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I need to wire my existing mobile app to Payoneer so users can send Payoneer-to-Payoneer transfers directly inside the app. The core objective is simple: once a customer taps “Pay with Payoneer,” the flow should authenticate their Payoneer account, process the payment, and return a clear success or failure response that I can capture in the app’s UI. The app is already live for iOS and Android; what’s missing is the Payoneer payment layer. You’ll work with my React Native front-end and a Node.js/Express back-end (both on GitHub) and handle everything from generating the API tokens to posting the transaction and confirming the callback. I’ll supply sandbox credentials the moment we start. Deliverables • Fully documented Payoneer integration module (front-end hooks + back-end endpoints) • Environment-specific config so I can switch between sandbox and production with one flag • A quick README showing setup, test payment steps, and any required Payoneer dashboard settings • Short video or screenshots proving a successful Payoneer-to-Payoneer transfer on a test account I’ll consider the job complete once I can clone the repo, drop in my production keys, and run one live transfer without errors. If you have previous Payoneer API experience or live links to apps where you handled the same flow, share them and let’s get started.
Mã dự án: 40303997
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92 freelancer chào giá trung bình $161 USD cho công việc này

Hello, I am highly experienced as an AI Engineer with a solid background in Python and building multi-agent systems for scalable applications. I am confident I can help you design and implement robust multi-agent workflows for your Fintech/Mobile Money products. Here's my approach: ⏩ Design & Implementation • Develop agentic workflows using frameworks like Perplexity Computer, OpenClaw, or similar technologies. • Build predictive model modules tailored to each agent's tasks, ensuring scalability and computational efficiency. ⏩ Backend Integration & Performance • Collaborate with your backend team to ensure seamless integration into the existing system. • Focus on low latency and high load capacity for the best user experience. ⏩ Documentation & Benchmarking • Write detailed technical documentation, deployment guides, and benchmarking procedures for future maintenance. • Provide load testing reports and optimization recommendations to improve performance. ⏩ Required Skills & Tools • Proficiency in Python and experience with multi-agent frameworks. • Familiar with microservices architecture, Docker/K8s, and cloud technologies (AWS/GCP). • Previous projects optimizing throughput or cost are available in my portfolio. ⏩ Deliverables • Multi-agent architecture design with data flow diagrams. • Complete source code in a containerized format (via Docker). • Load testing reports and optimization recommendations. Thank you
$140 USD trong 7 ngày
8,4
8,4

Your app is live the only missing piece is the Payoneer payment layer. We work in React Native and Node.js/Express daily, and Payoneer's OAuth token flow, transaction posting, and callback handling are specific enough that hands-on API experience matters here. We know where the documentation leaves gaps. Back end endpoints handle token generation, payment initiation, and callback processing. React Native hooks wire the "Pay with Payoneer" trigger cleanly to your existing UI success and failure states handled properly. Sandbox to production switch is a single config flag, no code changes needed. README, test steps, and a short video proving a successful P2P transfer on sandbox all included before handover. Your acceptance criteria: clone repo, drop in production keys, one live transfer, no errors. That's exactly how we'll verify completion. Plan D Studios 12+ years building API integrations and custom payment flows. All in house. One question: is your Payoneer merchant API access already approved, or still pending? Let's get it wired. Message us. Regards, Haider
$300 USD trong 4 ngày
7,3
7,3

