Custom PHP Escrow & Automation Module

@softsolution2000

With my expertise in PHP, Website Design, HTML, Payment Gateway Integration, and B2B Marketing, I am well-equipped to seamlessly integrate the new features into your B2B marketplace. I have experience working with regional gateways and can ensure a smooth transition between PHP versions. The budget can be adjusted after discussing the full scope, and I am committed to delivering within your budget. Let's kick start this project and achieve the desired results together. Please go through my profile to see my extensive experience. Looking forward to discussing the job details and getting started on this exciting project.

@smilemittal181

Hello, I have carefully reviewed your requirement to implement a full escrow and communication workflow while bridging your legacy PHP 5.2 core with new modules in PHP 8.3. I understand the importance of maintaining compatibility with the existing marketplace while introducing secure escrow logic, gateway integrations, automated contracts, and real-time communication flows. I have strong experience with custom PHP systems, payment gateway integrations, and transaction workflows. My approach would be to build the escrow module in PHP 8.3 as a structured service layer, exposing clean endpoints that integrate safely with the legacy 5.2 core while handling state management, payment webhooks, and admin controls. The system will include Paymob, Fawry, and Xpay integrations, RTL Arabic PDF contract generation, WhatsApp API automation, and a full admin dispute panel, with clear documentation of architecture, migrations, and webhook flows. The Bid amount is subject to change and will be finalized after a complete project discussion. Please share details of the current marketplace architecture and database structure, and I can outline the integration plan and development milestones to start immediately. Regards, Smile Mittal

@einnovention

Asif from Einnovention here, and I'm confident that my team and I have the unique blend of skills your ambitious PHP project demands. With our extensive experience in building marketplaces, tackling API integrations like the ones you need, and our in-depth understanding of the PHP landscapes - both old and new - we're more than equipped to navigate your upgrade. Not only will we create a fully working escrow workflow that smoothly transitions between different stages but also provide comprehensive error handling solutions. Our expertise in payment gateway integration will ensure that the trifecta of Paymob, Fawry, and Xpay process deposits effectively while triggering releases within the escrow's security logic.

@DeveloperStation

Hi, We’ve built several B2B marketplaces with custom PHP, including a fully functional escrow system. We understand the complexities of managing multiple PHP versions and have successfully handled similar transitions from PHP 5.6 to 8.1. For your project, we can deliver a robust escrow solution with features like: * Admin control to manage disputes and refunds * Payment gateway integrations with PayPal, Stripe, and local options * Automated Arabic PDF contracts * WhatsApp notifications We also provide extensive documentation and support to ensure smooth handovers. Let’s schedule a 10-minute call to discuss your project in detail and see if I’m the right fit. I usually respond within 10 minutes. Best regards, Adil

@ZohaibRoy

⭐⭐⭐⭐⭐ Upgrade Your B2B Marketplace with PHP 8.3 and Escrow Features ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project needs and see you're looking for a developer to upgrade your B2B marketplace from PHP 5.2 to 8.3 while adding an escrow system. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for B2B marketplaces ➡️ Why Me? I can easily handle your project as I have 5 years of experience in PHP development, specializing in B2B marketplaces, payment integrations, and workflow automation. My expertise covers escrow systems, API integrations, and creating comprehensive documentation. Additionally, I have a strong grip on technologies like MySQL and JavaScript, ensuring a smooth transition and effective solutions. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ PHP Development ✅ B2B Marketplace Solutions ✅ Escrow Workflow Creation ✅ Payment Gateway Integration ✅ API Integration (WhatsApp, Paymob, Fawry) ✅ Arabic PDF Generation ✅ State Management ✅ Error Handling ✅ Admin Control Panel Design ✅ Technical Documentation ✅ MySQL Database Management ✅ JavaScript Automation Waiting for your response! Best Regards, Zohaib

@Webtechfusion23

Hi, ➡️ I read your project description and understand that you need a robust Custom PHP Escrow & Automation Module for your B2B marketplace. Your requirements for a seamless integration between PHP versions 5.2 and 8.3, along with the implementation of advanced escrow and communication features, are clear. ⏺️ With over 12 years of experience as a Full Stack Developer, I specialize in PHP development and have extensive experience integrating payment gateways and automating workflows. I have successfully developed similar modules that bridge different PHP versions, ensuring compatibility and functionality. My expertise includes creating secure escrow systems, automating processes using APIs like UltraMsg and Twilio, and developing RTL Arabic PDF generators. My approach will ensure that the escrow workflow operates flawlessly from negotiation to completion, integrating Paymob, Fawry, and Xpay seamlessly. Regards, Aftab Ahmad Full Stack Developer (12 Years of experience)

@Rekhathakur

With over a decade of experience in PHP, HTML, and API integrations, bridging your current PHP v5.2 core to the upgraded version sounds like a walk in the park for me. And that's not all. Having developed a wide range of B2B platforms, I fully comprehend your project's technical and business requirements down to every detail you've outlined. I am confident that my deep understanding of B2B marketplace dynamics will be invaluable in delivering an exceptional end-to-end escrow workflow. Payment gateway integration can be a headache for any development project; that's why you need my expertise. My past interactions with regional gateways including Paymob, Fawry, and Xpay make me familiar with their intricacies, allowing me to seamlessly incorporate them into the escrow logic. Additionally, as an AI/ML enthusiast, generating Arabic PDF contracts that correctly represent your customers' agreed-upon terms is a piece of cake for me. Combining my technical proficiency with strategic thinking makes me a perfect candidate for this project – I won't just add features to meet specifications but also ensure they contribute effectively to your business objectives!! Thank you!!

