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I’m putting together the foundation of a small e-commerce web app and need a developer who can move quickly while keeping security top of mind. First, I need a clean login and registration flow that supports two-factor authentication (2FA). Users should enter their email and password, receive a verification code, and only then gain access. Session handling, password resets, and role-based access (admin vs. customer) must be covered so future dashboards can hook right in. The home page should load fast and showcase featured items with basic “save for later” button already wired. From there, shoppers must be able to refine what they see with a categories filter that works on: • Product types • Price ranges • Location range Filters should combine smoothly (e.g., “Electronics under $50 within 10 km”) without page reloads—AJAX or similar is fine as long as it feels instantaneous. For checkout, integrate PayPal end-to-end: client-side SDK, server-side validation, webhooks for payment confirmation, and a simple success/failure callback that I can style later. Sandbox first, then flip to live keys once testing is solid. Deliverables 1. Source code (Git repository) with setup instructions 2. Responsive login/registration screens with 2FA enabled 3. Home page with functioning cart stubs and the multi-criteria filter 4. PayPal payment flow, tested and documented 5. Brief readme outlining configuration, 2FA secret management, and how to extend categories I’ll handle final UI polish; what I need from you is secure, maintainable, and well-commented code ready for production scaling.
Project ID: 40728616
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Active 5 days ago
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92 freelancers are bidding on average ₹9,140 INR for this job

Hi, I can build the secure e-commerce foundation you described with clean, maintainable code and a focus on production-ready security. With 10+ years of full-stack experience, I can handle: * Secure login/registration with 2FA, sessions, password reset and role-based access * Fast responsive homepage with featured products and save-for-later/cart stubs * AJAX-based combined filtering by category, price and location radius * Complete PayPal integration with client SDK, server-side validation, webhooks and sandbox testing * Secure configuration and 2FA secret management * Git repository, setup documentation and clear README I’ll keep the architecture scalable so your future dashboards and e-commerce features can be added without rebuilding the core system. Ready to start and deliver a clean, well-documented foundation. Regards, DSV Infosolutions Pvt Ltd
₹75,000 INR in 10 days
8.5
8.5

Hi, I checked your "Build Secure E-Commerce Core Features" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹7,500 INR in 4 days
7.6
7.6

Hello, I can build a secure, scalable e-commerce foundation with a clean authentication and registration flow, robust 2FA, password reset, session handling, and role-based access for admins and customers. I will implement a fast product homepage with save-for-later, responsive filtering by category, price, and location using AJAX for a smooth experience. I can also integrate PayPal end-to-end with secure server-side validation, webhooks, sandbox testing, and a reliable success/failure callback. I focus on clean architecture, security best practices, thorough testing, and clear communication, and I am ready to begin immediately.
₹7,000 INR in 7 days
7.3
7.3

Hi there, I can build a secure, lightweight e-commerce foundation featuring 2FA authentication, instantaneous AJAX multi-criteria filtering (type, price, location radius), and an end-to-end PayPal integration with server-side validation. Whether built using PHP/MySQL (Laravel/Custom) or Node.js/Vue.js, the code will follow strict security standards (hashed passwords, CSRF protection, sanitized SQL, and JWT/session management) designed for easy scaling and clean developer hand-off. 1. Core Architectural & Technical Execution Authentication & Role-Based Security (2FA) Instantaneous Multi-Criteria AJAX Filtering End-to-End PayPal Integration
₹8,000 INR in 7 days
7.1
7.1

As an experienced web developer with over 11 years in the field, my team and I have honed our skills to deliver superior results. We have vast knowledge in the areas you need help in; PHP, MySQL, Laravel, CSS, HTML, Magento and more. This positions us ideally for your secure e-commerce project with its emphasis on core features. Additionally, we are adept at incorporating various system requirements such as role-based access control which is key for your future admin-customer dashboard requirements. Our proficiency in using APIs will ensure a smooth PayPal integration for end-to-end payment services. We can start with sandbox testing and then transition to live endpoints, ensuring a solid test phase before going live. Creating an efficient and responsive website that can handle heavy traffic without compromising security is always at the forefront of our minds. We will deliver clean code capable of scaling for future needs as well as a comprehensive readme for setup instructions and future extension tips. Trust me, unlike others with just professionalism, we care about you which reflects in our work! Choose us for a secure, maintainable codebase delivered with meticulous clarity as you need. Let’s build together!
₹7,000 INR in 5 days
7.0
7.0

