate comparisons in real-time. Scalability becomes crucial as user traffic grows and more offers are added. To tackle these challenges, I would prioritize a solid architecture that supports seamless API integrations and efficient data handling. A robust backend is essential to handle increased load without compromising performance. Implementing caching strategies can enhance response times while keeping database interactions efficient. I have worked on similar platforms requiring extensive API integrations and data management, which helps me foresee potential pitfalls and design accordingly. A few questions to better understand the scope: Q1 – What user roles do you envision for the platform, especially concerning admin workflows? Q2 – Are there specific payment gateways or affiliate structures you plan to implement? Q3 – How do you foresee handling product categorization and customization for users? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$2,500 USD in 10 days
8.6
8.6

Hi, When partner feeds update, how often do you need the catalogue refreshed — hourly, daily, or on-demand? That'll shape whether we go with scheduled imports or real-time syncing, and it matters for your infrastructure costs. We've built marketplace platforms with live data feeds and affiliate tracking before, so the core pieces are familiar ground. The budget and timeline shown here are just a starting point — once we nail down feed frequency and how many partners you're launching with, I'll send you actual numbers. Regards, Nurul Hasan
$2,100 USD in 30 days
8.8
8.8

Hello! We have extensive experience building custom web platforms with React, Python/FastAPI, APIs, data processing, affiliate integrations and administration panels. We can build the complete device comparison flow, including partner feed ingestion and normalization, real-time offer display, email capture, affiliate tracking, conversion attribution and catalogue management. We would structure the project in clear milestones: architecture and UI, public comparison flow, feed integrations and automated updates, tracking, admin dashboard and finally SEO, performance optimization, QA and handover. We’ll focus on clean architecture, fast mobile performance and Core Web Vitals from the beginning, while keeping the system easy to maintain and extend. We’d be happy to discuss the partner feed formats, tracking requirements and preferred stack, and define the first milestone together. We can also work directly in your private repository and provide documentation and a brief hand-off session. 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, Kateryna Sales department Tangram Canada Inc.
$1,850 USD in 7 days
9.0
9.0

Hi, I can see the hidden challenge here: you need a comparison engine that feels instant to users, while quietly tracking every lead, click, and commission accurately. I’ve built similar PHP/MySQL and Laravel-based platforms with responsive front ends, admin dashboards, feed imports, affiliate tracking hooks, and SEO-friendly CMS structures. For your project, I’d structure the platform around a fast catalog search flow, cached feed ingestion with SKU mapping, and a clean admin area for managing offers, partners, and reporting. I’d also make sure Core Web Vitals stay strong with lean templates, optimized queries, and careful asset loading. 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. If you’d like, I can break this into milestones for front end, feed pipeline, tracking, and admin/reporting so everything stays clear and manageable. Would you like the comparison data to be refreshed on a fixed cron schedule, or updated near-real-time when partner feeds change? Thanks, Asad
$1,500 USD in 30 days
8.4
8.4

Your project is well thought out, and that helps a lot because the core pieces are already defined: pricing feeds, catalogue mapping, conversion tracking, reporting, and a fast responsive frontend. For this kind of comparison platform, I’d structure it with a clean custom backend, scheduled imports, normalized offer storage, and an easy admin area for feed control and stats export. SEO, speed, and maintainability would be priorities from the beginning rather than being patched in later. If you want, I can also outline a practical milestone plan once we start.
$1,500 USD in 28 days
8.2
8.2

Building a lightning-fast price-comparison platform that can compete with benchmarks like CompareAndRecycle, SellMyMobile, and Flipsy requires a robust feed ingestion layer and precise affiliate tracking. I can build this entire system from scratch, handling the XML/CSV/JSON feed normalisation, master catalogue mapping, and real-time partner offer rendering. My core stack includes HTML, CSS, PHP, JavaScript, and jQuery, allowing me to build custom solutions rather than relying on bloated templates. For the data layer, I will implement a reliable caching system to ensure pages render under 1 second on a 4G connection, keeping your Core Web Vitals strictly in the green. I'll also wire up the API for email collection services like Mailchimp, set up your UTM parameters and server-side postback tracking, and build the lightweight admin dashboard for feed management and reporting. My bid is $2011.31 with a realistic delivery time of 21 days for this scope. Let's discuss the master catalogue structure and your preferred partner feed formats to kick things off.
$2,011.31 USD in 1 day
8.1
8.1

Dear Sir, I suggest making this website in HTML5 and CSS with a mobile responsive design that is appealing and most SEO friendly. For backend, I would recommend using PHP and MySQL custom built solution for you, that would be easy to update anytime in future. I am ready to start this Price comparison website for you today!
$2,200 USD in 20 days
8.5
8.5

