Integrar login y pagos móviles

@shyamvijaywargiy

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam

@shubhamshrimal7

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham

@technologybeach

As an experienced Full Stack Developer and Software Engineer, I've built a strong proficiency in mobile app development and third-party integrations, precisely the skills essential for your project. Over the years, I have successfully built and deployed numerous digital products, including complex apps that involve streamlining user registration and integrating different payment methods like Apple Pay, Google Pay, credit cards, and PSE. My proficiency extends to incorporating secure login options using Google Identity and Sign in with Apple. Furthermore, my extensive experience will enable me to deliver well-documented authentication flow and integrate payment gateways that align with your preferred financial service providers while maintaining compatibility across multiple methods. Apart from delivering clean, commented code and step-by-step guidelines for compiling and deploying the modules, I also recognize the importance of security in your project. You can expect a detailed technical document encompassing all necessary configuration keys like client IDs and webhooks for safe transactions. In addition, I will provide valuable recommendations for enhanced security to ensure that your app operates smoothly even in real-time scenarios. Importantly, I am all about effective communication and practical accountability.

@kareemmaize

Hola Para simplificar registro y cobro dentro de tu app, el punto más crítico es diseñar un flujo seguro donde autenticación y pagos estén correctamente validados en backend, no solo en el cliente. Implementaría Sign in with Apple y Google respetando sus lineamientos oficiales, gestionando correctamente ID tokens, refresh tokens y validación server-side para evitar suplantaciones. Además, dejaré documentado el flujo completo para que tu equipo pueda mantenerlo sin depender de terceros. Para pagos, propondría Stripe como capa unificada compatible con Apple Pay, Google Pay, tarjeta y PSE, asegurando webhooks firmados y sincronización en tiempo real con tu backend existente. El estado de la transacción se reflejará inmediatamente en la app tras confirmación segura. Mi proceso es claro. Definir arquitectura de autenticación y validación backend. Integrar métodos de pago y configurar webhooks seguros. Pruebas end-to-end, documentación técnica y demo funcional. Una vez revise tu stack actual, te compartiré cronograma exacto y alcance final. Si esto encaja contigo, conversemos en privado para avanzar.

@rbtech1984

Hello There!!! ★★★★ ( Integración de login y pagos móviles ) ★★★★ Entiendo que ya tienes tu app funcionando y ahora buscas simplificar el registro con Google y Apple, además de habilitar pagos con Apple Pay, Google Pay, tarjeta y PSE, asegurando retorno seguro al backend y buena documentación. Services mentioned here based on project details ⚜ Integración Sign in with Apple y Google ⚜ Flujo de autenticación documentado ⚜ Implementación Apple Pay y Google Pay ⚜ Pagos con tarjeta y PSE vía pasarela ⚜ Webhooks seguros y estado en tiempo real ⚜ Código limpio con comentarios claros ⚜ Demo funcional registro + compra Cuento con 9+ años de experiance en apps móviles y pagos seguros con Stripe y Adyen. He integrado OAuth social login y checkouts móviles optimizados. Mi enfoque será usar SDKs oficiales, backend seguro con webhooks y pruebas end-to-end para estabilidad. Quedo disponible para revisar tu app y proponerte un cronograma realista. Warm Regards, Farhin B.

@toriquldev123

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam

@Shaiwan

❗❕‼️⁉️ Hola ❗❕‼️⁉️ ❗❕❗❕❗❕ Entiendo que necesitas integrar el inicio de sesión de Google/Apple y varios métodos de pago móvil (Apple Pay, Google Pay, tarjetas, PSE) en tu app. TENGO ALGUNAS PREGUNTAS SOBRE EL PROYECTO. ENVÍAME UN MENSAJE PARA CONVERSAR MÁS. ❗❕❗❕❗❕ Lo que ofrezco: ⇆ ⇆ ⇆ ★ Implementar autenticación segura con Google y Apple siguiendo las directrices oficiales. ★ Integrar Stripe/Adyen para Apple Pay, Google Pay, tarjetas de crédito y PSE con actualizaciones de transacciones en tiempo real. ★ Asegurar que el backend refleje el estado del pago y sea seguro. ★ Entregar código bien documentado con instrucciones de configuración, compilación, pruebas y claves de configuración. ★ Proporcionar una demostración funcional que muestre el proceso completo de registro y pago. ⇆ ⇆ ⇆ Soy el candidato ideal, con más de 7 años de experiencia en desarrollo de aplicaciones móviles, integración de pasarelas de pago y procesos de autenticación segura. Enfoque: Revisar la aplicación actual → Implementar los módulos de autenticación y pagos → Realizar pruebas integrales → Entregar hitos parciales para la validación → Finalizar con la documentación y la demostración. Hablemos para confirmar su pasarela de pago preferida y su cronograma. Atentamente, Shaiwan Sheikh

