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I’m rebuilding the checkout flow for my online store and need an experienced developer who can deliver a fast, friction-free experience that converts. Here’s what I’m aiming for: a single, streamlined checkout that supports both credit/debit cards (via a gateway such as Stripe or Braintree) and PayPal. Shoppers should be able to glide through as guests, apply promo codes in real time, and see prices automatically adapt to their preferred currency. To keep everything on brand, the form elements must inherit my existing site styles and remain fully responsive on mobile. You’ll wire it into the current e-commerce platform, handle all front-end validation, hook up the server-side calls, and leave me with clear, well-commented code plus a short hand-over video so I can maintain it going forward. Key deliverables: • Fully integrated checkout page (HTML/CSS/JS + back-end hooks) • Payment processing for cards and PayPal, tested in sandbox and live modes • Discount code logic and multi-currency price display • Guest checkout flow with order confirmation email • Documentation and brief walkthrough video I’m ready to start as soon as you can outline your approach, estimated timeline, and any libraries or frameworks you prefer.
Project ID: 40490546
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386 freelancers are bidding on average $23 USD/hour for this job

With over a decade of experience in full-stack architecture and high-scale systems, I understand the importance of delivering a fast and friction-free checkout experience for your online store rebuild project. Your goal of creating a streamlined checkout supporting multiple payment options and seamless user experience aligns perfectly with my background in high-complexity systems and e-commerce development. To ensure scalability and security for your project, I recommend implementing server-side validation for payment processing and utilizing a robust framework like React for front-end development. Drawing from my success in scaling Telegram Mini Apps for over 1 million users, I am confident in my ability to handle the complexities of this project. I encourage you to reach out so we can discuss your project roadmap in detail. I am eager to outline my approach, estimated timeline, and preferred libraries to kickstart this project efficiently. Let's work together to bring your vision to life.
$20 USD in 15 days
8.9
8.9

Hello Would love to discuss the framework and execution plan when you have some time What would be the ideal market you targetting, so can propose a design pattern for the project
$20 USD in 40 days
9.5
9.5

Hi there, We understand you're looking to rebuild your checkout flow for a seamless, fast, and friction-free experience that boosts conversions. You need a single, streamlined checkout supporting credit/debit cards and PayPal, with features like guest checkout, real-time promo code application, and multi-currency price adaptation. At Webbook Studio, we have experience with e-commerce development, including a project for a British online store where we integrated Shopify with ERP systems and implemented payment processing through Stripe. Our team is skilled in JavaScript, HTML, CSS, and API integration, which are crucial for this project. We've also worked on similar checkout flows, ensuring they are responsive and inherit the site's existing styles. We'll deliver a fully integrated checkout page with front-end validation, server-side calls, and clear documentation. Can you tell us more about your current e-commerce platform and any specific design or functional requirements you have for the checkout flow? Feel free to message us to discuss the details! — Webbook Studio
$20 USD in 40 days
9.2
9.2

With extensive experience in e-commerce development, I understand the importance of a seamless checkout process. I can create a fast, responsive checkout flow that supports multiple payment gateways and ensures a user-friendly experience. How do you envision integrating custom promo code features to enhance the checkout experience further? Regards, Yogesh Kumar
$19 USD in 37 days
8.5
8.5

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in JavaScript, Website Design, CSS, HTML, Stripe, Web Development, API Integration, Braintree, PayPal, Payment Processing and other technologies relevant to your project. 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, Sales department Tangram Canada Inc.
$25 USD in 5 days
8.8
8.8

Hi, I can create a fully integrated checkout page that supports both card payments and PayPal, while ensuring your branding shines through with responsive design. My approach will involve using Stripe or Braintree for payment processing, and I’ll implement real-time discount code logic along with multi-currency support. I’ll also ensure all necessary front-end validations are in place and the code is well-commented for easy maintenance. With 10+ years of experience in e-commerce development, I’ve successfully built similar solutions and am confident I can deliver a fast, friction-free checkout that boosts your conversion rates. I’m available to discuss this further and outline my preferred frameworks. Best Regards, Priyanka
$15 USD in 40 days
8.5
8.5

Hello, I will audit your current checkout flow, design and implement a streamlined responsive checkout, integrate Stripe/Braintree and PayPal securely, connect discount and currency logic, handle front-end and server-side validation, and thoroughly test sandbox and live transactions to ensure a seamless customer experience. I have 10+ years of experience developing custom e-commerce solutions, payment gateway integrations, WooCommerce/Shopify/custom checkout systems, and conversion-focused user experiences that improve completion rates while maintaining security and performance. Let’s connect in chat to review your current platform, payment requirements, and checkout architecture so I can propose the best technical approach, timeline, and implementation plan. Thank you Regards Gaurav Garg
$20 USD in 40 days
8.6
8.6