⭐⭐⭐⭐⭐ Build a Price-Comparison Website for Used Devices with Admin Area ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for a price-comparison website for used-device buy-back offers. You don't need to look any further; Zohaib is here to help! My team has successfully completed 50+ similar projects for web development. I will build a user-friendly site that pulls real-time offers, records leads accurately, and ensures a fast, responsive experience across all devices. ➡️ Why Me? I can easily create your price-comparison website as I have 5 years of experience in web development, specializing in responsive design, API integration, and CMS solutions. My expertise includes working with databases, optimizing performance, and ensuring SEO best practices. I have a strong grip on modern frameworks and technologies to ensure your project meets all requirements. ➡️ Let's have a quick chat to discuss your project in detail and I can show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ Web Development ✅ API Integration ✅ Responsive Design ✅ CMS Solutions ✅ SEO Optimization ✅ Database Management ✅ Performance Tuning ✅ Data Analytics ✅ User Experience Design ✅ Affiliate Marketing ✅ Frontend Technologies ✅ Backend Development Waiting for your response! Best Regards, Zohaib
$1,800 USD in 2 days
7.8
7.8

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) with 15 years of experience building PHP websites, API integrations, SEO-friendly platforms, and custom web apps. I read your project description carefully, and I understand the main goal is to build a resale price comparison platform that compares used-device buy-back offers, supports a public-facing experience, and is easy for you to manage behind the scenes. That’s the kind of project I like because the details really matter. My plan would be: 1. Define the public comparison flow and admin/CMS needs 2. Build the database for devices, offers, and vendors 3. Integrate pricing sources through APIs or import tools 4. Create a clean, fast, mobile-friendly UI 5. Optimize for SEO and test everything thoroughly I’ve built similar comparison, affiliate, and listing sites before, and I know how to make them practical, maintainable, and business-focused. Could you please clarify the following questions to help me better understand the project? 1. Will pricing data come from APIs, CSV/imports, manual entry, or all three? 2. Do you need a full admin panel for managing vendors and offer rankings? 3. Is SEO a priority from launch, including indexable category pages and structured data? If you want someone who truly pays attention to the requirements and can deliver this properly, I’d be glad to discuss it further. -James
$2,400 USD in 9 days
7.2
7.2

Your project requires a robust price-comparison website for used-device buy-back offers with a keen focus on real-time data integration and accurate affiliate tracking. I would build the public-facing site using React for a fast, responsive UI, integrating with pricing feed APIs to dynamically display offers. The admin area would be built using Node.js and Express, allowing you to upload partner feeds, manage SKUs, and track commission efficiently. My skills include Node.js, React, and third-party API integrations, which are essential for your project. I have a 4.9-star rating across 200 client reviews and 220 projects completed, demonstrating my commitment to quality work. What specific features or functionalities do you envision for the admin dashboard?
$2,550 USD in 20 days
7.5
7.5

Hello there, A price-comparison platform like this needs to make complex partner data feel simple for users while accurately tracking every lead and commission behind the scenes. I can build the public comparison experience and lightweight admin system from scratch, with a fast device-selection flow, normalized real-time offers, affiliate tracking, email capture, and a mobile-first interface designed around SEO and conversions. I’ll build the feed ingestion and mapping layer for XML/CSV/JSON partner feeds, including caching, scheduled updates, SKU mapping, and fallback rules. The admin dashboard will cover catalogue and offer management, feed controls, and lead/commission reporting, while the content system will support comparison guides and news with SEO metadata and structured data. I’ll also focus heavily on Core Web Vitals and fast rendering, with clean documented code pushed to your private repository. Here is my portfolio: https://www.freelancer.in/u/sainiji92 Let’s connect in chat and I can map out the feed, comparison, tracking, and admin architecture before development begins. Regards, Pankaj
$1,500 USD in 7 days
6.9
6.9

Hi, Mateo here, from Toronto, to help you. A price-comparison platform only competes with the likes of CompareAndRecycle if partner feeds refresh reliably in the background, since a stale offer showing the wrong price is what actually kills conversion, not the design. You mentioned partner XML/CSV/JSON feeds needing normalisation and caching, so I'd build the ingestion layer around a queue with clear fallback rules first, so a broken or delayed partner feed degrades gracefully instead of showing outdated or missing offers on the public site. I'd build the front end for speed and Core Web Vitals compliance, wire up affiliate click/lead tracking with UTM and server-side postback, set up single-opt-in email capture, and build the admin panel for feed management, catalogue editing and commission reporting, all documented for handover. Do you already have partner feed access and API documentation lined up, or is that still being negotiated alongside the build? Looking forward to working with you.
$2,400 USD in 20 days
6.3
6.3

Hi,I’d build this with Laravel/MySQL for the feed ingestion, catalogue, tracking and admin layer, paired with a fast responsive frontend. Partner XML/CSV/JSON feeds would be normalized into a master catalogue with scheduled imports, SKU mapping and caching, while affiliate clicks/leads are tracked separately for accurate reporting.I’d structure delivery into milestones: catalogue + frontend, partner feed engine, affiliate/email tracking, admin/reporting, then performance/SEO testing and deployment. The architecture will be designed so additional partners and feeds can be added without rebuilding the core system.
$2,250 USD in 7 days
6.4
6.4

Combining my vast expertise in web development, API integration, and SEO, I am fully equipped to create a robust Resale Price Comparison Platform that precisely meets your unique needs. Having worked with APIs, including XML/CSV/JSON feed importation, I will ensure that the platform aggregates pricing feeds accurately and efficiently. One of my exceptional attributes is my ability to give attention to every detail, which perfectly suits your project's requirement. I can proficiently translate your UI/UX designs into responsive interfaces that render under 1 second on a typical 4G connection. Moreover, my mastery of core web vitals ensures pages abide by the green zone standards even on mobile, giving you an edge over competitors. Meticulous documentation and a thorough hand-off session are assured so you can confidently maintain basic tasks yourself. With a user-friendly CMS or well-structured headless solution for content creation and scheduling at your disposal, publishing comparison guides and industry news becomes hassle-free. Trust me to deliver beyond expectations through an amalgamation of optimum performance and top-notch quality in all milestones of this project.
$1,500 USD in 10 days
6.4
6.4

Hello, Are you open to using PHP for both the public site and admin area? Would you prefer a specific CMS or are you open to suggestions for a headless solution? Exciting project to build this platform! To create an efficient experience, I'll ensure the frontend is ultra-responsive and follows top-notch SEO practices. Managing diverse data feeds can be tricky, but I’ll handle it by setting up a robust system to normalize and cache partner feeds smoothly. I'll share past work examples in the chat. Let's discuss the timeline and costs in detail over a chat after reviewing the specifics. I’m eager to dive into this project with you. Feel free to message me anytime to set up a quick chat or call.
$1,500 USD in 12 days
6.0
6.0

As a seasoned web developer and graphic designer, I'm equipped with the right skills to create your resale price comparison platform. With over 5 years of experience in the industry – working alongside top-tier companies globally, including Fortune 100 members – I've gathered immense expertise in web development using platforms like WordPress, Shopify, Wix and Squarespace. As such, building both your website and admin area from scratch will be a breeze. Reliability is key when it comes to marketplaces like yours. My mantra has always been to amplify my clients' brand presence, turning their online businesses into real successes – which aligns perfectly with the core objectives of your project. I understand that users need real-time information on device prices and seamless navigation through your affiliate links, while you require reliable tracking and management systems for commission attribution. Be assured - every click will be recorded accurately. Mentioning core web vitals and rendering speeds in your project description highlights your emphasis on performance and quality. It's a priority I share – all my codes are clean, commented, and designed to operate flawlessly even under pressure. Additionally, I have an extensive experience working on projects requiring Affiliate tracking systems like yours, making me adept at integrating UTM parameters and providing crisp data logging for real-time updates.
$2,250 USD in 1 day
6.0
6.0

Absolutely, this resale price comparison platform is a great fit for a custom software build from the ground up. I’ll deliver a fast, responsive public website plus a lightweight admin that handles feed ingestion, mapping, tracking, and reporting. Approach - Public flow: device selection from a master catalogue, real-time offer rendering from partner feeds, and lead capture wired for accurate attribution through affiliate parameters. - Performance/SEO: Core Web Vitals-focused implementation, server-side rendering where appropriate, clean meta/schema, and mobile-first UX targeting sub-1s render on typical 4G. - Content layer: simple CMS or headless architecture for guide/news creation, scheduling, schema/metadata automation, and optimisation workflows. - Integrations: email single-opt-in API wiring with tagging, plus affiliate conversion logging via UTM + pixel or server-side postback. All hooks will be fully tested. Admin - Partner feed upload/scheduling, SKU mapping to catalogue, fallback rules, and cron/queue-driven updates. - Lead/commission stats filtering and export by partner, model, and date. - Catalogue and offer copy editing tools. Milestones 1) Architecture + data model + tracking plan 2) Public UI + catalogue + offer display 3) Feed ingestion + mapping + caching 4) Admin dashboard + reporting exports 5) Integration QA, performance pass, docs & hand-off
$1,500 USD in 3 days
5.4
5.4

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