@haseebsidd07

Hi there, I noticed you are looking to simplify user registration and payment processes within your existing app. I can help you smoothly implement Google and Apple authentication, following their official guidelines while ensuring comprehensive documentation for future maintenance. With over 6 years of experience in Mobile App Development, I specialize in Payment Gateway Integration, particularly with Stripe and similar platforms, as well as Backend Development, API Integration, and Security to ensure seamless transactions and user experience. Here are my portfolio links for your review: https://www.freelancer.com/u/haseebsidd07 I am committed to providing you with a well-structured codebase, step-by-step instructions for deployment, and a functional demo showcasing the complete workflow of registration and purchase. Let's establish a realistic timeline for your project to ensure you receive timely, quality deliverables. Thank you for considering my proposal. Regards, Abdul Haseeb Siddiqui

@anirudhat

I've integrated Google Sign-In, Apple Sign-In, and mobile payment gateways into existing production apps multiple times, so I can plug these modules into your current architecture without disrupting what already works. For authentication, I'll implement OAuth 2.0 flows following Apple's and Google's official guidelines, with clean token handling on your backend. For payments, I'll wire up Stripe as the unified gateway—it natively supports Apple Pay, Google Pay, credit cards, and PSE for Colombia—with real-time webhook callbacks to your existing backend so transaction states update instantly. I'll deliver in phased milestones (auth first, then payments, then documentation and demo) so you can validate each piece as we go. I can start immediately.

@mayankinnovative

Hi, As per my understanding: You already have a working app and want to simplify authentication and payments. Login must support Google and Apple following official Sign in with Apple and Google Identity guidelines, with maintainable documentation. Checkout must include Apple Pay, Google Pay, credit card, and PSE through a reliable gateway (Stripe, Adyen or similar) compatible in your country. Payments must securely sync with your existing backend and update transaction status in real time. Deliverables include clean source code, setup documentation, technical configuration notes, and a working demo of full register + purchase flow. Implementation approach: I will integrate OAuth flows using official SDKs, ensuring token validation server-side and proper refresh handling. For payments, I recommend Stripe (if PSE supported in your region) or Adyen for broader local coverage. I’ll implement secure backend verification via webhooks, idempotency keys, and real-time status updates. Code will be modular, documented, and aligned with your current architecture. Delivery will follow phased milestones: auth integration, payment gateway setup, backend sync, then end-to-end demo validation. A few quick questions: What tech stack is your app built on? Which country must PSE operate in? Is your backend already handling webhooks? Do you use a sandbox environment? Target deadline?

@SEOGlobalLLC

Hi there, We understand you need to simplify your app by implementing Google and Apple authentication following official guidelines, plus secure checkout integration with Apple Pay, Google Pay, credit card, and PSE, fully synchronized with your existing backend in real time. SEO Global Team has integrated Sign in with Apple and Google Identity flows alongside Stripe and Adyen payment systems, implementing secure token validation, webhook handling, real-time transaction status updates, and well-documented authentication/payment modules for mobile applications. We will implement compliant OAuth flows with proper token exchange and backend verification, integrate a unified payment gateway supporting all requested methods, configure secure webhooks for live status updates, and deliver structured code, documentation, staged demos, and deployment guidance. Which platform is your app built on (iOS native, Android, Flutter, React Native)? In which country will payments primarily operate? Is your backend Node, PHP, or another framework? Best regards, SEO Global Team

@fiza2709

Hi there, I have reviewed your requirements for integrating social authentication and a multi-channel payment gateway. I specialize in secure identity management and financial service integrations for mobile applications. * **I will implement Sign in with Apple and Google Identity following official guidelines to ensure store compliance.** * **I will integrate a gateway like Stripe or Adyen to support Apple Pay, Google Pay, Credit Cards, and PSE in a single checkout.** * **I will develop secure webhook logic to return transaction statuses to your backend in real time.** * **I will deliver well-commented source code and a technical document covering client IDs, webhooks, and security keys.** * **I will provide step-by-step deployment instructions and a functional demo of the registration and payment flow.** * **I will facilitate partial deliveries, allowing you to validate the authentication module before moving to the payment integration.** I have extensive experience with these specific APIs and ensuring they function seamlessly across different regional payment methods like PSE. Would you like to discuss which payment gateway is currently most accessible in your country? Best regards, Fiza Shabbir Full-Stack Developer and Integration Specialist