@mrresearcher99

Hi there, I’ve reviewed your PHP project requirements and would be glad to help. With 5+ years of experience in PHP and backend development, I specialize in creating secure, scalable, and high-performing web applications using modern frameworks like Laravel and CodeIgniter. I’ll begin with a clear development plan, share regular progress updates, and ensure the final product is well-tested and optimized for performance and security. Let’s connect to discuss your project goals — I’m ready to get started! Best, Bhargav PHP Developer | Laravel & Backend Expert

@royalwebraisers

Hi, As per my understanding: Custom PHP escrow module (5.2/8.3 bridge)—negotiation/deposit/proofing workflow, Paymob/Fawry/Xpay integration, Arabic PDF contracts, WhatsApp automation, admin panel, full docs. Implementation approach: - PHP 8.3 microservice w/ Composer deps, legacy API wrapper. - Dompdf for RTL PDFs, UltraMsg for WhatsApp webhooks. - MySQL states, queued jobs for notifs. Queries: DB schema? Gateway API keys? I will share my portfolio on your first message. Best Regards

@b2btechnology20

As an experienced and dedicated developer for over a decade, I have honed my skills to become fluent in PHP and other relevant technologies such as MySQL, API integration, and web development across various platforms like WordPress and Magento. With this background, I am confident that I have the capabilities to construct the dynamic custom PHP escrow module you require. In particular, my extensive familiarity with the different layers of marketplace functioning including payment gateways, contracting, automation, and error handling will definitely come in handy for your project. Moreover, my experience working on both legacy and updated versions of PHP makes me well-suited in effectively bridging the gap between PHP 5.2 and PHP 8.3 while keeping your existing system intact. Lastly, my team's strengths in providing comprehensive technical documentation ensures that not only would we deliver a fully-functioning solution but we would leave you with all the necessary materials that would facilitate future understandings of any developer who might pick up our codebase. Trust me with your B2B marketplace upgrade; let’s get to work!

@jenishfaldu

Hi, Senior PHP developer with 14+ years of experience, and I’ve worked on complex marketplace systems, payment gateway integrations, and escrow-style workflows. I will build the complete escrow workflow (Negotiation → Deposit → Proofing → Completion) while bridging your legacy PHP 5.2 core with new PHP 8.3 modules safely. This will include Paymob, Fawry, and Xpay integrations, Arabic RTL PDF contract generation, WhatsApp automation (UltraMsg/Twilio), and a full admin control panel for dispute handling and transaction control. The solution will be cleanly modular with detailed documentation, ensuring the PHP 8.3 components integrate smoothly with the existing core. Could you share a brief overview of the current marketplace architecture and database structure?

@technologiesit

With over a decade of experience as a freelance web developer, I fully understand the complex nature that comes with upgrading versions for a heavily coded platform like yours. Having successfully transitioned numerous projects, I am well-equipped to seamlessly update your B2B marketplace from custom PHP v5.2 to v8.3 while incorporating all the features you've requested. My vast skillset in PHP, Website Design, and HTML is perfectly aligned with your project requirements. Furthermore, my team and I have a wealth of experience with WordPress development, Laravel, Shopify, and Codeigniter among others. This means that we are not just limited to PHP but comfortable working in multiple platforms- an invaluable trait for tackling the complexities in your project. Additionally, having successfully integrated various payment gateways in different regions, including Arabic ones similar to your chosen options (Paymob, Fawry and Xpay), I can confidently say we will provide flawless payment processing and escrow management for your platform. Lastly, my dedication to excellent documentation ensures that everything is clear and concise; facilitating easy onboarding for anyone who may work on this project in the future. My ultimate goal is to bring satisfaction and success to our clients and their businesses by providing solutions that exceed expectations. Working with me guarantees not just a one-time job but an ongoing partnership dedicated to the success of your platform.

