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platform modules include: Authentication & Identity User Profiles Organization Management Branch Management Team Management Social Commerce Network Open Commerce Marketplace Product Catalog Inventory Management Order Management Payment Gateway Digital Wallet Banking & Virtual Accounts QR Payments NFC / Tap-to-Pay USSD Payments Payment Links Merchant Dashboard Payment Aggregator Payouts & Settlements Crypto On-Ramp & Off-Ramp NFT Marketplace Employer–Employee Platform Outsourcing Platform Marketing & Advertising Insurance EMR / Healthcare Supermarket Smart Payments Tourism & Booking Customer Support AI Copilot Business Intelligence & Analytics White-Label Platform API Marketplace Admin Dashboard User Dashboard QR code payment Security & Compliance DevOps & Deployment
Project ID: 40578631
407 proposals
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407 freelancers are bidding on average $709 USD for this job

Hi there, We understand you're looking to implement a comprehensive eCommerce payment gateway system, encompassing open commerce solutions, employer-employee outsourcing platforms, APIs, admin system management, sub-accounts, white-label options, and onramp solutions. Webbook Studio is well-equipped to handle this project, given our experience with PHP, Magento, and payment gateway integration, as seen in our previous work on e-commerce and custom CRM/ERP systems, including a British online store with Shopify and ERP integration. We'll deliver a seamless and secure payment processing system tailored to your needs. Can you elaborate on your preferred payment gateway and any specific security or compliance requirements you have? Feel free to message us to discuss the details! — Webbook Studio
$490 USD in 10 days
9.2
9.2

Hi there, I see you are looking to implement an eCommerce payment gateway system. This is a crucial step in ensuring smooth and secure transactions for your online platform. I can help you with a robust technical approach that leverages API development and integrates seamlessly with platforms like Magento. This solution will manage employer-employee outsourcing platforms and encompass white-label options, providing a comprehensive admin system for total management oversight. My experience in PHP, software architecture, and web development will be pivotal in building a payment processing system that is both efficient and scalable. By incorporating sub-accounts and an onramp solution, we will create a user-friendly environment suitable for diverse commercial needs. Security and seamless user experience will be top priorities as we customize the system to fit your specified requirements. Looking forward to collaborating with you. Best Regards, Khorshed Alam, RS Software
$700 USD in 12 days
9.5
9.5

Hello, With more than a decade of experience in PHP and software development, my team and I at Our Software believe we have what it takes to successfully implement your eCommerce Payment Gateway System. As one of the leading web service providers in Pakistan, we understand the essential components and complexities required to make a smooth and secure transaction system possible. Not only do we offer expertise in creating transactional platforms, but we're adept at handling Employer-Employee Outsourcing systems as well. This means that not only will your eCommerce store be equipped with a top-tier payment gateway solution, you can also have an admin system management capability in-house. Additionally, we offer sub-account options for managing multiple users and white-label solutions that add a professional touch to your brand. Partnering with us guarantees comprehensive on-ramp solutions that promote easy integration into existing business structures or the implementation of new protocols as needed. We pride ourselves on adding the "WOW" factor to all our projects and ensuring customer satisfaction beyond expectations. Choose us for a secure and seamless payment experience that'll take your e-commerce business to new heights. Thanks!
$450 USD in 6 days
8.6
8.6

Hi, I'm quite excited about the opportunity to implement your Payment Gateway system. Over the years, I've successfully handled numerous eCommerce projects which equipped me with deep knowledge and skills to create robust and reliable payment portals from scratch. This includes incorporating all the functionalities you mentioned like Employer-Employee Outsourcing platform/APIs/Admin System management/Sub-account/White-lable options/Onramp Solution.
$350 USD in 1 day
8.7
8.7

