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I’m building a full-stack, fully secure money-exchange platform that spans Android, iOS, and a responsive website. The public landing screen must fetch and display up-to-the-second buy/sell rates even for guests, then invite them to sign in. Authentication will rely on Google Authenticator one-time codes; every sensitive endpoint must be locked behind this 2-factor flow. Once inside, customers need a clean dashboard where they can: • place buy orders • place sell orders • review a complete, filterable transaction history Behind the scenes I’ll need an admin console that lets me adjust spreads manually or, at the flip of a switch, pull live forex data from an API (feel free to recommend the most cost-effective feed). All price changes should propagate in real time to every client app. Data security is non-negotiable—please architect encrypted REST/GraphQL endpoints, token-based sessions, and role-based access for staff accounts. Source code must be clean, documented, and ready for future audits. Deliverables 1. Android and iOS apps (Kotlin/Swift or a robust cross-platform stack) pushed to the respective stores. 2. Dynamic website with the same core features and a mobile-first UI. 3. Admin backend/CMS, database schema, and API layer. 4. Deployment scripts and brief hand-off documentation. I value maintainability, so using mainstream frameworks (e.g., Flutter + Laravel, React Native + Node, or native stacks) is preferred as long as you can justify the choice. Let me know which architecture you propose, the security standards you follow, and a realistic timeline for an MVP launch.
ID Projek: 40219821
36 cadangan
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36 pekerja bebas membida secara purata ₹42,050 INR untuk pekerjaan ini

Hello We understand you need a clean, responsive Money Exchange website with live currency rates and an easy-to-use converter. We can build a fast, mobile-friendly platform with real-time API integration, clear UI, and an admin-friendly structure for managing content. Our team has experience developing utility-based web apps that combine accurate data handling with smooth user experience. Best regards, Ambient Infotech
₹9,500 INR dalam 5 hari
7.8
7.8

Hello, Your project aligns very well with my background. I have 5+ years of experience building secure full-stack financial and transaction-based platforms using Flutter + Laravel and React Native + Node.js, as well as native Android (Kotlin). I understand the importance of security, real-time data, and clean architecture for money-exchange systems. Proposed Architecture Mobile Apps: Flutter or React Native (single codebase for Android & iOS) Backend: Laravel or Node.js with encrypted REST/GraphQL APIs Database: PostgreSQL / MySQL with proper indexing & auditing Auth & Security: Google Authenticator 2FA, JWT tokens, encrypted sensitive fields, role-based access, rate limiting Live Rates: Integration with cost-effective forex APIs (e.g., Fixer, OpenExchangeRates, or similar) + WebSockets for real-time propagation What I’ll Deliver: Android & iOS apps with guest rate view, 2FA login, dashboard, buy/sell orders, and transaction history Responsive web app with same core features Admin panel to manage spreads, toggle live feeds, and monitor activity Clean, documented source code, DB schema, APIs, and deployment guides Timeline (MVP): ~10–12 weeks depending on final scope I focus on maintainable, scalable code and fintech-grade security practices. Happy to discuss details, refine scope, and start planning milestones. Best, Bhargav
₹7,000 INR dalam 7 hari
7.2
7.2

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹30,000 INR dalam 7 hari
6.6
6.6

As a highly skilled and experienced developer, specializing in full-stack mobile and web applications with high performance integrations and heightened security, your Money Exchange App & Website project aligns perfectly with my expertise. I understand that your project demands not only robust technological stack but also layers of encrypting security features to keep sensitive data safe. My experience at Google and Apple has formulated my approach around intelligence, efficiency, and long-term maintainability that fits perfectly with your project needs. To ensure the highest quality deliverables for your money exchange platform, I propose employing the powerful tandem of Flutter + Laravel that provide cross-platform efficiency blended with API development. This choice is in line with your preference for a modern architecture while ensuring the future scalability you desire. To address the crucial aspect of data security, I intend to apply token-based sessions and role-based access system along with substantive documentation enabling future audits.
₹150,000 INR dalam 7 hari
5.7
5.7

I can develop a Money Exchange App & Website with real-time rates, secure transactions, and a clean admin dashboard. I’ve built fintech and transaction-based platforms with strong focus on security, performance, and compliance-ready architecture. I can deliver: Web + mobile-ready money exchange platform Real-time exchange rate integration User verification & transaction tracking Admin panel with reports and controls I can start immediately and complete this efficiently with clear communication. Regards, Bharti M If the client mentions specific APIs, currencies, or compliance needs, I can tailor this bid even tighter.
₹57,000 INR dalam 7 hari
4.1
4.1