Hi, Your requirement to integrate Payoneer payments inside an existing React Native app with a Node.js/Express backend is clear, and I have strong experience implementing secure payment gateway integrations in MERN/MEAN and React Native applications. I’m a Full Stack Developer with 5+ years of experience in MERN, MEAN, React Native, and Node.js, and I have integrated payment systems such as Razorpay, Stripe, and other API-based payment services, including secure token generation, transaction processing, and callback handling. For your project I can handle: Payoneer API integration with secure authentication and token handling Implementing Payoneer-to-Payoneer transfer flow inside the React Native app Creating Node.js/Express endpoints to process transactions and verify responses Handling success/failure callbacks and returning clear responses to the app UI Building environment-based configuration to easily switch between sandbox and production Providing clean documentation and README with setup steps and test instructions I will also provide screenshots or a short demo proof of a successful sandbox transfer, ensuring the integration works smoothly before you move to production. My focus is secure payment handling, clean API architecture, and reliable transaction flow so you can run live transfers without errors. Looking forward to discussing the integration details. Best regards. Bhargav
$140 USD trong 7 ngày
7,1
7,1

Dear Client, As the lead developer at a firm specializing in mobile app development, I can confidently assure you that I have the relevant skills and experience necessary for this project. Not only do I have extensive knowledge and hands-on experience with Payoneer API integration, but also with both your React Native front-end and Node.js/Express back-end - an important aspect for this project. My team and I understand the importance of a seamless payoneer payment flow within an existing mobile app. We'll ensure that your customers can authenticate their Payoneer accounts, process payments, and receive clear responses in real-time without any friction. Furthermore, we'll provide comprehensive documentation with environment-specific configurations to facilitate easy switching between sandbox and production modes. In addition to our technical skills, our collaborative approach is another strength we bring to the table. We'd be glad to hold occasional workshops or offer guidance to help you leverage this platform fully even after launch. Choose us for a top-notch service delivered on time and within budget. Thank you!!!
$250 USD trong 7 ngày
7,0
7,0

With my team at Einnovention, we understand your need for a seamless mobile pay integration, and we have the skills and experience to make it happen. As an accomplished Mobile App Developer with deep expertise in API Integration and GitHub, I'm confident that I can successfully link your existing mobile app with Payoneer. Notably, we've integrated various payment gateways into different apps, ensuring transactions are secure, authenticated, and prompt; a perfect match for your requirements. Our proficiency extends to JavaScript utilized both on the front end and back end which is pivotal to your project. We've also utilized Node.js/Express effectively offering scalability, efficiency and security; all of these techniques were employed in a similar project to yours documented on GitHub. Given this background, we assure you a fully-functional delivery including environment-specific configurations within the stipulated time.
$140 USD trong 7 ngày
6,8
6,8

Hello Expert in Payoneer mobile integration. I will seamlessly integrate Payoneer's APIs into your existing application, enabling secure and efficient payment processing for your users. My focus is a robust, smooth implementation. Ready to discuss your specific requirements and deliver a swift, reliable solution. Giáp Văn Hưng
$250 USD trong 7 ngày
6,5
6,5

Done a few payment gateway integrations in React Native + Node/Express apps before - Stripe, PayPal, and a couple of less common ones. Payoneer's API is straightforward once you get the OAuth token flow right. For the backend I'd set up the token generation, payment initiation, and webhook callback endpoints. On the React Native side, a clean hook that handles the auth flow and payment status polling. Environment switching with a single config flag like you described is easy. I can have this done in about 4-5 days including sandbox testing and documentation. Happy to jump on a quick call to see the existing codebase structure first. - Usama
$200 USD trong 5 ngày
6,4
6,4

Hi! I understand you want to enable Payoneer-to-Payoneer transfers directly inside your React Native app, with secure authentication, transaction processing, and clear success/failure responses handled through your Node.js/Express backend. I can implement the full Payoneer API integration, including token generation, payment requests, callback handling, and environment configs so switching between sandbox and production is seamless. I’ll also provide a clean README, setup guide, and proof of a successful test transfer so you can run live payments confidently. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
$200 USD trong 7 ngày
6,4
6,4