Hi there, I can develop a fast, conversion-optimized single-page checkout with Stripe/Braintree + PayPal integration, guest checkout, promo codes, and multi-currency pricing. I have already built similar high-converting e-commerce checkout systems focused on speed, UX, and payment reliability. My approach: Review your current e-commerce stack and checkout flow Build a responsive, brand-consistent single-page checkout UI Integrate Stripe/Braintree for cards + PayPal express checkout Implement real-time coupon validation and dynamic currency switching Connect backend order processing, validation, and confirmation emails Test thoroughly in sandbox + live mode and optimize performance/security You’ll get clean, well-commented code, smooth mobile-first UI, and a quick handover walkthrough. Questions: What platform are you currently using (Shopify, WooCommerce, or custom Node/PHP backend)? Which currencies and target regions should be prioritized for pricing and payments? I can deliver a working MVP in ~5–7 days depending on your current setup. Let’s get started. Thanks
$15 USD in 40 days
8.4
8.4

Hi, I can rebuild your checkout flow into a fast, high-conversion, single-page experience with smooth payments and clean integration into your current store. What I will deliver: • Streamlined single-page checkout (mobile + desktop optimized) • Stripe/Braintree card payments + PayPal integration • Guest checkout with order confirmation emails • Real-time promo code validation • Multi-currency price handling • Front-end validation + secure backend payment hooks • Fully styled to match your existing website design Approach: Build lightweight checkout UI (HTML/CSS/JS) Integrate payment gateways with secure server-side handling Add discount + currency logic without slowing checkout flow Test sandbox + live transactions end-to-end Ensure responsive, frictionless UX for conversions Outcome: A modern, fast checkout system that improves conversion rates while staying secure, stable, and easy to maintain. Timeline: 3–5 days depending on existing platform setup I can start immediately and deliver a production-ready checkout with full testing. Best regards, M. Rizwan LA
$20 USD in 40 days
8.2
8.2

Hi, I can see the real pain point here: every extra click in checkout quietly leaks revenue. I’ll rebuild this into a clean, single-page flow that feels native to your store, keeps the design on-brand, and removes friction for guests paying by card or PayPal. I’ve built and integrated checkout flows with Stripe, Braintree, PayPal, promo-code logic, and currency switching, including front-end validation, server-side payment hooks, and responsive UI work in HTML/CSS/JS. I’ll wire this into your current e-commerce platform, match your existing styles, and leave well-commented code so maintenance stays simple. 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. I can also include sandbox/live testing, order confirmation email handling, documentation, and a short hand-over video. Which e-commerce platform is the checkout being integrated into, and do you prefer Stripe or Braintree as the primary card gateway? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$15 USD in 46 days
8.2
8.2

Hi — Elias here from Miami. The real challenge here is not just adding payment buttons, but making the checkout fast, secure, and friction-free while keeping discounts, currency display, guest checkout, order confirmation, and backend payment calls in sync. Checkout rebuilds usually fail when frontend validation and server-side payment logic are not handled together. I’d approach this by first reviewing the current ecommerce platform, then building a branded responsive checkout flow with Stripe/Braintree + PayPal, real-time promo code validation, multi-currency display, guest checkout, sandbox/live testing, and clean documentation for future maintenance. I’ve worked on ecommerce checkout flows involving payment gateways, PayPal, Stripe, discount logic, responsive forms, backend hooks, and order confirmation workflows. Q1 – Which ecommerce platform is the current store built on? Q2 – Do you already have Stripe/Braintree and PayPal merchant accounts ready? Q3 – Should multi-currency be display-only, or process payments in the selected currency? Happy to outline the safest approach and timeline after reviewing the current setup. Looking forward to hearing from you.
$50 USD in 40 days
8.2
8.2

Hi, I understand you need a fast, friction-free checkout flow for your online store that supports cards, PayPal, guest checkout, promo codes, and multi-currency pricing. I can build a complete checkout page with fully integrated payment processing (Stripe/Braintree and PayPal), real-time promo code application, multi-currency price updates, guest checkout flow, and order confirmation emails. All form elements will inherit your existing styles and remain fully responsive on mobile. I will use your existing e-commerce platform with HTML, CSS, JS, and back-end integration, implementing clean, well-commented code, front-end validation, and server-side calls to ensure a seamless user experience. The project will include the fully functional checkout page, sandbox and live payment testing, documentation, and a short hand-over video so you can maintain it yourself. Please check out my profile to review my past projects and portfolio: https://www.freelancer.com/u/Hammadhassan21 I am available to start immediately. Ping me to discuss the details and get started. Thanks.
$20 USD in 40 days
7.8
7.8

Hello, I understand you need a fast and optimized checkout flow with smooth user experience and secure payment integration. I can develop: - Custom responsive checkout page matching your existing design - Stripe/Braintree card payments + PayPal integration - Guest checkout flow - Promo code and multi-currency support - Front-end validation and backend integration - Order confirmation emails - Clean documented code and handover guide I can work with your existing eCommerce platform and ensure proper testing in sandbox and live environments.
$20 USD in 40 days
8.0
8.0