Good to see this project, I will deliver a payment gateway system with multi tenant admin, sub account management, white label theming, and onramp integration, all wired through clean APIs your front end or partners can consume. On a similar commerce platform build, structuring the sub account permissions early saved weeks of rework during white label rollout. I will apply that same architecture here. Questions: 1) Which payment processors or onramp providers (Stripe, Wyre, MoonPay, etc.) do you need integrated at launch? 2) Is the employer/employee outsourcing module a separate dashboard or part of the main admin panel? Share your current tech stack and any wireframes, and I will map out the module breakdown this week. Looking forward to discussing further. Best regards, Kamran
$287 USD in 10 days
8.5
8.5

Hi, I have extensive experience in implementing custom payment solutions and can help you create an efficient, user-friendly system for your needs. From open commerce solutions to admin management and sub-account features, I can tailor the payment gateway to suit your requirements. Implementing APIs and a white-label option is also within my expertise, ensuring a flexible solution that aligns with your brand. I’ve been working in this field for over 8+ years and have successfully delivered similar projects. Let’s schedule a time to discuss your vision and how I can bring it to life. Best Regards, Priyanka
$500 USD in 7 days
8.4
8.4

Hi, I have experience building secure web platforms with payment gateway integrations, API development, admin dashboards, role-based access, and scalable architectures. I can help develop your solution with: * Payment gateway and on-ramp integration * Employer–Employee outsourcing platform * Open commerce/API integrations * Admin management system * Sub-account and multi-user management * White-label architecture for future branding * Secure, responsive, and scalable implementation I’m available to discuss your requirements and recommend the best technology stack based on your goals. Best regards, Muhammad Rizwan LA
$250 USD in 2 days
8.2
8.2

Hi Client, You need more than a payment gateway; you need a controlled transaction hub where buyers, sellers, brands, and teams all operate cleanly from one dashboard. I can build the admin/user architecture, sub-accounts, white-label flows, API integrations, and payment logic so every role stays separated yet fully manageable. I’ve delivered PHP/MySQL and web platform systems with dashboards, role-based access, payment gateways, and automation, and I can turn this into a structured, scalable solution with clear module boundaries. 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. To make the build precise, I would want to confirm the payment provider, wallet/on-ramp flow, and the exact permissions for each sub-account type. Could you clarify which payment gateway(s) and wallet/on-ramp flow you want supported, and whether the system should include separate permissions for each role? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$250 USD in 10 days
8.3
8.3

I will Complete this proejct as per the given scope of work --Implementing eCommerce Payment Gateway System You will get clear communication, creative thinking, and reliable delivery without constant follow-ups. I am Passionate PHP /Full stack developer having rich experience with so many successful Tasks. Please ping me to get started and provide you great results. Thanks
$400 USD in 7 days
8.1
8.1

✔✔ Custom Payment Gateway & Employer-Employee Outsourcing Platform ✔✔ Hello, I have reviewed your requirements and can develop a secure, scalable platform featuring a payment gateway integration, employer-employee outsourcing management, Open Commerce APIs, admin dashboard, sub-account management, white-label capabilities, and crypto/fiat on-ramp solutions. The system will be designed with a modular architecture, robust security, and seamless third-party API integrations to support future growth and customization. Payment Gateway Integration > Employer-Employee Platform > Admin Dashboard > White-Label Solution > API & On-Ramp Integration Could you please share your preferred payment providers, on-ramp solution, and the key workflows you envision for employers, employees, and sub-accounts? Regards,
$320 USD in 12 days
8.2
8.2