@VianRey1

Upgrading a custom PHP core from such an old version while adding a seamless escrow and Arabic contract system is a huge headache, especially when every step must be airtight for trust and local payment gateways. Juggling state management, instant WhatsApp updates, and making sure every transaction shows up correctly for admins can get overwhelming and costly if just one piece breaks. You can expect a robust PHP 8.3 module that bridges your legacy system, runs the entire escrow process end to end, and generates flawless Arabic contracts, all while handling deposits and releases automatically through Paymob, Fawry, and Xpay. First, I’ll map out how the escrow and automation hooks into your existing PHP core. Then I’ll build the payment, PDF, and WhatsApp layers to work together seamlessly. Finally, I’ll create an admin panel and thorough documentation so anyone can step in and understand the flow. Does your current system already have any partial automation for contracts or payments, or would this be built from scratch?

@Shaukatali67

Hello, I'll bridge your PHP 5.2 core with PHP 8.3, adding escrow and communication layers ?. Experienced with B2B marketplaces, PHP, and regional gateways (Paymob, Fawry, Xpay). Let's implement the escrow workflow, payment integrations, and automation. Ready to start!

@DigitaSyndicate

Upgrading from PHP 5.2 to 8.3 without precise version bridging risks catastrophic data inconsistencies and broken workflow states, especially when embedding complex escrow and communication layers within a bespoke B2B marketplace. Your project demands seamless integration between legacy architecture and modern APIs to secure real-time transactional accuracy across Paymob, Fawry, Xpay, and a sophisticated WhatsApp notification system, all while generating compliant RTL Arabic contracts. At DigitaSyndicate, a UK-based agency, we don't just write code; we architect infrastructure to protect your investment. Our accountability within UK jurisdiction ensures stringent adherence to software integrity and comprehensive documentation tailored for smooth future maintenance and scalability. Have you considered how your existing PHP 5.2 data models will synchronise with the asynchronous webhook callbacks from diverse payment gateways without introducing race conditions or deadlocks? Casper M. DigitaSyndicate

@shabahathabib

Hello, I can bridge your Custom PHP 5.2 core to PHP 8.3 seamlessly while implementing a full end-to-end escrow and communication workflow tailored for your B2B marketplace. My solution will include: Escrow Workflow: Negotiation → Deposit → Proofing → Completion, with robust state management and error handling. Payment Integration: Paymob, Fawry, and Xpay fully integrated to process deposits, hold funds, and trigger releases within the escrow logic. Arabic PDF Contracts: Automatic, professionally formatted RTL PDFs capturing agreed terms and signatures. WhatsApp Automation: Status updates and “Smart Links” via UltraMsg/Twilio at every key step. Admin Panel: Full transaction oversight, pause/resume workflows, dispute resolution, refunds, and force releases. Technical Documentation: Detailed explanations of PHP 8.3 module integration, database migrations, endpoints, and webhook flow charts. I have extensive experience with B2B marketplaces, PHP upgrades, and regional payment gateway integration, ensuring a reliable, production-ready solution. The system will meet all acceptance criteria, including sandbox and live testing, correct PDF rendering, real-time admin updates, and comprehensive documentation. Ready to start immediately and deliver a fully tested, scalable, and documented escrow system. Regards, Shabahat Habib

@SEOGlobalLLC

Hello, We understand your B2B marketplace runs on a legacy PHP 5.2 core while new modules are being developed in PHP 8.3, and you need a seamless escrow workflow with payment integrations, Arabic contract generation, WhatsApp automation, and a full admin control layer. SEO Global Team has strong experience maintaining legacy PHP systems while building modern service modules, integrating regional gateways such as Paymob and Fawry, implementing escrow state machines, and generating RTL Arabic PDFs with automated messaging workflows. We will build a PHP 8.3 escrow module that connects safely to your existing core through structured endpoints, implement the negotiation-to-release lifecycle, integrate payment webhooks, generate Arabic contracts, and deliver clear technical documentation for long-term maintenance. Is the current PHP 5.2 core using a framework or fully custom architecture? Should the escrow module run as a separate service or inside the same codebase? Do you already have sandbox credentials for Paymob, Fawry, and Xpay? Best regards, SEO Global Team

@Rupal878

I can design the escrow workflow as a modular PHP 8.3 service layer that communicates with the legacy 5.2 core through controlled APIs or service endpoints. This approach avoids breaking the old system while allowing the new components escrow state management, payment processing, WhatsApp automation, and contract generation to run in a modern environment. The implementation would include Paymob, Fawry, and Xpay integrations, an RTL Arabic PDF contract generator, automated WhatsApp notifications, and an admin dispute-resolution panel. All components will be documented so another developer can understand how the new module connects to the legacy marketplace. Before we proceed, I have 3 quick questions: Is the PHP 5.2 core monolithic or partially modular, and does it already expose any internal APIs? Are Paymob, Fawry, and Xpay accounts already active with sandbox credentials available? Should the escrow module run as a separate service (recommended) or be embedded directly inside the legacy core? Looking forward to hearing back from you and discussing this in the chat. Portfolio: https://www.freelancer.in/u/Rupal878 Rupal Saini

@DigitalNightOwl8

Hi There , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in B2B Marketing, Website Design, Payment Gateway Integration, PHP, HTML and API Integration. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks