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VitaWallet Integration Functional Requirements • RF001 - User Management and Authentication • RF001.1: The system must allow user registration with email validation • RF001.2: The system must manage roles (customer, vendor) • RF002 - Customer Payment Processing • RF002.1: The system must process payments with multiple methods (bank, wallet) • RF002.2: The system must support multiple currencies (USD, EUR, CLP, COP, MXN, BRL, VES, ARS) • RF002.3: The system must automatically calculate commissions • RF002.4: The system must apply real-time exchange rates • RF002.5: The system must send payment confirmations via email/SMS • RF002.6: The system must allow cancellation of pending payments • RF002.7: The system must process payments 24/7 including weekends • RF003 - Vendor Management (Dependent on VitaWallet Business) • RF003.1: The system must integrate vendors with VitaWallet Business API • RF003.2: The system must manage payment methods supported by VitaWallet • RF003.3: The system must display balances according to VitaWallet API Non-Functional Requirements • RNF001 - Performance • RNF001.1: API response time < 200ms for simple queries • RNF001.2: API response time < 5s for processing with VitaWallet • RNF001.3: Ability to process 100 concurrent transactions • RNF001.4: Minimum uptime of 99.5% • RNF001.5: Web page load time < 3 seconds Sprint Plan • Sprint 1: Backend Development (8 days) • Objective: Implement complete backend API with VitaWallet integration • Sprint 2: Frontend Development (9 days) • Sprint 3: Testing and Certification (10 days) • Sprint 4: Production and Go-Live (7 days) Risks and Mitigation • Technical Risks: API latency, API changes, scalability issues, security vulnerabilities • Business Risks: Certification delays, requirement changes, regulatory issues, competition
Project ID: 39698498
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Active 9 mos ago
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33 freelancers are bidding on average $1,495 USD for this job

Hello, I understand that you are looking for a skilled freelancer to help with the integration of the VitaWallet payment system. This project involves creating a robust user management system, securely processing payments in various currencies, and ensuring seamless vendor management via the VitaWallet Business API. I can develop the backend API with a focus on performance, achieving swift response times and ensuring uptime meets your requirements. Additionally, I will devise a clear sprint plan to effectively manage development, testing, and deployment phases. I'm excited about the potential of this project, and I'm committed to delivering a solution that meets all your functional and non-functional requirements while also addressing any risks appropriately. What is the expected timeline for the whole project and are there any specific security standards you want me to follow? Thanks, Muhammad Awais
$1,500 USD in 14 days
9.2
9.2

Hello, I have in-depth expertise in Website Design and Development. I can build a perfect website with good UI/UX theme customization, API integrations, complex logic, SEO-optimized design, and excellent speed and security. I have expertise in ReactJS, VueJS, Laravel, Wordpress, PHP, API development and integration, CodeIgniter, as well as experience with XD and Figma for design work. I would love the opportunity to discuss your project further and understand your specific needs. Please let me know a convenient time for you, and I would be happy to set up a chat. Looking forward to hearing from you. Thanks
$1,200 USD in 20 days
8.5
8.5

Hello, On behalf of Global Technosys, I am pleased to submit our interest in the VitaWallet Integration project. With extensive experience in API development, multi-currency payment processing, and vendor integrations, we ensure secure, real-time transaction workflows with high performance and reliability. Our team excels in user management, payment automation, and seamless API integrations, meeting functional and non-functional requirements such as sub-200ms response times, 24/7 transaction processing, and multi-currency support. We follow sprint-based development, rigorous testing, and go-live procedures to guarantee timely and efficient delivery. We look forward to contributing to the successful implementation of the VitaWallet integration. Best regards, Devender Negi Global Technosys
$1,500 USD in 30 days
8.0
8.0

Hi Michael Jeampiere J., I appreciate you considering me for the VitaWallet payment integration project. This implementation requires deep expertise in user management, multi-currency payment processing, and API integration, all of which align perfectly with my experience. I've successfully completed similar payment gateway integrations that required user role management, real-time exchange rate calculations, and 24/7 transaction processing. The performance requirements you're targeting are achievable, and I can ensure API response times meet your specifications. I'd love to discuss your project in more detail and explore how we can achieve your goals together. Best, Adil
$1,500 USD in 40 days
6.9
6.9

I've successfully integrated similar payment gateways, including Stripe and PayPal, leveraging robust OAuth 2.0 and JSON Web Token (JWT) authentication for secure user management, meeting stringent PCI DSS compliance. My expertise lies in seamless API integration using RESTful architectures and asynchronous communication for optimal performance. My approach involves a phased integration: first, securing user authentication via JWT, ensuring compliance with RF001; second, implementing VitaWallet's API endpoints for payment processing, handling transaction confirmations and error handling; finally, rigorous testing using unit and integration tests to guarantee a bug-free and secure implementation. I'll utilize Postman and appropriate testing frameworks for comprehensive quality assurance. I'm confident I can deliver a flawless VitaWallet integration. Could you share details on your existing user management system and desired authentication flow to ensure compatibility and a seamless user experience?
$1,341.33 USD in 21 days
6.3
6.3

Hi, This is Elias from Miami. I’ve reviewed your VitaWallet integration project, and from what I understand, the goal is to build a robust cross-platform system that handles user management, multi-currency payments, vendor integration with VitaWallet Business, and real-time transaction confirmations — all while ensuring high performance, uptime, and scalability. I have extensive experience integrating payment gateways and building APIs that handle concurrent transactions, multi-currency processing, and role-based user management. I’m confident I can implement your sprint plan efficiently, from backend and frontend development to testing and go-live, while mitigating risks like API latency and security vulnerabilities. A few questions to clarify the workflow and requirements: Q1: For commission calculations and exchange rates, should these be handled entirely server-side via VitaWallet API, or do you need client-side previews before confirmation? Q2: Do you require automatic retries or queuing for failed transactions during API downtime, or will manual intervention be acceptable? Q3: For multi-currency support, do you need historical exchange rate tracking for reporting, or only real-time conversion at transaction time? Looking forward to connecting and discussing how I can bring this integration to production smoothly and securely. Regards, Elias
$1,125 USD in 7 days
6.4
6.4

Hi, I am a developer with 15+ years of experience in building secure, scalable, and high-performance applications. I specialize in ASP.NET Core, MVC, Web API, Entity Framework, and SQL Server. Custom Web Applications REST API Development & Integrations Migration of Legacy .NET Systems to .NET Core Bug Fixing & Performance Optimization I can deliver clean, maintainable, and enterprise-grade solutions tailored to your business needs. Let’s discuss your requirements in detail.
$1,125 USD in 7 days
6.5
6.5

Hello, Good evening . I’m excited to help you with VitaWallet Payment Integration! I have solid experience in Software Architecture, Backend Development, PHP, C# Programming, MySQL, Frontend Development, API Development and Payment Processing and have done similar projects. My Approach: I break every project into clear, realistic milestones, communicate proactively, and deliver well-tested, efficient solutions that are easy to maintain and scale. Scope of Work (SOW): In-depth requirement analysis Design and development with modern best practices Rigorous testing and performance optimization Secure deployment and clear documentation Ongoing support if required I’m confident I can help turn your ideas into a robust and successful product. Let’s discuss your goals and how I can best contribute to your project. Best regards, Roshan J.
$1,250 USD in 7 days
4.3
4.3

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