Hi With over a decade of experience in eCommerce development and a dynamic team of experts, each proficient in multiple technologies, I assure you we are the best-suited team for realizing your vision of a comprehensive platform. One that includes an all-encompassing user dashboard, accessible payment gateways, and an efficient admin system. Pitched as "Pixel Perfect" professionals, we mesh sound analytical skills combined with creative design sensibilities. Adept in PHP (Laravel, CodeIgniter, CakePHP, Yii), Magento and Software Development with software architecture - we have what is needed for this project. We also cautiously and diligently integrate REST APIs while developing scalable database architectures providing you with secure and adaptable systems. Our operational proficiency branches out further to include other platforms such as WordPress, WooCommerce, Shopify (both store development and designing apps), Prestashop amongst others thereby presenting you with an array of choices to build your online or digital approach on one user dashboard; ensuring ease of accessibility and better team management. In conclusion, by selecting us not only are you opting for skilled craftsmen who assure quality delivery but for professional ISO-certified developers vouching for secure software development practices protecting client information which is essential today. Thanks...
$750 USD in 7 days
8.0
8.0

⭐⭐⭐⭐⭐ Build Efficient Payment Solutions for Your Platform Modules ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a comprehensive solution for your platform modules. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for payment solutions and platform management. I will ensure that each module functions seamlessly, using proven methods and best practices to deliver added value within your budget. ➡️ Why Me? I can easily create your platform modules as I have 5 years of experience in payment solutions, user management, and e-commerce systems. My expertise includes API integration, user authentication, and inventory management. Not only this, but I also have a strong grip on other relevant technologies like DevOps and business intelligence, ensuring a comprehensive approach to your project. ➡️ 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 discussing this with you! ➡️ Skills & Experience: ✅ Payment Gateway Integration ✅ User Authentication ✅ Inventory Management ✅ Order Management ✅ API Development ✅ Digital Wallet Solutions ✅ Banking & Virtual Accounts ✅ Merchant Dashboard Creation ✅ Business Intelligence ✅ Security & Compliance ✅ Customer Support Systems ✅ DevOps & Deployment Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
8.0
8.0

I read through your list of chips and modules, and it's clear you want one unified dashboard that handles payments, social commerce, employer-employee workflows, and even specific verticals like EMR and tours under the same roof. That's a big architectural challenge, and I appreciate you laying out the scope upfront. With my background building complex multi-tenant systems in PHP and Laravel, I'd approach this by designing a core admin dashboard that manages sub-accounts and white-label options, then building each chip as a modular plugin or API that can be toggled on per user role. The presentation guide for developers would map out the database structure, API endpoints, and how each chip interacts with the payment wallet and admin settings. I have experience building similar unified dashboards with role-based access and payment orchestration. I also provide unlimited revisions until you're completely satisfied. Looking forward to hearing more about your vision.
$250 USD in 7 days
7.7
7.7

Hi, I can help develop a scalable platform with unified user and admin dashboards, payment gateway integration, APIs, and a modular architecture that supports future expansion while keeping the system maintainable. With 7+ years of web development experience, I focus on clean architecture, reliable communication, and phased delivery for complex platforms. Regards, Ajharul
$500 USD in 7 days
7.7
7.7

Hi, I’m interested in your payment gateway and open commerce platform project. I have experience with PHP, Magento, API development, eCommerce solutions, and building secure web applications. I can help develop and integrate payment processing, admin management, sub-accounts, white-label features, outsourcing workflows, and scalable API-based solutions with clean and maintainable code. I’d be happy to discuss your requirements and provide the best technical approach. Best regards,
$500 USD in 7 days
8.0
8.0

Hey, i will build a clean and professional multi module web platform for your fintech and commerce ecosystem that is focused on improving your digital presence, building trust, and helping businesses manage payments, operations, and customer engagement efficiently I will work directly on the required platform/account to design and develop a scalable modern platform with secure authentication, user and organization management, dashboards, payment systems, marketplace features, analytics, AI integrations, and API-ready architecture. I will focus on smooth user experience, responsive design, proper security practices, and professional formatting of your platform modules. I will also handle on page SEO including optimized meta titles descriptions image alt tags URL structure and basic SEO setup to improve search visibility and performance. i am interested to doing this work and i am agree with your budget Do you already have a preferred technology stack or any reference platforms you want me to follow for your project? portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards: Hammad Hassan
$300 USD in 10 days
7.6
7.6

