GPay Style Money Transfer App

@Microlent

This looks straightforward at first, but in my experience there’s usually a key detail that can cause issues later. I’ve handled similar projects before and can outline a practical approach for you. For similar work and case studies, feel free to check my profile: https://www.freelancer.com/u/Microlent Let me know if you I'd like me to walk you through the plan. – Rajesh Rolen

@ominfowave

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.

@joomextensions

I've built fintech and payment apps using Flutter and React Native, and I can deliver your GPay-style transfer app within your 4-week timeline. I'll implement phone/OTP authentication, contact picker for quick recipient selection, a clean UPI-style transfer screen with amount and note fields, instant confirmation, and searchable transaction history. The backend will expose a secure REST API with encrypted data in transit and at rest, tokenized payments, and KYC hooks for future verification. I recommend Flutter for a single codebase on both iOS and Android. Testable sandbox build in 2 weeks, store-ready by week 4. Regards, Harsh Thoriya

@ambientinfotech

Hi, I can help you build a high-quality Flutter mobile application with clean UI/UX, fast performance, and scalable architecture. I have strong experience in Flutter app development, API integration, Firebase, custom backend systems, ERP/CRM integration, and eCommerce/mobile solutions. ✅ Cross-platform Android & iOS apps ✅ Clean and responsive UI/UX ✅ API & payment gateway integration ✅ Admin panel & backend support ✅ Fast communication & on-time delivery ✅ Long-term maintenance support I focus on delivering stable, user-friendly, and production-ready applications with complete client satisfaction. Let’s connect and discuss your project requirements in detail. Thanks,

@vishal1145

Your 4-week timeline for a PCI-DSS compliant payment app is aggressive but doable if we scope the MVP correctly. The real risk here is underestimating payment gateway integration complexity - sandbox testing often hides rate limits, webhook failures, and reconciliation edge cases that break production launches. Quick question - which payment gateway are you planning to use (Stripe, Razorpay, PayU)? Their sandbox behaviors differ significantly, and some require 2-3 days just for merchant account approval. Also, are you handling actual money movement in phase 1, or is this a ledger system where real settlement happens off-platform? Here's the architectural approach: - FLUTTER + DART: Single codebase for iOS and Android with platform-specific modules for biometric auth and contact access, cutting development time by 40% versus native. - FIREBASE AUTH + TWILIO: Phone/OTP flow with rate limiting to prevent SMS bombing attacks and token refresh handling for 30-day sessions. - NODE.JS + POSTGRESQL: REST API with row-level security policies, transaction isolation to prevent double-spending, and audit logs for every balance change. - STRIPE CONNECT or RAZORPAY: Tokenized card storage, idempotent transaction keys to handle network retries, and webhook signature verification to prevent spoofing. - AWS KMS: Encrypt PII and transaction data at rest, TLS 1.3 for transit, and separate staging/production key rotation policies. I've built 2 fintech apps that processed $4M+ in transactions - one React Native remittance platform and one Flutter micro-lending app. Both passed security audits and are live on both stores. The common failure pattern I see is teams rushing KYC integration without planning for document rejection workflows, which causes 30% drop-off rates. Let's schedule a 20-minute call to walk through your payment flow diagram and confirm gateway capabilities before I start architecting the backend schema.

@technologiesit

With over a decade of experience in successful project delivery, I bring a wealth of expertise to the table for your GPay-style money transfer app. I have a particularly deep familiarity with both iOS and Android platforms, having worked extensively in Swift, Kotlin, PHP and React Native. This breadth of knowledge will allow me to ensure smooth cross-platform functionality, maximizing user experience on both platforms. Regarding security and compliance, I have prior experience developing fintech apps that are PCI-DSS aligned for secure handling of card and bank credentials. Encrypting data both in transit and at rest and tokenized payments will all be part of my process for your app. Furthermore, my vast experience allows me to prioritize both speed and quality in project delivery. I am confident that I can provide you with a testable build within two weeks and completely polish, store-ready binaries by the end of week 4. In addition, as a freelancer providing long-term support, I can ensure any issues which might surface after deployment are resolved swiftly and effectively. Ultimately, partnering with me will allow you to turn your vision into a finely-tuned reality in record time - let us drive success together!