Hi There!!! ★★★★ (Payoneer Payment Integration for Mobile App) ★★★★ I’ve read your project and understand you need to integrate Payoneer payments into your existing iOS and Android app built with React Native and Node.js/Express, allowing users to send Payoneer-to-Payoneer transfers with clear success/failure responses. ⚜ Implement Payoneer authentication and transaction flow ⚜ Connect React Native front-end with Node.js/Express back-end ⚜ Handle API tokens, posting transactions, and callbacks ⚜ Environment-specific config for sandbox and production ⚜ Fully documented integration module ⚜ README with setup, test steps, and Payoneer dashboard instructions ⚜ Screenshots/video showing successful test transfers I have experience with payment API integrations in mobile apps and will ensure a smooth, tested flow. I’ll deliver a ready-to-use module so you can run live transfers without errors. Happy to start asap. Warm Regards, Farhin B.
$110 USD trong 10 ngày
6,5
6,5

Hi, We’ve integrated multiple payment gateways with React Native apps, including Stripe, PayPal, and Razorpay. We’ve also developed fully functional apps with end-to-end payment flows, so we understand the importance of delivering a seamless experience. With our expertise in both React Native and Node.js, we can handle the entire process—from front-end UI to back-end server logic—ensuring everything works smoothly together. Let’s schedule a 10-minute 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, Adil
$169,63 USD trong 7 ngày
6,2
6,2

I have extensive experience in mobile development and am excited about Mobile Payoneer Payment Integration.
$1.200 USD trong 5 ngày
6,3
6,3

Hi, I understand you need seamless Payoneer pay-integration within your existing React Native and Node.js mobile app for instant Payoneer-to-Payoneer transfers. Your goal is a smooth payment flow with reliable authentication, clear success/error responses, and environment-specific config. Leveraging my expertise in mobile payment APIs and React Native, I will build a fully documented module with front-end hooks and back-end endpoints, ensuring secure token generation, transaction processing, and callback handling. I’ll ensure easy sandbox/production toggling and provide a README plus test proof. My ready-made Flutter property platform showcases my built-for-scale mobile payment integration approach, so you gain time and cost savings. I can deliver in 18 days. Let’s discuss your sandbox details and next steps! What are the key challenges or customizations you foresee in integrating Payoneer with your current app stack? Thanks, Muhammad
$200 USD trong 18 ngày
6,7
6,7

Hello, I’ve gone through your project details, and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, specializing in React Native and Node.js, which perfectly aligns with your needs for integrating Payoneer payment functionality. My approach will prioritize clean architecture and ensure a seamless payment flow so your users can easily execute Payoneer-to-Payoneer transfers without any hiccups. I will work on generating the necessary API tokens, implementing the front-end hooks, and backend endpoints to fully document the Payoneer integration. Additionally, I’ll provide environment-specific configurations to switch between sandbox and production smoothly. Here is my portfolio for your reference: https://www.freelancer.in/u/ixorawebmob. I’m eager to understand more about your app and its requirements. Could you clarify whether you already have an API roadmap for Payoneer integration or if you're looking for guidance from scratch?Could you clarify whether you already have an API roadmap for Payoneer integration or if you're looking for guidance from scratch? Let’s discuss over chat! Regards, Arpit Jaiswal
$155 USD trong 25 ngày
7,4
7,4

Hello We reviewed your requirement for Payoneer payment integration in an Angular app. Integrating Payoneer typically involves working with their API/SDK to securely handle payouts, wallet transfers, and transaction status updates from within your mobile or web application. Ambient Infotech has strong experience in payment gateway integrations and Angular development. We can integrate Payoneer into your app with secure API calls, proper authentication, callback handling, and responsive UI elements that let users make or receive payments smoothly. Quick question: are you targeting mobile (Ionic/Angular) or web (Angular SPA) for this integration? Best regards, Ambient Infotech
$140 USD trong 5 ngày
6,1
6,1

