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My site is a hand-coded HTML/CSS brochure that now needs full e-commerce capability. I want visitors to be able to browse a catalogue with clear product thumbnails, see real-time prices, add items to a shopping cart, search the catalogue quickly, and complete their purchase in a seamless checkout flow. Key points I need you to handle: • Build the product database and front-end listings so I can add, edit or retire items without touching code. • Implement an intuitive product search that feels instant and recognises partial matches. • Create a persistent shopping cart that updates quantities, subtotals and tax/shipping calculations on the fly. • Develop a custom payment gateway integration (API docs supplied after hire) so customers pay without being redirected off-site. • Return customers to an order-confirmation page and trigger confirmation emails to both buyer and admin. My existing pages must retain their current look and responsive behaviour, so your code should slot in cleanly or be delivered as modular components I can drop into place. I’m comfortable reviewing HTML/CSS but will rely on you for the backend logic, security best practices and basic documentation on how to manage products and view orders. If you’ve transformed static sites into fully fledged stores before, especially using vanilla PHP, Node, or similar lightweight stacks, let me see a live example. Deliverables are the working code, a brief setup guide, and a short hand-off call to walk me through the admin pieces.
Project ID: 40584846
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333 freelancers are bidding on average $456 USD for this job

I’ve worked on static-to-store conversions before, and your brief is clear enough to see the main moving parts: catalog management, fast search, cart logic, checkout, custom gateway API, and order emails. Since your site is already hand-coded, I’d build this as clean modular components so the current look/responsiveness stays intact. I can also provide a short setup guide so managing products and orders is straightforward for you after handoff. If you want, I can share a relevant example once we connect.
$500 USD in 7 days
9.7
9.7

Hello, I have carefully read your complete requirements, and it would be an honor to work with you. With 14+ years of experience in full-stack development, eCommerce solutions, PHP, Node.js, and custom payment gateway integrations, I can transform your existing HTML/CSS website into a secure, fast, and fully functional online store while preserving its current design. I will build a product management system, instant search, persistent shopping cart, custom checkout with your payment API, order management, and email notifications, along with clear documentation for easy administration. Please check my profile to see my reviews and ratings from previous clients. I can also share similar eCommerce projects during our discussion. I am committed to delivering a scalable, production-ready solution with thorough testing and post-launch support. Budget and timeline can be discussed further. Warm regards, Harpreet Singh
$250 USD in 5 days
9.5
9.5

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need to transform your hand-coded HTML/CSS brochure into a fully functional e-commerce site. Your project goal of adding e-commerce capability, including product browsing, real-time pricing, seamless checkout flow, and a custom payment gateway integration, aligns perfectly with my background in high-complexity systems such as handling over 1 million users on Telegram Mini Apps. For your project, I recommend implementing a modular component approach to ensure seamless integration with your existing pages while still delivering the desired e-commerce functionality. My experience in building custom payment gateways and managing product databases will ensure a secure and efficient solution for your site. I encourage you to contact me to discuss the roadmap for your project and how we can work together to achieve your e-commerce goals within your budget and timeframe. Let's connect to bring your vision to life.
$600 USD in 20 days
9.0
9.0

Hi, I can transform your existing HTML/CSS website into a fully functional e-commerce platform while preserving its current design and responsive layout. I'll build a secure backend with product management, searchable catalog, persistent shopping cart, real-time pricing, tax/shipping calculations, custom payment gateway integration, order confirmation, and email notifications. The solution will be modular, well-documented, and easy to maintain so you can manage products and orders without editing code. I have experience converting static websites into dynamic e-commerce systems using lightweight technologies such as PHP and custom integrations, with a strong focus on performance, security, and clean code. Thanks, Muhammad Faraz
$550 USD in 10 days
9.1
9.1

Hi there, We understand you need to add full e-commerce functionality to your existing hand-coded HTML/CSS brochure site, including a product database, search, shopping cart, and custom payment gateway integration. Our team at Webbook Studio has experience with similar projects, such as developing an online shop for a Scandinavian fashion brand using WooCommerce and custom PHP design. We're skilled in PHP, JavaScript, CSS, MySQL, and API integration, which are key to delivering your requirements. We'll provide a modular solution that integrates seamlessly with your existing site, ensuring it remains responsive and retains its current look. One question: Are there any specific security or compliance requirements we should be aware of when implementing the payment gateway and handling customer data? Feel free to message us to discuss the details! — Webbook Studio
$480 USD in 10 days
9.2
9.2

Hi, since your site is hand-coded HTML/CSS right now, I'd wrap the product listings in a small admin panel (PHP + MySQL) so you can add or retire items yourself without touching the code, then layer the cart and search on top as components that slot into your existing pages without breaking the responsive layout. For the payment piece, once you share the API docs I can build the integration so checkout stays on-site instead of redirecting out, plus the order confirmation page and email triggers for you and the buyer. We're a small team that's done a few of these static-to-store conversions over the years, mostly on PHP/Node stacks, happy to show you one on a quick call. Can also do a short scoped demo first, like the search or cart working on a sample page, so you can see the approach before committing to the full build. What's the current stack the site runs on, plain PHP or something else?
$562.50 USD in 5 days
8.8
8.8