@webnsoftindia

Hello, I can develop a secure and scalable GPay-style Money Transfer App with a modern UI and seamless payment experience. The app can include features such as: User Registration & KYC Bank Account Linking UPI / Payment Gateway Integration Send & Receive Money QR Code Payments Transaction History & Passbook Push Notifications Wallet Management Admin Dashboard Advanced Security (OTP, Biometric Login, Encryption) I will build a responsive Android/iOS application using Flutter or React Native with a robust backend (Node.js, Laravel, or Django) and secure payment APIs. I would be happy to discuss your requirements and provide a detailed roadmap, timeline, and cost estimate. Best Regards, web n soft solution

@mayankinnovative

Hello, I reviewed your GPay Style Money Transfer App project and can help build a secure, scalable mobile payment platform with a modern user experience similar to leading digital wallet applications. My experience includes React Native, Flutter, Node.js, payment integrations, API development, secure authentication, wallet systems, and real-time transaction management. For this project, I can help develop: • User registration and secure authentication • Wallet and balance management • Money transfer functionality • Transaction history and tracking • Bank account integration • Push notifications • QR code payments (if required) • Admin dashboard and reporting • Secure API architecture • Mobile-friendly and intuitive UI My approach is to first understand the complete transaction workflow, compliance requirements, and payment ecosystem before building a secure and scalable architecture that supports future growth. Technical stack: • React Native / Flutter • Node.js / Laravel • MySQL / PostgreSQL • REST APIs • Firebase • Payment Gateway Integrations A few questions: • Do you already have UI/UX designs available? • Will this connect to existing banking/payment APIs? • Is KYC verification required? • Do you need Android only or Android and iOS? I am available to start immediately and can deliver a clean, secure, and maintainable solution with proper documentation and ongoing support. Thanks

@mykhaylob4

✋ Hi there. I can build your GPay-style money transfer app for iOS and Android with OTP login, contacts access, secure transfers, and instant transaction history. ✔️ I have solid experience building fintech and wallet apps with Flutter, Firebase, Node.js, REST APIs, OTP authentication, payment gateway sandbox flows, encrypted storage, and transaction ledgers. In a previous project, I built a wallet app where users sent money between test accounts, viewed balance changes, and tracked transfer history in real time. ✔️ For your project, I recommend Flutter with Node.js and PostgreSQL for a fast cross-platform build and clean backend structure. I will add phone login, contact picker, amount entry, notes, confirmation screen, transaction records, balance updates, and KYC-ready user fields. ✔️ I will also follow secure API practices, tokenized payment handling, encrypted data flow, and clear API documentation. I can deliver a testable build first, then prepare TestFlight and Google Play-ready binaries. Let’s chat to discuss your project in detail. Best regards, Mykhaylo

@NEHABHAT92

Building your GPay-style money transfer app requires a meticulous understanding of mobile app development, cross-platform compatibility, and precise security measures. With my 9+ years in web and mobile development, I’m equipped to tackle every step of your project with immense dedication and expertise. I've worked on diverse projects including E-commerce and CMS based applications which enhances user experience and provides efficient backend systems for secure transactions, a crucial aspect for any fintech project. In terms of technology stack, I'd recommend using Flutter which allows for seamless cross-platform integration and consistent user experience. I can guarantee a clean installation and smooth performance on current iOS and Android versions within the timeline. My extensive knowledge in PHP can ensure a robust backend that records transactions, balances, user data, and exposed through an organized API. What sets me apart from others is my commitment to not just delivering the end product but supporting it even beyond that. After deployment, my team offer 3-months free support to ensure you have a smooth transition post-launch. Additionally, our affordable domain and hosting services provide long-term cost benefits. Let's turn your ideas into reality together while making sure we maintain the highest level of security compliant with PCI DSS standards at every step of the way. Looking forward to hearing from you soon!

@KarthikTechCon

Hello, I'm Karthik, a Full-Stack Mobile Developer with 15+ years of experience building secure fintech and payment applications. I can develop your GPay-style money transfer app for iOS and Android using Flutter, delivering a fast, scalable, and secure solution within your 4-week timeline. ✔ OTP-based authentication ✔ Contact-based recipient selection ✔ Send/receive money flow with notes ✔ Instant transaction history & search ✔ Secure backend (REST API + PostgreSQL) ✔ PCI-DSS aligned architecture, encryption & tokenization ✔ KYC-ready integration hooks ✔ Complete source code, API docs & deployment guide I have experience building payment, wallet, and transaction-driven platforms with strong focus on security and performance. Ready to start immediately and deliver a testable MVP within 2 weeks. Regards, Karthik

@cindyviorinar

Hi there, Your money-transfer app project sounds exciting, and I’d love to help you get it cross-platform, secure, and store-ready within your timeline. I have hands-on experience building fintech apps with instant payments, secure authentication flows, and clean UX, so I can ensure your app mirrors the simplicity of Google Pay while keeping things lean. I’m comfortable delivering a fully testable build in two weeks and polished binaries by week four. Looking forward to diving in and helping you turn this into a smooth, secure, and testable app. Thanks!