Hello, I’m a **full-stack developer with 6+ years of experience** integrating payment gateways in mobile apps using **React Native and Node.js**. I can implement the **Payoneer-to-Payoneer payment flow**, including secure authentication, API token generation, transaction processing, and callback handling. You’ll receive a **fully documented integration module, environment configuration for sandbox/production, and test proof of successful transactions**. I’ll ensure the payment flow works smoothly within your existing app UI and backend.
$30 USD trong 7 ngày
5,3
5,3

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I ensure clear communication, continued support after delivery, and 100% client satisfaction. I specialize in Mobile App Development, creating fast, user-friendly, and feature-rich apps for both Android and iOS. My focus is on modern UI/UX, API integration, real-time features, and cross-platform compatibility, ensuring your app is scalable and future-ready. If you are looking for a dedicated Mobile App Developer who delivers quality, innovation, and timely results, I’d be happy to bring your project to life. Best regards,
$100 USD trong 7 ngày
5,5
5,5

Hello, I’m excited about the opportunity to contribute to your project. With my expertise in **React Native**, **Node.js/Express**, **API integration**, **payment processing**, and secure **mobile-backend transaction flows**, and a strong focus on clean, scalable implementation, I can deliver a reliable **Payoneer integration module** that handles authentication, token generation, transfer requests, callback confirmation, and clear success/failure responses across your iOS and Android app. I’ll tailor the work to your exact requirements, ensuring sandbox/production environment switching, documented front-end hooks and backend endpoints, secure config handling, and a reproducible setup that lets you move from test to live transfers with minimal effort. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$140 USD trong 1 ngày
5,3
5,3

Hi, I checked your requirement for integrating Payoneer-to-Payoneer transfers inside your existing mobile app. I can build this with a clean integration layer so that users can complete Payoneer payments seamlessly, and you’ll get clear success/failure responses captured in the app UI. I’ll also provide fully documented front-end hooks, backend endpoints, sandbox/production switching, and a quick setup guide with test instructions. I can start immediately and share progress regularly, including a short video or screenshots proving successful test transfers. Let me know if you’d like to discuss the details. Thanks
$80 USD trong 2 ngày
4,9
4,9

❗❕‼️⁉️ Hello ⁉️‼️❕❗ I understand you need Payoneer-to-Payoneer payment functionality integrated into your existing React Native mobile app with a Node.js/Express backend, including authentication, transaction processing, and callback handling. I HAVE SOME QUESTIONS REGARDING THE PROJECT SEND ME A MESSAGE FOR MORE DISCUSSION ❗❕❗❕❗❕ ➷➷➷ ⇆ ⇆ ⇆ ★ Integrate Payoneer API with React Native front-end payment flow ★ Implement secure authentication and token generation on Node.js backend ★ Build transaction endpoints for Payoneer-to-Payoneer transfers ★ Handle callbacks and return clear success/failure responses to the app UI ★ Create environment config to switch between sandbox and production ★ Provide fully documented integration module and clean Git commits ★ Deliver README with setup steps and demo proof of successful transaction ⇆ ⇆ ⇆ ➷➷➷ With 7+ years of experience in mobile apps, Node.js backends, and payment gateway integrations, I have implemented secure payment systems and API-based transaction flows in production apps. First, I will review your GitHub repo and Payoneer API requirements. Then implement backend endpoints and React Native hooks for payments. Finally test sandbox transactions and provide full documentation. Let’s connect so you can share repository access and sandbox credentials. Best Regards, Shaiwan Sheikh
$119 USD trong 7 ngày
5,1
5,1

Your project risks subtle transaction failures if the callback handling and token lifecycle are not meticulously managed within your React Native Node.js architecture. At DigitaSyndicate, a UK-based agency, we don't just write code; we architect infrastructure to protect your investment, ensuring every API interaction is resilient and locally accountable with rigorous UK data governance. Have you mapped out the asynchronous handling of Payoneer callbacks to prevent race conditions or lost confirmations that could desynchronise your UI's payment state from backend realities? Casper M. DigitaSyndicate
$200 USD trong 14 ngày
4,9
4,9

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