Your PayPal webhook handler will fail silently if you don't verify the signature server-side before updating order status. That's how fraudulent "payment complete" requests slip through and ship products you never got paid for. Quick questions - are you planning to store 2FA secrets in plaintext environment variables or encrypt them at rest? And what's your expected concurrent user load so I know whether to implement Redis session storage now or later? Here's the architectural approach: - PHP + NODE.JS: Build dual-layer auth with bcrypt password hashing, JWT session tokens, and TOTP-based 2FA using speakeasy library; admin/customer roles enforced via middleware that blocks unauthorized dashboard routes before they render. - AJAX + VUE.JS: Implement reactive filter component that debounces user input and queries MySQL with indexed WHERE clauses on category_id, price, and geospatial POINT columns so multi-criteria searches return under 100ms even with 10K products. - PAYPAL + MYSQL: Integrate Orders API v2 with server-side signature verification on IPN webhooks, atomic transaction updates that prevent double-processing, and idempotency keys stored in your orders table to handle retry storms during network failures. I've built similar checkout flows for 2 SaaS platforms processing $400K/month without a single chargeback dispute. Let's schedule a 20-minute call to walk through your database schema before I write a line of code.
₹6,300 INR in 3 days
7.4
7.4

Having been in the market since 2015, I've successfully developed and deployed numerous secure and maintainable projects similar to yours. As a Senior Software Engineer, my familiarity with NestJs, NextJs, ReactJs, Angular, Laravel, Codeigniter and more makes me confident in my ability to build your e-commerce web app. Working extensively with APIs, I provide foolproof authorization ensuring your users' limitations while allowing them to make full use of the website. My skills aren't limited to just working on the backstage of a website; I've also integrated various payment gateways including PayPal-end-to-end as you require. This inflammatory COVID era has seen e-commerce skyrocketing and with it security concerns have surged too. I can guarantee an optimized experience that's not only secure but also quick - whether it be through efficient login/registration flows, filter combinations without reloads or implementing 2FA. Finally, I understand that the goal of this project is not just delivery but also enabling you in future scaling and management. Hence, my code is well-commented and accompanied by clear documentation that'd support extension as well as configuration management which is simply crucial in today's dynamic technological environment. If you want a professional match who doesn't compromise quality on tight schedules then feel free to drop me a line.
₹12,000 INR in 5 days
6.5
6.5

Setting up secure session auth with 2FA, geo-spatial category filtering, and idempotent PayPal webhook handling requires clean architecture from day one. ✅ Implement secure authentication with hashed credentials, email-based 2FA verification, RBAC middleware, and hardened session storage. ✅ Build the responsive catalog with non-blocking AJAX filtering for category, price range, and location radius queries without page reloads. ✅ Integrate end-to-end PayPal checkout with server-side signature verification, automated webhook handling, and environment-driven sandbox/live toggles. ✅ Provide a clean Git repository with structured database schemas, seed data, and a straightforward setup README. ✅ 10+ years production experience | 400+ completed projects | 320+ five-star reviews ✅ Microsoft® Certified: MCSA | MCSE | MCT & cPanel Certified (CWSA-2) Which backend runtime do you prefer for this baseline (Node.js or PHP/MySQL), and will location range rely on browser geolocation API or postal/zip lookups? I can deliver this in 1 day for 6400 INR and can jump on it right now.
₹6,400 INR in 1 day
5.9
5.9

I have already built similar eCommerce systems with authentication, role-based access, product workflows and payment integrations, so we understand that your priority is a secure foundation that can scale without creating issues later. I can develop the login/registration flow with 2FA, secure sessions, password reset, RBAC for Admin/Customer and protected APIs. The home page can include featured products, cart/save-for-later functionality and AJAX-based combined filters for product type, price and location without page reloads. For PayPal, we can implement the complete sandbox-to-live flow including client SDK, server-side order validation, webhook verification, success/failure handling and secure credential management. We will provide clean, documented code with setup instructions and a clear structure for adding future categories. Relevant experience includes iPOSS, with products, inventory, customers, roles and Razorpay payments; WOW Financial, with secure onboarding, role-based workflows, payments and transaction handling; and HelpDesk, with authentication, roles and protected business workflows. A few questions i want to ask once 1. Should 2FA use email OTP, authenticator app, or both? 2. Is location filtering based on user GPS or product/store location? 3. Do you already have the existing codebase/database, or should we build this core from scratch? I can start with the authentication and API foundation, then build the filtering and PayPal flow around it.
₹12,000 INR in 40 days
6.2
6.2

