Plataforma e-Commerce Unificada Full-Stack -- 2 bsale

@voizacinc

Hi, There. With over a decade of experience in API development and a specialization in Node.js, I am eager to take on the challenge of uniting your e-commerce sales, inventory, and invoicing into one comprehensive system. I appreciate your preference for SAP, but what sets me apart is my ability to adapt and integrate with multiple providers' systems without resorting to ground-up rewrites. My diverse technological skill set including React and TypeScript will ensure that the architecture remains flexible for future integrations . What makes my experience particularly fitting for this project is my extensive background in WaaS/SaaS projects. I've successfully developed and integrated numerous web-based software solutions through which I've developed a solid understanding of compliance requirements like digital invoicing as well as payment gateways like Stripe, PayPal, and local options. Moreover, I have implemented testing throughout all stages of development which will be crucial for delivering a well-constructed platform that meets your requirements. Thanks.

@nikhilgarg96

Hi Having worked on a wide range of projects, I am well-versed in both frontend and backend technologies. In particular, my experience with WaaS/SaaS projects aligns perfectly with what you're looking for. Both CRM and ERP systems have been my forte, having developed effective solutions that seamlessly connect with various APIs. In terms of your immediate needs, syncing your stock in real-time between your website and SAP will not be an issue since I am already well-acquainted with its API. Importantly, my design of the system architecture will not only accommodate existing providers but will also allow room to include future ones such as Odoo or Zoho Inventory with zero rewrites. When it comes to financial integration, I understand the critical importance of staying tax-compliant which is why I have extensive experience integrating APIs for electronic invoicing and local payment gateways like Stripe, PayPal, etc. The system I propose will ensure robust reconciliations via webhooks while issuing valid electronic invoices in line with local norms. Additionally, I am confident in developing and implementing automated deployment scripts to make your future project endeavors more efficient. With the MVP stage being crucial, I commit to delivering the specified modules functional in the staging environment alongside clear API documentation (using OpenAPI/Swagger). Thanks....

@corpmember29

HE LIDERADO PLATAFORMAS SAAS/WAAS CON INTEGRACIONES ERP, FACTURACIÓN ELECTRÓNICA Y PAGOS A ESCALA EMPRESARIAL. Hola, Puedo asumir el liderazgo técnico end-to-end de tu plataforma e-commerce tipo WaaS/SaaS, diseñando una arquitectura modular, escalable y preparada para cumplimiento fiscal desde el día uno. Enfoque técnico propuesto • Backend en Node.js + TypeScript, APIs desacopladas y documentadas (OpenAPI) • Frontend en React con panel administrativo claro y extensible • Arquitectura de integraciones por connectors (SAP inicial, lista para Odoo, Zoho u otros sin reescritura) • Sincronización de inventario en tiempo real (webhooks + colas con Redis) • Integración con facturación electrónica (CFDI): timbrado, validación, archivo y reportes fiscales • Pasarelas Stripe, PayPal y pasarela local, con conciliación automática • Infraestructura con Docker + Kubernetes, CI/CD en GitHub Actions • Tests unitarios e integración como estándar MVP – Timeline estimado (8–10 semanas) Semana 1–2: arquitectura, modelos, setup CI/CD Semana 3–5: inventario + conector SAP Semana 6–7: pagos + facturación electrónica Semana 8–9: panel, reportes fiscales, hardening Semana 10: QA, staging y validación de aceptación Entregables • MVP funcional en staging • Documentación API • Scripts de despliegue automatizado Tengo experiencia previa en SaaS con integración a ERPs, APIs fiscales y pasarelas de pago, asegurando cumplimiento y escalabilidad real.

@Apurva510

With over 7 years of experience as a full-stack developer, I bring a unique perspective to your WaaS/SaaS project. My technical prowess includes mastering the MEAN/MERN stack, along with knowledge in PHP and Python, making me adaptable to your technology choices of Node.js, React, TypeScript, Docker, Kubernetes and more. Notably, I'm skilled in database management, crucial for synchronizing inventory data central to your platform. I have hands-on experience working with SAP and Odoo integration which will be key when navigating different ERP systems. My familiarity with important e-commerce elements, such as local fiscal compliance and payment gateways like Stripe and PayPal complement your project perfectly. I have dealt extensively with electronic invoicing APIs in the past which ensures I can smoothly integrate the systems you require to issue CFDI invoices and manage everything as per the regulations. And my commitment to quality is undeniable: from conducting unit tests to building robust documentation and automated scripts for effortless deployment. Thanks....

@jayprakashyadav

Hello, I am a Node.js Developer with 15+ years of experience in building scalable, secure, and high-performance backend systems. I specialize in RESTful APIs, real-time applications, server-side development, and database integration (MySQL, MongoDB, etc.). I focus on writing clean, optimized, and maintainable code to ensure speed and reliability. Recently, I also worked on OpenAI API integration for auto-generated articles, images, and social sharing, which highlights my ability to adopt the latest technologies into modern applications. If you are looking for a dedicated Node.js expert who ensures quality, innovation, and timely delivery, I’d be happy to work on your project.

@marjanahmed13

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.