@Jairo51019

Como desarrollador web experimentado y apasionado, estoy especialmente calificado para abordar los requisitos de su proyecto. He trabajado con tecnologías como Node.js y Laravel, lo cual me da una excelente comprensión de las API e integraciones necesarias para el Registro y Pagos que busca implementar en su aplicación móvil. Con mi experiencia previa con servicios de autenticación como Sign in with Apple y Google Identity, puedo garantizar un flujo de autenticación que sea coherente con las guías oficiales. Además, tengo habilidades sólidas en la integración de pasarelas de pago como Stripe, Adyen y otras más que podrían ser útiles para satisfacer sus necesidades de habilitación de Apple Pay, Google Pay, tarjeta de crédito y PSE dentro del checkout. En cuanto a la entrega, puede esperar desde mí un código fuente bien estructurado con comentarios detallados para facilitar futuras modificaciones del equipo; instrucciones paso a paso para compilar; un breve documento técnico con las claves de configuración y recomendaciones en materia de seguridad; y por último, pero no menos importante, una demo funcional que demostrará un flujo completo de registro + compra dentro de la app. Estaré encantado ayudándole a simplificar el proceso tanto del registro como del cobro para asegurar una experiencia fluida tanto para usted como para sus usuarios. ¡Espero entusiasmado colaborar juntos!

@Hubready

Hello!, I am a Florida-based senior software engineer with extensive experience in mobile app development and payment gateway integration. I've carefully read your project description and understand the goal of simplifying registration and payment processes in your existing app. With over 15 years in the industry, I have honed my skills in backend development, API integration, and security. To ensure I deliver the best solution, could you please clarify the following questions to help me better understand the project? 1. What specific features do you want to simplify in the registration and payment processes? 2. Are there any existing frameworks or technologies you'd prefer to use for integration? I believe that a phased approach can be beneficial: we could start with an audit of your current app, followed by designing a streamlined user flow, and finally implementing the changes. This would ensure a smooth transition and minimize disruption. I've built several apps that incorporate secure payment integrations, such as a personalized e-commerce platform and a mobile booking app for local services. My experience with Stripe and mobile development will allow me to enhance your app effectively. I’m serious about getting your project done right. Let’s chat about how I can help you achieve your goals! -James

@Zesbastian

Integrar PSE (pago asíncrono) no es igual que Apple Pay. Si los Webhooks de tu backend fallan, tendrás usuarios que pagaron pero no recibieron su compra. Delegar el flujo de dinero de tu app a una integración barata es el error más costoso que puedes cometer. Como Arquitecto de Software Full-Stack, diseño pasarelas transaccionales a prueba de fallos. Mi enfoque técnico para tu App: La Pasarela (Stripe): Es la única opción robusta que unifica Apple Pay, Google Pay, Tarjetas y PSE (Colombia) bajo una misma API (Payment Intents). Configurare los Webhooks firmados criptográficamente para que tu backend actualice el estado de la compra en tiempo real, incluso si el pago de PSE se demora. Autenticación Nativa: Integración estricta de Google Identity y Sign In With Apple. Apple es implacable rechazando apps si el flujo de revocación de tokens no está perfecto; yo te garantizo la aprobación. Cronograma en Fases (Como solicitaste): Fase 1 (Días 1-4): Auth de Google/Apple y generación de tokens JWT. Demo parcial. Fase 2 (Días 5-10): UI del Checkout, Payment Intents y Webhooks de retorno seguro. Fase 3 (Días 11-14): Pruebas exhaustivas, documentación de Client IDs y entrega final. El código quedará 100% documentado para tu equipo. Pregunta crítica: ¿El backend actual (donde debo inyectar la lógica para escuchar los webhooks de pago seguro) está construido en Node.js, PHP o Python? Sebastián Calvo Full-Stack Systems Architect