For this e-commerce foundation, I’d structure authentication and filtering as reusable modules from day one, so the future customer/admin dashboards can plug in without reworking the security layer. I’d use Laravel + MySQL or a similarly stable stack, with hashed passwords, email-based 2FA, secure sessions, password resets, and policy-based admin/customer access. For the catalog, I’d build combined product, price, and distance filters over AJAX so queries like “Electronics under $50 within 10 km” return quickly without full-page reloads. The home page can include featured products, save-for-later, and cart stubs while keeping the codebase lightweight and easy to extend. PayPal would be implemented with the client SDK plus server-side order verification and webhooks, so payment status is never trusted from the browser alone. Keys and 2FA secrets would stay in environment configuration, with clear README notes for sandbox/live switching and deployment. A relevant project is MofiBasket, a custom e-commerce platform with product management, customer purchasing, delivery tracking, coupons, promotions, and multi-currency support.
₹50,000 INR in 7 days
6.0
6.0

➡️ SECURE E-COMMERCE CORE - READY TO DEVELOP ➡️ Hey, I’ve carefully reviewed your requirements and understand that you’re building the core foundation of a secure e-commerce app, with the main focus on authentication, flexible product filtering, and a reliable PayPal payment flow. ✍️CORE DEVELOPMENT ◆ Build secure login and registration with email/password + 2FA verification. ◆ Add session handling, password reset, and admin/customer role access. ◆ Create the featured-product homepage with a working Save for Later feature. ◆ Implement combined AJAX filters for product type, price, and location range. ◆ Integrate PayPal with sandbox testing, server-side validation, webhooks, and callbacks. ◆ Keep the code clean, maintainable, well-commented, and ready for future scaling. ✍️DELIVERABLES ◇ Git repository with setup instructions. ◇ Responsive authentication screens with 2FA. ◇ Working product filters and cart-ready structure. ◇ Tested PayPal checkout flow with documentation. ◇ README covering configuration, 2FA secrets, and category expansion. I’ll focus on getting the security and core functionality right first, so your final UI layer can be added cleanly on top of a reliable foundation. Ready to build and document the core so it’s secure, scalable, and production-ready. Regards, Jatinder
₹6,000 INR in 4 days
6.1
6.1

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * ASP.NET C# web and software development * Android app development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
₹12,500 INR in 8 days
5.5
5.5

Hello, I can do this work. I have 5+ years of experience in full-stack web development, authentication, e-commerce, APIs, and payment integrations. I will provide: • Secure login/registration with 2FA, password reset, sessions, and role-based access • Fast responsive homepage with featured products, cart stubs, and Save for Later • AJAX-based combined filters for product type, price, and location range • Complete PayPal integration with SDK, server validation, webhooks, and sandbox testing • Clean, scalable, well-commented source code with Git setup instructions • README covering configuration, 2FA secrets, categories, deployment, and future extensions Warm Regards, Monica Bhatia
₹6,000 INR in 4 days
5.4
5.4

Secure access and PayPal verification are the foundation of this e-commerce app; 2FA, roles, filters, and callbacks must work before visual polish. I’ll keep the core ready for future dashboards. I can implement PHP/Node.js with MySQL, responsive auth, password reset, hardened sessions, admin/customer roles, and email verification codes with secrets out of source. The home page will load featured items and cart/save stubs, while AJAX filters combine type, price, and location without reloads. PayPal will use the client SDK, server validation, webhook verification, idempotent captures, and clear outcomes in sandbox first. I’ll add category-ready data structures, Git setup, security checks, configuration notes, and responsive regression tests. My relevant real work includes B2B, e-commerce, and marketplace platforms, backed by 9+ years of PHP/web development; I won’t claim an unlisted codebase. Should 2FA use email codes or an authenticator app, and is location stored as a radius, postal area, or coordinates? I estimate 8 days for this core milestone, testing, documentation, and handover. My bid is ₹8,000, and I can begin with the auth and payment-state design.
₹8,000 INR in 7 days
5.5
5.5

As an accomplished web developer who's passionate about creating secure, fully functional sites, I'm confident I can bring your e-commerce project to life. My proficiency in languages such as HTML and JavaScript will ensure a well-rounded development process that prioritizes not only speed but also security. I have extensive experience with bootstrap and am knowledgeable about the ins and outs of various e-commerce platforms like WordPress, Wix, and Shopify. So, whether it's a clean login/registration flow or a multi-criteria filter, I can handle it all seamlessly. Furthermore, I put immense importance on user experience during my design process; it’s not just about making the website visually appealing but rather ergonomic and intuitive for your users as well. My skills and expertise extend from the basic use of these tools to Server-side validation integrating payment gateways using tools like AJAX for an instant reaction without page reloads. I remain committed to optimal client satisfaction and this has translated into numerous milestones achieved on-time, within budget, and eventually exceeding client expectations. If you entrust me with this project, rest assured- you’ll get secure, maintainable and well-documented code ready for smooth scaling. I look forward to discussing with you how we can realise your unique vision and requirements for this project together.
₹7,000 INR in 7 days
5.4
5.4