Hello, By entrusting me with your Money Exchange project, you're guaranteed expert level proficiency in API Development, JavaScript, Mobile App Development, PHP, and Web Development. Over the years, I have accumulated hands-on experience using these skills to produce efficient and high-functioning platforms exactly as specified by my clients. I’ll apply this same level of dedication and craftsmanship when incorporating the necessary features such as up-to-the-minute rate data fetching for guests and two-step authentication using Google Authenticator to maintain maximum security. Furthermore, I am particularly adept at employing the safest frameworks and technologies like Flutter, Laravel, MongoDB and other mainstream stacks to ensure that your project can be efficiently maintained in the long run without compromising on security or performance. Speaking of security, I fully understand the critical importance of a secure system; that is why I'm well-versed in creating encrypted REST/GraphQL endpoints with token-based sessions and role-based access to secure sensitive information from unauthorized access. Reap the benefits my end-to-end services offer by giving me this golden opportunity! Thanks, Arshiya
₹12,000 INR dalam 7 hari
4.0
4.0

Hi, I can design and build a secure end-to-end money exchange platform covering Android, iOS, and a responsive web app. I’d propose Flutter for mobile + Laravel/Node.js for backend, with encrypted APIs, token-based auth, Google Authenticator 2FA, and role-based access. Live forex rates can be integrated via a reliable, cost-effective API with real-time propagation. I focus on clean, auditable code and can deliver a solid MVP with full admin controls and deployment support within a realistic timeline. Happy to discuss architecture and security standards in detail. Regards Shailendra!
₹7,000 INR dalam 7 hari
3.3
3.3

Hi there, I saw your post for the Money Exchange app and website. Handling currency and transactions requires a lot of precision, and that’s exactly what I specialize in. I can build you a platform that is: Fast & Accurate: Real-time exchange rates that update without lag. Secure: Solid encryption and KYC features so your users feel safe. Simple to use: A clean interface for both the mobile app and the web dashboard. I’ve worked on fintech projects before, so I understand how to manage the backend logic to ensure every cent is accounted for. Quick question: Do you already have a preferred API for the live exchange rates, or would you like me to suggest a few reliable options? I’m available to start right away and would love to chat more about your vision. -Tamanna
₹5,000 INR dalam 4 hari
0.4
0.4

Hi, this is a well-thought-out brief and you’re right to emphasize security and maintainability — that’s where most exchange platforms fail early. What you’re really building here is a secure, real-time pricing system with authenticated trading flows across web and mobile, plus an admin layer that controls spreads and data sources. The main risks are authentication correctness, data consistency across clients, and keeping the architecture clean enough for audits and future scale. My approach would be to start with a **secure MVP**: a shared backend (API + database), real-time rate updates, Google Authenticator–based 2FA, customer dashboard (buy/sell + history), and an admin console for spread control and forex feed integration. I’d recommend a mainstream stack (for example, React/Flutter on the client side with a Node/Laravel backend) and follow token-based auth, encrypted endpoints, and strict role separation from day one. Given the scope, I’d suggest building this in phases. I can deliver a solid MVP foundation first, then expand to full mobile store releases. For the MVP phase, I can do this for **₹12,500**, with a clear architecture, clean code, and handover documentation. Happy to discuss timelines and stack choices before starting. If this sounds aligned, let’s talk through the MVP scope first.
₹12,500 INR dalam 7 hari
0.0
0.0

Hi, I can build your money exchange platform as a secure, scalable full-stack system covering Android, iOS, and web. For speed and maintainability, I recommend Flutter (single codebase for Android/iOS) + React (web) + Node.js/NestJS or Laravel backend + PostgreSQL, deployed on AWS or DigitalOcean with CI/CD pipelines. Security will be first-class: • Google Authenticator (TOTP) based 2FA on all sensitive endpoints • JWT-based token sessions with refresh flow • Encrypted REST APIs (HTTPS + HSTS) • Role-based access control (admin/staff/user) • Rate limiting, request validation, and audit logging • Encrypted data at rest and secure password hashing Public users will see real-time buy/sell rates (WebSocket or SSE). Admin can switch between manual spread control and live forex API (I can suggest cost-effective providers like ExchangeRate-API, Open Exchange Rates, or Fixer depending on update frequency and budget). All price updates will propagate instantly across apps. Customer dashboard will support buy/sell orders, live rate locking (optional), and filterable transaction history. Admin panel will manage spreads, user roles, transaction logs, and reporting. Deliverables include full source code, database schema, API documentation, deployment scripts, store publishing support, and handover documentation. Estimated MVP timeline: 6–8 weeks depending on final feature scope. I’m ready to discuss milestones and security model in detail.
₹7,000 INR dalam 7 hari
0.0
0.0

Hello , We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on PHP, JavaScript, Mobile App Development, Android, Kotlin, Web Development, Security, API Development Lets connect in chat so that We discuss further. Thank You
₹1,500 INR dalam 7 hari
0.1
0.1

WEBSITE DEVELOPMENT PROPOSAL We offer professional website development services to help improve your brand image, credibility, and online presence. Scope of Work Modern & responsive website design Pages: Home, About Us, Services/Products, Gallery, Contact Contact form & WhatsApp integration Basic SEO optimization Easy-to-use admin panel
₹7,000 INR dalam 7 hari
0.0
0.0

As an experienced developer with a strong portfolio, I'm confident in tackling the complexity of your Money Exchange App & Website. My skillset in Android, JavaScript, PHP and more, makes me the ideal candidate for your comprehensive project's needs. Data security is paramount and I'm fully comfortable constructing the secure REST/GraphQL endpoints, token-based sessions, and role-based access you require. In past projects, I've successfully implemented similar secure systems ensuring user data remained protected using encryption. Beyond security features, I can provide clean, well-documented source code that will make future audits or maintenance a breeze. Utilizing mainstream frameworks is something I also value - it maximizes maintainability. I will propose the most suitable architecture (Flutter + Laravel, React Native + Node, or native stacks) based on your specific circumstances. Additionally, my familiarity with Google Authenticator one-time codes will allow for seamless 2-factor process into the app. Lastly, your timeline is my priority - to ensure an MVP launch without compromising quality or security. With over 7 years in development including at an IT company and 100% client satisfaction guarantee; a smooth collaboration experience is guaranteed!
₹1,500 INR dalam 1 hari
0.0
0.0

We’ve just completed a similar project, developing a multi-platform financial service app with secure user authentication and real-time data updates. We can help build your money-exchange platform with robust, encrypted APIs, seamless two-factor authentication, and synchronized buy/sell functionalities across mobile and web. Our approach ensures live pricing feeds, user-friendly dashboards, and a secure, easy-to-manage admin console. I’d be happy to discuss your project, at the very least, you'll receive a free consultation. Regards, Micheila
₹9,400 INR dalam 14 hari
0.0
0.0

Ever wondered how to ensure seamless and secure money exchanges while keeping users engaged? I can help you create a full-stack platform that does just that. I’ll architect a money-exchange app and website that fetches real-time buy/sell rates, making it effortless for users to interact. Implementing two-factor authentication with Google Authenticator will keep user data secure, while a clean dashboard provides easy access to buying, selling, and transaction history. For admin functions, I’ll set up an intuitive console that allows for quick adjustments and integrates a reliable forex data feed. Utilizing frameworks like Flutter with Laravel or React Native with Node will ensure maintainability and a robust codebase ready for future enhancements. I have extensive experience in building secure applications and API integrations, making me the perfect fit for this project. Let’s make this happen!
₹8,000 INR dalam 5 hari
0.0
0.0

I recently completed a project just like this. We helped a client launch a secure multi-platform finance app with real-time data and two-factor authentication, ensuring a seamless user experience across mobile and web. I specialize in building full-stack apps using React Native with Node.js for scalable, maintainable architectures, prioritizing encryption, token-based sessions, and role-based access control. Because I am new to Freelancer, my services are at a reduced rate for a limited amount of first clients to build my credibility and build long-lasting relationships. I’d love to chat more about your project! Kind Regards, Josh.
₹9,400 INR dalam 7 hari
0.0
0.0

Hello This is a serious, security-critical platform, and I can help you build it with the right architecture, safeguards, and scalability from day one. I have experience working on financial and transaction-based systems across mobile and web, where security, real-time data, and clean code are non-negotiable. Proposed Architecture (MVP-Friendly & Scalable) Frontend: Mobile: Flutter or React Native (single codebase for Android & iOS) Web: React (mobile-first, responsive) Backend: Node.js / Laravel with REST or GraphQL APIs JWT + refresh tokens with strict role-based access Security: Google Authenticator–based 2FA for all sensitive actions TLS for all traffic, encrypted data at rest Proper audit-friendly code structure Core Features Public landing page with live buy/sell rates (guest access) Secure login with 2FA User dashboard: buy orders, sell orders, transaction history Admin panel to manage spreads or switch to live forex APIs Real-time rate updates across apps & website Clean, documented, maintainable codebase Deliverables Android & iOS apps Responsive website Admin backend + database schema API layer with security best practices Deployment scripts & handover documentation Timeline A realistic MVP can be delivered in 6–8 weeks, depending on final scope and compliance requirements. I value long-term maintainability and will clearly justify every technical choice. Happy to discuss architecture, APIs, and security standards in detail.
₹1,500 INR dalam 7 hari
0.0
0.0

Hi, I’d love to help you with this project. I have 4+ years of experience in mobile app development and have worked on scalable, production-ready applications. I focus on: • Clean and maintainable code • Performance optimization • Smooth UI/UX • On-time delivery I believe in clear communication and long-term collaboration. Let’s connect to discuss your requirements in detail. Best regards, Yogesh
₹7,000 INR dalam 7 hari
0.0
0.0

New Delhi, India
Ahli sejak Feb 10, 2026
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