Proposing to transform your brochure site into an e-commerce platform by integrating modular components for essential functionalities. Utilizing lightweight stacks like Node.js or vanilla PHP for scalability and efficiency. Enhancements include a dynamic product database, instant search, persistent shopping cart, custom payment gateway, and user-friendly front-end interface. Deliverables will include working code, setup guide, and knowledge transfer session for seamless integration. Excited to collaborate and exceed your e-commerce objectives.
$675 USD in 5 days
8.8
8.8

Thank you for the detailed brief! I'd be happy to transform your existing HTML/CSS brochure website into a fully functional e-commerce platform while preserving its current design and responsive behavior. Before I prepare a final proposal, could you please share your website URL, the approximate number of products, and your preferred backend technology (PHP, Node.js, or another lightweight stack)? Will the product catalog include categories, product variants, inventory management, and discount codes? I'd also appreciate any details about the custom payment gateway and hosting environment. I'll build a secure admin panel for managing products and orders, implement fast search, a persistent shopping cart with dynamic totals, integrate your payment API, configure automated order confirmation emails, and provide complete documentation along with a walkthrough to ensure you can manage the store confidently.
$390 USD in 4 days
9.1
9.1

Hi there, I see you're looking to transform your static brochure website into a dynamic e-commerce platform. Here's how I can assist you: 1. I will integrate an intuitive product catalog where your visitors can effortlessly browse categories with clear, high-resolution thumbnails. 2. By using a combination of HTML, CSS, and JavaScript, the design will be both attractive and responsive across all devices. 3. For real-time pricing updates, I'll implement efficient API integrations that ensure your customers always see up-to-date information. 4. Adding items to a shopping cart will be seamless and straightforward with the use of Node.js for a smooth backend. 5. I'll ensure secure and stable transactions, employing MySQL for robust database management and PHP for efficient server-side scripting. This well-rounded approach will turn your brochure site into a fully functional e-commerce platform, providing your customers with an excellent shopping experience. Best Regards, Khorshed Alam, RS Software
$525 USD in 7 days
9.6
9.6

Hi — Elias here from Miami. I understand you’re looking to add e-commerce capabilities to your existing HTML/CSS site. The goal is to enhance user engagement and drive sales effectively. What usually matters most here is ensuring a smooth transition from a brochure site to a fully functional e-commerce platform. A common issue in projects like this is managing the complexity of integrating secure payment gateways while providing a seamless user experience. The tricky part is usually handling database management and API integrations to maintain performance and reliability. I recommend structuring the backend to optimize for scalability and ease of maintenance, ensuring that future enhancements can be handled without major overhauls. I have worked on similar e-commerce integrations, successfully transforming static sites into dynamic platforms. This experience allows me to foresee potential pitfalls and address them proactively. A few questions to better understand the scope: Q1 – What specific e-commerce features are you looking to implement (e.g., product categories, payment methods)? Q2 – Do you have any preferred platforms or technologies for the backend? Q3 – How do you envision handling user authentication and permissions? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 5 days
8.6
8.6

Hey, I will turn your hand-coded HTML/CSS site into a working store: product catalog with thumbnails, instant partial-match search, persistent cart with live tax/shipping math, and on-site checkout using your custom payment gateway API. Everything delivered as modular components that drop into your existing pages without breaking the current layout or responsive behavior. On a similar static-to-store conversion, building the admin panel as a simple CRUD interface meant the client was adding products confidently within 10 minutes of the hand-off call. Questions: 1) Roughly how many products will launch on day one? 2) Do you have a preference between vanilla PHP or Node for the backend? Share your current site URL and the gateway API docs, and I will map out the component structure this week. Looking forward to your response. Best regards, Kamran
$281 USD in 10 days
8.7
8.7

Hello, Hope you are doing well, I'll build a clean, modular solution using a lightweight stack (PHP/MySQL or Node.js, depending on your preference), ensuring your existing frontend remains intact while delivering a scalable, secure, and easy-to-manage eCommerce system. With 10+ years of experience in custom web application and eCommerce development, I can deliver a reliable, production-ready solution. Let's chat and discuss your project in detail! thank you Regards Gaurav Garg
$500 USD in 7 days
8.7
8.7

Hi, I've built full e-commerce systems from scratch on top of hand-coded sites using vanilla PHP and Node.js for over 20 years, including 1,500+ delivered projects, so this is straightforward. I'll add a lightweight backend to manage your product catalogue in MySQL, expose a simple admin interface for adding products and viewing orders, and keep your existing HTML/CSS structure intact by injecting modular components. The search will run client-side against the product database for instant partial matches, the cart will persist via local storage and recalculate tax/shipping in real time, and the custom payment API will process transactions on your domain without redirects. I'll include a basic setup guide and a 30-minute handoff to explain product management and order review. I can start immediately.
$400 USD in 4 days
8.2
8.2