Hello Client, Hope you are great!!! I read you job description you are looking for web developer. I have sound of 7 years exp in wordpress, PHP, CI, Laravel, Drupal, Joomla and developed 145+ websites with good design. We are using the MVC model for security of website as well as develop three layer security in website and website is high skilled code follow all standards of development. I have been worked on many domain like ecommerce, Martrimony, Hotel Booking, Social, Healthcare, and Sport etc. I provide new vision for website and am always available for your support(24*6) . I hope you will be give positive response. Thanks
₹5,000 INR in 1 day
5.4
5.4

Hello, I have 8 years of experience in full-stack web development, including secure authentication, REST APIs, JavaScript, database-driven applications and payment integrations. I can build this foundation with security and future scalability as the priorities. I can handle: Secure registration/login with email + password 2FA verification-code flow Session management, password reset and role-based access Admin/customer permission structure Fast homepage with featured products Save-for-later/cart stubs AJAX filtering by product type, price and location radius Combined filters without page reloads PayPal SDK integration with server-side validation PayPal webhooks and payment confirmation handling Sandbox testing followed by live configuration Responsive authentication and core screens Clean, modular and well-commented code Git repository with setup/configuration documentation README covering 2FA secrets, categories and extension points I’ll keep authentication and payment logic server-side where appropriate, validate webhook events securely, and structure the APIs so future dashboards and e-commerce functionality can be added without rewriting the foundation. Estimated turnaround: 7–10 days. I can start immediately and provide the implementation in reviewable milestones. Thanks, Rohan V
₹10,000 INR in 7 days
5.1
5.1

Hi there, I have strong experience building secure e-commerce applications with authentication, 2FA, role-based access, AJAX filtering, PayPal integrations, and scalable backend systems. I can build the foundation with clean, maintainable code so your future dashboards and e-commerce modules can be added without reworking the core structure. I can implement the complete login and registration flow with email/password authentication, verification-code based 2FA, secure sessions, password reset, and separate admin/customer access. The home page can include featured products, cart stubs, and a functional save-for-later feature. For product discovery, I can implement combined AJAX-based filtering for product type, price range, and location radius so users can apply multiple criteria together without page reloads. The filtering logic will be structured to remain easy to extend as more categories or conditions are added. Let's connect to discuss and move forward accordingly. Thanks Saurabh
₹5,500 INR in 7 days
5.4
5.4

I build secure, scalable e-commerce backends. 2FA, PayPal integration, clean code—production-ready. DELIVERABLES - Login/registration with 2FA enabled - Role-based access (admin, customer) - Session management and password reset - Home page with featured items and save-for-later - Multi-criteria AJAX filters (type, price, location) - Full PayPal integration (sandbox + live) - Shopping cart stubs - Git repository with setup instructions - Documentation and code comments WORK PROCESS 1. Design database schema with 2FA support 2. Build secure login/registration flow 3. Implement role-based middleware 4. Create home page with featured products 5. Build AJAX filter system 6. Integrate PayPal API (client + server validation + webhooks) 7. Test end-to-end flow 8. Provide documentation TECH STACK PHP, JavaScript, MySQL, AJAX, HTML/CSS Timeline: 10-12 days Cost: 8,500 INR (fixed) Source code, documentation, and deployment guide included. Ready to start immediately.
₹7,000 INR in 7 days
5.0
5.0

Hi, I reviewed your requirements and can build the secure foundation for your e-commerce web app with scalable authentication and payment architecture. We’ll implement email/password authentication, 2FA, password reset, session management, Admin/Customer roles, featured products, save-for-later, AJAX multi-criteria filters and PayPal Sandbox + webhook integration with server-side validation. Recommended Stack: Laravel + MySQL + HTML/CSS/JavaScript for security, maintainability and fast development. You’ll receive the Git source, responsive screens, tested PayPal flow, setup documentation and secure 2FA configuration. Timeline: 2–3 weeks Let’s discuss the requirements and get started.
₹10,000 INR in 7 days
4.7
4.7

Kolkata, India
Member since Sep 23, 2026
₹1500-12500 INR
€12-18 EUR / hour
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$10-30 USD
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