Hello, I am available to rebuild your checkout flow into a fast, conversion focused single page experience designed to reduce friction and increase completed purchases. I will implement a fully responsive checkout that integrates Stripe/Braintree for card payments and PayPal as an express option, along with guest checkout, real-time promo code validation, and dynamic multi-currency pricing. The design will seamlessly match your existing brand styles and include robust frontend validation with secure server side payment handling. The solution will be cleanly structured, well documented, and easy for you to maintain, including a short walkthrough of the implementation. Let's connect. Thanks.
$24 USD in 40 days
8.1
8.1

Hi, I can confidently help design a premium, conversion-focused Shopify experience for your fashion brand, with strong attention to mobile-first UX, visual hierarchy, typography, spacing, and product discovery. I understand this role goes beyond visuals — the goal is designing experiences that translate cleanly into a high-performing Shopify storefront, while supporting theme implementation and frontend refinements when needed. I can help with: • Homepage, collection, product, cart & mobile UX design • Premium fashion/lifestyle ecommerce UI in Figma • Improved shopping flow & conversion-focused product pages • Organized, developer-ready Figma files • Shopify Liquid, HTML/CSS & frontend theme adjustments • Responsive styling and UX polish across devices I’m comfortable sharing live ecommerce examples along with matching Figma work to demonstrate how design translated into implementation. Best regards,
$20 USD in 40 days
7.8
7.8

Hello, I can build a streamlined, conversion-focused checkout flow with Stripe/PayPal integration, guest checkout, promo code support, multi-currency pricing, and responsive design that matches your existing brand. I’ll handle both frontend and backend integration, provide clean, well-documented code, thoroughly test sandbox/live payments, and deliver a handover video for easy future maintenance. Best regards,
$25 USD in 40 days
7.2
7.2

Hi, We’ve developed multiple e-commerce platforms with custom checkout flows, including guest checkouts, multi-currency support, and promo code integrations. We also have extensive experience with Stripe and PayPal integrations, ensuring secure and reliable payment processing. For your project, we can use a fully responsive front-end framework like Bootstrap or Tailwind, which allows us to create a mobile-optimized design that matches your existing branding. We can also implement server-side validation to ensure that only valid data is processed. We’re committed to delivering a fast, reliable, and secure solution. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
$22 USD in 40 days
7.2
7.2

INCREASING CONVERSIONS STARTS WITH A FAST, TRUSTED, AND FRICTION-FREE CHECKOUT EXPERIENCE. I am a full-stack developer with 12+ years of experience building and optimizing eCommerce checkout systems, payment integrations, and conversion-focused user experiences. I can rebuild your checkout flow into a streamlined, mobile-first experience that supports guest checkout, real-time discounts, multi-currency pricing, and secure payment processing. ✔ Stripe/Braintree card payments integration ✔ PayPal integration (sandbox & live testing) ✔ Guest checkout workflow ✔ Real-time promo code validation and discounts ✔ Multi-currency price display and calculations ✔ Responsive design matching your existing brand styles ✔ Front-end validation + secure backend processing ✔ Order confirmation email automation ✔ Clean, documented, maintainable code I can start immediately and deliver a modern checkout experience designed to improve completion rates and customer satisfaction.
$15 USD in 40 days
7.3
7.3

Hi I'm more than capable of delivering your prime vision for a seamless and efficient e-commerce checkout. My team and I are highly skilled in API integration, CSS, HTML, and JavaScript, including Stripe and other popular payment gateways you need for airtight security and smooth card/PayPal transaction handling. We have a strong command over the key technical elements your project entails such as clean, MVC-compliant coding which we can employ via Laravel to ensure your checkout is well-suited to your existing ecosystem. Additionally, we are also adept at PHP, working with laravel and codeigniter frameworks to assure effective back-end operations. Could we discuss in details over chat now? Best Regards Techwelfare
$20 USD in 40 days
7.6
7.6

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you rebuild your checkout flow for a seamless customer experience. I understand you're looking for a single, streamlined checkout that supports both credit/debit cards and PayPal, with features like guest checkout, promo codes, and multi-currency price display. My team and I have extensive experience with e-commerce development, including payment integrations with Stripe, Braintree, and PayPal, as seen in our previous projects like the online shop for a Scandinavian fashion brand and a website for a luxury leather retailer. I can deliver a fully integrated checkout page with front-end validation, server-side calls, and clear documentation, ensuring a fast and friction-free experience for your customers. One question: do you have a preferred JavaScript framework or library in mind for this project, or would you like me to suggest some options based on your existing tech stack? Feel free to message me to discuss the details! — Markiyan
$20 USD in 40 days
6.9
6.9

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