Thank you for considering me, Shujaat, for your project. With my extensive experience in e-commerce development on platforms like WordPress, Magento, and Shopify combined with my proficiency in HTML, JavaScript, MySQL and PHP, I am confident that I can deliver a seamless e-commerce solution tailored to your needs. In terms of your specific requirements, I’m well-versed in building and managing product databases using intuitive front-end interfaces as well as implementing instant product search functionalities. As a developer who understands the importance of clean code and modular components, I’ll make sure that your existing pages retain their current look while ensuring the smooth functioning of the e-commerce features. Regarding payment integration, I have successfully integrated various payment gateways into different platforms, so developing a custom payment gateway integration for a seamless checkout flow won’t be an issue. My work will also include returning customers to an order-confirmation page and triggering confirmation emails – streamlining the buyer's journey and enhancing admin visibility.
$500 USD in 7 days
8.2
8.2

Hello, I can transform your existing **HTML/CSS brochure website** into a fully functional e-commerce store while preserving its current design, responsiveness, and user experience. The solution will include: * A secure product management system to add, edit, or remove products without modifying code. * Fast product search with partial keyword matching. * A persistent shopping cart with live quantity updates, tax, shipping, and subtotal calculations. * Integration of your **custom payment gateway API** for a seamless on-site checkout experience. * Order confirmation pages, automated email notifications for both customers and administrators, and an admin panel to manage products and orders. I'll build the backend using a lightweight, maintainable stack (PHP or Node.js, based on your preference), keeping the code modular so it integrates cleanly with your existing website. You'll also receive complete source code, setup documentation, and a hand-off session explaining product management and order processing. **Best regards,** **Muhammad Rizwan LA**
$250 USD in 2 days
8.3
8.3

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Lets connect in chat so that We discuss further. With Regards, Sai
$250 USD in 5 days
7.8
7.8

Greetings! I bring 8+ years of experience, serving 100+ clients, specializing in e-commerce solutions. To integrate e-commerce into your site, I'll build a product database and front-end listings, implement intuitive product search, and create a persistent shopping cart. Please message me to discuss your project and review my portfolio. I'm here to help you achieve your goals. Looking forward to collaborating with you! Best regards, M H B
$550 USD in 14 days
7.8
7.8

⭐⭐⭐⭐⭐ Create a Full E-Commerce Experience for Your HTML/CSS Site ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for a complete e-commerce solution. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed over 50 similar projects for e-commerce development. I will build an efficient product database, create intuitive search features, and ensure a seamless checkout experience. ➡️ Why Me? I can easily develop your e-commerce site as I have 5 years of experience in web development, focusing on e-commerce solutions, database management, and user-friendly interfaces. My expertise includes HTML, CSS, PHP, and Node.js, ensuring a smooth project flow. I also have a strong grip on backend logic and security best practices. ➡️ 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 connecting with you! ➡️ Skills & Experience: ✅ HTML/CSS ✅ PHP ✅ Node.js ✅ E-commerce Development ✅ Database Management ✅ User Interface Design ✅ Payment Gateway Integration ✅ Responsive Design ✅ API Integration ✅ Shopping Cart Development ✅ Security Best Practices ✅ Documentation Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.9
7.9

Turning a static brochure into a secure store without disrupting its current design requires more than adding a cart—the product data, checkout, payment flow, and order handling must work as one reliable system. I’ll convert your existing HTML/CSS site into a maintainable e-commerce platform while preserving its current look and responsiveness. ⭐ I have 10+ years of experience in PHP, JavaScript, MySQL, Node.js, API integrations, custom checkout systems, and secure e-commerce development. ⭐ I can share relevant static-to-e-commerce work samples during our discussion. You’ll get: • Product database and admin controls • Product catalogue with image thumbnails • Fast partial-match catalogue search • Persistent cart with live totals • Tax and shipping calculations • Custom on-site payment integration • Order confirmation page • Buyer and admin email alerts • Existing HTML/CSS design fully preserved • Setup guide and hand-off support I’ll keep the new commerce layer modular, so products and orders can be managed without editing code and future updates remain straightforward. After reviewing the payment API, product count, and hosting environment, I'll confirm a realistic delivery schedule for development, testing, and deployment. Which payment gateway will be integrated, approximately how many products will be available at launch, and does the API support tokenized or hosted card fields? Best regards, Einnovention
$500 USD in 7 days
8.0
8.0

Because you want your hand-coded pages to keep their exact look, I'd add the store as a lightweight backend behind your existing HTML/CSS rather than dropping in a bulky platform that would force a redesign — your markup stays, I just wire it to live data. My approach: a PHP (or Node) backend with a MySQL product database and a simple admin panel so you add, edit or retire items without touching code; product listings and prices rendered from that database into your current styling; instant search with partial-match support; and a persistent cart (session-based, surviving page loads) that recalculates quantities, subtotals, tax and shipping on the fly. The custom gateway I'll integrate server-side from your API docs so customers pay on-site without redirect, then land on an order-confirmation page with confirmation emails firing to both buyer and admin. Security handled properly — server-side validation, sanitised inputs, no card data touching your server. You get modular code, a setup guide, and the hand-off call. I can start right away.
$250 USD in 1 day
7.6
7.6

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