The main risk here isn’t the payment form itself; it’s keeping Magento orders, employer/employee sub-accounts, onramp transactions, and admin records consistent when callbacks are delayed, repeated, or fail. I’d start by defining the transaction and account flows, then map each API connection to the correct Magento order and payment states. In PHP, webhook handlers should verify signatures and process events idempotently, so the same payment notification can’t create duplicate updates or payouts. I’d also keep gateway-specific logic separate from the core platform, which makes the white-label option and future provider changes easier to manage. The admin system should expose transaction status, failed API calls, sub-account activity, and retry history without requiring direct database checks. Which payment gateway and onramp provider are you planning to use, and is this being added to an existing Magento platform or built as a new system?
$500 USD in 7 days
7.2
7.2

Hello, Building a secure payment platform requires more than just integrating a gateway—it demands a scalable architecture, reliable APIs, and efficient system management. At Doomshell Software Pvt. Ltd., we specialize in developing custom eCommerce platforms, payment solutions, and enterprise web applications that are secure, scalable, and easy to manage. We can help you with: ✔ Develop a secure payment gateway and transaction workflow ✔ Build employer-employee outsourcing and sub-account features ✔ Create a white-label platform with custom branding ✔ Develop robust APIs and an intuitive admin dashboard ✔ Deliver a scalable, high-performance web application Our approach: ✔ Understand your business workflow and technical requirements ✔ Design a secure and modular architecture ✔ Develop, integrate, and thoroughly test every feature ✔ Ensure seamless deployment with future scalability in mind Quick questions: • Do you have a preferred payment gateway or provider? • Is Magento your required platform, or are custom PHP solutions acceptable? • Do you have detailed feature specifications or wireframes? Regards.
$730 USD in 7 days
7.5
7.5

HEY, I AM CHRISTINA. LET'S BUILD A SECURE, SCALABLE PLATFORM WITH PAYMENT, OUTSOURCING AND WHITE-LABEL CAPABILITIES. I have 12+ years of experience developing fintech, marketplace, payment gateway and enterprise SaaS platforms. Your requirements align perfectly with solutions I've successfully delivered. I can build a complete platform featuring a secure payment gateway, employer-employee outsourcing marketplace, Open Commerce integration, REST APIs, admin management system, role-based access, sub-account management, white-label support, on-ramp/payment solutions, KYC/AML workflows, reporting dashboards and scalable cloud architecture. The solution will be secure, modular and designed for future integrations and business growth. I've developed similar enterprise platforms with clean architecture, API-first design, payment integrations and multi-tenant capabilities. Let's discuss your business model, preferred tech stack and roadmap. I'd be happy to help bring your platform to life. Thanks CHRISTINA
$270 USD in 7 days
7.5
7.5

With my extensive experience as a Full Stack Developer spanning over 8 years, I have honed my skills in a wide range of technologies, including PHP, Software Architecture and Payment Gateway Integration. I have a track record of successfully delivering 145+ projects with a touch of excellence and precision which reflects my thorough understanding of clients' needs. This background stands me in good stead to tackle the challenges of implementing your eCommerce Payment Gateway System. What sets me apart from other candidates is not just my proficiency but also my passion for creating high-quality, scalable, and secure web solutions tailored specifically to meet clients' business objectives. I understand the ins and outs of utilizing third-party integrations such as Payment APIs, which makes me well-equipped to take on this project. In addition to providing clean code and clear communication throughout the project, I am committed to agile development methodologies and offer flexible engagement models that can cater to your needs - be it fixed cost, hourly work or even dedicated teams. Furthermore, after delivering the project, I go the extra mile by offering video guides, full documentation and post-project support for a month - ensuring that your project remains fully operational even after it's handed over. So let's partner up and ensure the success of your eCommerce venture! Let's get started on this journey together!
$500 USD in 7 days
7.6
7.6

Nairobi, Kenya
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