@bridgestonetech1

Hi, We can build your cross-platform money transfer app with a focus on clean UX, fast performance, and secure transaction handling, similar to a lightweight Google Pay flow. For a 4-week delivery, we’d recommend Flutter or React Native for a single codebase across iOS and Android, paired with a Node.js backend (Express/NestJS) and a secure PostgreSQL database. Authentication can be handled via OTP (Firebase or Twilio), with REST APIs managing users, balances, and transaction records. We can integrate a sandbox payment gateway to simulate UPI-like transfers and ensure real-time sync between sender and receiver histories. Security will be a priority, including encrypted data handling, token-based sessions, and a scalable structure that allows future KYC and compliance upgrades. We can deliver a working test build within 2 weeks and a store-ready version by week 4, including full documentation and deployment setup in a private repository. Let's discuss the details via chat to finalize the timeline and budget.

@RajAbhisek

Saw the GPay-style send/receive flow with UPI-like screen, contacts-pick recipient, transaction history, and PCI-DSS handling — this maps cleanly to fintech apps we've shipped at APIE Tech. We'd go React Native + Node/Express + MongoDB for fast cross-platform delivery. Phone+OTP auth (Firebase or Twilio), tokenised card storage, encrypted at rest, KYC hooks kept as a clean module so verification slots in later. Backend exposes a REST API and we'd integrate a sandbox payment gateway for the test-account transfer flow you mentioned. Recent work: a hyperlocal wallet app with OTP login, contacts-based send, and ledger; and a healthcare payments module with PCI-aligned card handling. Cross-platform releases on TestFlight + Play in similar 4-week windows. Happy to share private repo samples on request. Ping me — we can scope the two-week testable build and walk through sandbox gateway choice.

@adityakhuman006

As a multi-talented developer with proficiency in Android, Flutter, iOS Development, and PHP, I am the ideal candidate to bring your GPay-style money transfer app to life. You need a freelancer who can ensure seamless cross-platform functionality while prioritizing security and compliance - that's where my expertise lies. My experience in mobile app development shines with the skills you require like UPI-like screen, secure data encryption and add option for KYC verification. I excel at utilizing APIs to their fullest potential which is essential for your project including integrating sandbox payment gateway efficiently into the app. Additionally, I have an eye for creating visually appealing and user-friendly interfaces. I guarantee that your users will be able to handle all required actions smoothly and enjoyably. The timeline you've set is demanding, but I'm confident in my ability to deliver a testable build within two weeks and polished store-ready binaries by week four. Lastly, my commitment to effective communication, my dedication to excellence and the ability to exceed client expectations would ensure a productive collaboration between us. My deep understanding of HTML, CSS and API integration would also make code readability a definite plus. Ultimately, it is my passion for coding coupled with my commitment to understanding client needs that allows me to consistently create impactful applications . Let's connect soon!

@Mayanks010

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank Sahu

@Baber512

Hello, I have read your Complete proposal your Need a Experienced Flutter developer for GPay style money transfer app.I have more than 3 years of work experience in Mobile application developemnt have a hand-on expeirence in Many terms like Figma to Flutter, Firebase, Google maps and Rest APIs integrations I am Confident that will handle your task in a reasonable price and time and I am available to start working on it Let's chat to Proceed

@gauravl3

As a seasoned full-stack developer with extensive experience in mobile app development and cloud solutions, I firmly believe I'm the perfect fit for your GPay style money transfer app. My skills extend to native programming languages like Swift and Kotlin, popular cross-platform frameworks such as React Native and Flutter, and secure REST/GraphQL APIs - all of which are essential for this project. Additionally, my proficiency in AWS, Azure, and Google Cloud ensures your app's backend infrastructure will be robust, scalable, and secure. This is especially crucial when handling sensitive financial transactions. Alongside this, my knowledge of PCI-DSS compliance will help us implement the necessary security measures to protect user data while providing seamless payment functionalities. Lastly, my goal as a developer has always been to deliver clean code that powers efficient solutions with real business value. I can assure you that each feature of your lean money-transfer app will be designed with utmost care and optimized for optimal performance across iOS and Android platforms. With my expertise and collaborative work ethic, we can see this project through from a testable build in two weeks to ready-to-publish binaries by week 4. Let's build an app that revolutionizes your users' financial experiences!

@guptakishan805

With over five years of experience in Full Stack Development, I have proven my mastery of the tools and platforms that this project requires. My familiarity with React Native and Flutter will be of great use during the process. I have spent a significant amount of time working on similar fintech projects, which has aided in cultivating my understanding of the intricate security needs, such as PCI-DSS compliance and secured data handling. Your detailed project description sets the stage for a clean user-interface mirroring Google Pay and your desired timelines for TestFlight and Google Play align perfectly with my promise to diligently complete tasks. Moreover, my focus on scalable solutions combined with your project's emphasis on robust security allows us to lay a strong foundation for future expansion of features like bill payments and top-ups. Throughout my career, I have prioritized clear communication, attention to detail, and prompt deliveries. This approach has helped me build solid relationships with my clients. If you choose me, not only will you get an excellent developer who can bring your vision to life, but you will also gain a partner committed to your long-term success. Let's discuss how we can make your lean money-transfer app a reality before the deadlines.