@fernandairgies

⭐⭐⭐⭐⭐ I DONT JUST DELIVER — I DELIVER RESULTS ⭐⭐⭐⭐⭐ Timeline: 4 days • Cost: $100 • Start Immediately Entiendo que necesitas simplificar el registro y los pagos en tu app, integrando autenticación con Google y Apple siguiendo sus guías oficiales, y habilitar Apple Pay, Google Pay, tarjeta de crédito y PSE, asegurando compatibilidad con tu backend y reflejo en tiempo real de las transacciones. Cuento con experiencia integrando estos métodos de pago y flujos de autenticación en apps móviles, entregando código limpio, documentado y seguro, listo para mantenimiento futuro. Este es mi enfoque recomendado para tu proyecto: 1️⃣ Implementar autenticación Google/Apple con documentación del flujo. 2️⃣ Integrar pagos vía Stripe o pasarela compatible, probando cada método. 3️⃣ Validar transacciones en tiempo real y reflejar estado en backend. 4️⃣ Entregar código comentado, guía de configuración y demo funcional. Me enfoco en eficiencia y calidad, asegurando resultados claros y funcionales. Looking for working with you and can start immediately. Please feel free to connect me and let's make progress. Best regards!

@taigafukuda

⭐⭐⭐⭐⭐ Plazo: 5–10 días | Disponibilidad: inmediata Hola, tu objetivo es claro: simplificar el registro y el checkout con autenticación social segura y pagos integrados que funcionen en tiempo real con tu backend. Autenticación Integraré Sign in with Apple y Google Identity siguiendo sus guías oficiales, asegurando cumplimiento, manejo seguro de tokens y un flujo documentado para mantenimiento futuro. Pagos Implementaré Apple Pay, Google Pay, tarjetas y PSE usando una pasarela consolidada (como Stripe o Adyen) compatible con tu país. El sistema notificará al backend mediante webhooks seguros para reflejar el estado de la transacción en tiempo real. Entregables: • Código estructurado y comentado • Guía paso a paso para compilar, probar y desplegar • Documento técnico con configuración (IDs, webhooks, seguridad) • Demo funcional del flujo registro + compra Tengo experiencia integrando autenticación móvil y pagos y puedo entregar avances parciales para validación continua.

@apkblack17

As a seasoned fullstack developer with a particular flair for mobile app development, backend integration, and API refinement, I'm confident I can tackle and surpass your expectations on this project. I have an impressive track record of successfully implementing secure, user-friendly login and payment systems in various industries including mining, textiles, and retail. Given this, I bring a deep understanding of the complexities associated with integrating Apple Pay, Google Pay, credit cards, and PSE into existing systems while maintaining vital real-time transaction updates. In every project I'm involved in, a significant emphasis is placed on thorough documentation which would enable your team to easily navigate the system even when faced with challenges going forward. This is important because technology evolves and your app should remain up-to-date with the latest sign in guidelines for both Apple and Google users. Despite the complexities in your project's requirements timeline is crucial. As such,I commit to offering realistic delivery scheduling and providing you with regular progress updates. With proven expertise in timelines management and having developed my coding skills around relevant tools like Javascript (including libraries/frameworks like React.js/React Native), App development platforms such as Flutter as well as payment gateways among others; I can't wait to meet even your most specific programming needs. Lastly, my strong problem-solving skills coupled with an unwavering commitment to produce innovative solutions have always distinguished me from my peers; giving me confidence that I'll judiciously handle any challenge your project may present. Considering all these strengths along with my relevant profile and experience- it's evident you're about to make a prudent decision by entrusting me with this project. I'm eagerly waiting to get started!

@alejandrol299

Hola, He integrado Sign in with Apple, Google Identity y pasarelas como Stripe en apps productivas, cuidando tanto cumplimiento oficial como seguridad backend. Propongo implementar autenticación OAuth 2.0 / OpenID Connect usando los SDK oficiales (Google Identity Services + Apple Sign In) con validación de ID Token en tu backend (JWT verification + refresh handling). Para pagos, recomiendo Stripe porque soporta Apple Pay, Google Pay, tarjeta y PSE (según país), permite webhooks seguros y confirmación en tiempo real del estado de la transacción. El flujo sería: cliente crea sesión → genera PaymentIntent en backend → checkout seguro → webhook confirma pago → backend actualiza estado inmediatamente. Entrego código modular y comentado, documentación técnica (client IDs, llaves, webhooks, seguridad), guía de despliegue y demo funcional con flujo completo registro + compra. Propongo 5 días totales: Semana 1 autenticación + pruebas; Semana 2 pagos + webhooks + hardening y documentación. Presupuesto: 150 USD todo incluido, con entregas parciales para validación. Si compartes tu stack actual (Flutter, React Native, nativo, etc.), ajusto el plan con precisión. Alejandro