@abhisaini0188

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini

@devendrathakur12

Hello, I built & customized large scale SaaS platforms where sales, inventory, payments, and invoices all talk to each other without drama. Looking forward to discuss your project in detail. I’m certified in app dev and web dev, and I’ve built systems using Node.js, React, TypeScript, Docker, and cloud pipelines that stay calm even when orders don’t. What I do differently is design integrations once and reuse them forever, so adding SAP today and Odoo tomorrow won’t feel like starting over. For your platform, I’d set a clean core with real-time sync, solid tax logic, and payment flows that reconcile themselves while you sleep. I’ve worked with Stripe, PayPal, local gateways, and government invoicing APIs, so getting a valid electronic invoice after payment is not magic, just good wiring. Quick questions that will help shape this right: How strict are the tax edge cases like refunds or partial invoices? Do you want inventory to block sales instantly or allow backorders? Which SAP API version are you using right now? Should the dashboard feel more “finance” or more “store owner”? Best regards, Dev S.

@Tanmoy236

Hi, I’m a seasoned full-stack developer with 9+ years of experience leading WaaS/SaaS projects, building scalable platforms that unify e-commerce, inventory, and billing while ensuring full fiscal compliance. Positive, end-to-end system integration is my focus, from ERP connectors to payment and tax processing. Here's how I can help: * Build a robust Node.js + React + TypeScript stack with Docker/Kubernetes for scalable deployment * Integrate inventory management with SAP (and prepare architecture for future ERP connectors like Odoo or Zoho) * Implement CFDI-compliant electronic invoicing with real-time timbrado and archiving * Connect Stripe, PayPal, and local payment gateways with automated reconciliation via webhooks * Deliver a fully functional MVP in a staging environment, complete with OpenAPI/Swagger documentation and automated deployment scripts Could you clarify the expected volume of orders and SKUs for the MVP? Also, do you prefer a modular microservices architecture from day one or a monolithic MVP with clear expansion paths?

@jushuamurillo98

With over a decade of experience in full-stack development, I have the skills and dedication needed for this extensive e-commerce project. Having previously worked on WaaS/SaaS platforms such as this one, I am well acquainted with the intricacies of unifying online sales, inventory, and billing into a scalable system while still meeting local fiscal compliance. Notably, my familiarity with SAP - your primary ERP provider - allows me to efficiently integrate its API into the system while keeping it adaptable for future suppliers like Odoo or Zoho Inventory if need be. Moreover, my knowledge of various coding languages (including TypeScript that you recommended), frameworks like React and Node.js, as well as databases like MySQL and MongoDB aligns perfectly with your suggested tech stack. My proficiency does not stop there; When it comes to integrating electronic invoicing APIs and payment gateways (which are crucial aspects of this platform), I've got you covered as well. I have worked with diverse APIs including those supporting electronic invoicing and payment systems like Stripe and PayPal, proving my adaptability to different fiscal contexts. Let's bring our ideas together to create a powerful MVP in time on staging with detailed API documentation and automated scripts for easy management. With me onboard, you can look forward to seeing your product truly reflecting in SAP.";Thank you.

@sushmasain140989

With 8+ years of developing API and PHP, I have relevant experience to lead this project. I am no stranger to WaaS/SaaS projects and understand the intricate needs of an ecommerce platform like you described. I have worked across a range of industries fitting in various third-party service APIs, and most importantly payment gateways like Stripe and PayPal; all critical for the functionality you are seeking. Additionally, I have past experience with delivery projects using Node.js, React, TypeScript, and more- a perfect match for the suggested app stack technologies. I understand the specific importance of fiscal compliance on your platform. During my tenure, I have integrated multiple electronic invoicing APIs ensuring full compliance with local regulations in regards to invoice generation, billing and archiving. My experience even extends to integrating with enterprise resource management tools such as SVP, Odoo, Zoho- simsilar to what you proposed- making collisions between different systems negligible. This background assuages many of your concerns around architectural consistency over changing time. Sush

@rbtech1984

¡Hola! ⚜⭐⭐⭐⭐⚜ ((Plataforma de comercio electrónico SaaS integral con ERP y cumplimiento fiscal)) ⚜⭐⭐⭐⭐⚜ Lanzar una plataforma de comercio electrónico WaaS que unifique las ventas en línea, el inventario en tiempo real, la sincronización con ERP y la facturación electrónica es una base sólida para un crecimiento escalable, y sus criterios de aceptación demuestran claramente que desean que esto se implemente correctamente desde el primer día. Buscan un líder de desarrollo full-stack que pueda diseñar una arquitectura modular, conectar SAP inicialmente sin generar dependencia y garantizar que cada pedido se procese sin problemas, desde el pago hasta la emisión y el reporte del CFDI válido. Cuento con amplia experiencia en la creación de plataformas SaaS con Node.js y React, el diseño de arquitecturas API-first y la integración de pasarelas de pago y servicios fiscales mediante webhooks seguros y flujos de trabajo automatizados. Características principales: • Capa de sincronización de inventario y ERP en tiempo real • Flujo integral desde el pago hasta la facturación electrónica • Panel de control de informes fiscales con informes mensuales exportables Me encantaría conversar sobre un cronograma para un MVP enfocado y explicarles el plan técnico. Saludos cordiales, Farhin B.

@chumemo

Hola buen dia. Puedo tener listo en 4 semanas. Version funcional , documentada y lista para crecimiento. Cuento con más de 20 años de experiencia como Ing. De Software y he construido SaaS que han llegado a más de 10mil usuarios Tienes unos minutos para conversar ?

@deepthi2889

Hola, gracias por el detalle del proyecto. Soy desarrollador full stack con experiencia liderando plataformas SaaS/WaaS que integran e-commerce, ERPs y facturación electrónica obligatoria. He trabajado en sistemas donde el foco principal era la escalabilidad, la correcta orquestación de integraciones y el cumplimiento fiscal sin fricción para el negocio. Tengo experiencia práctica en integraciones de facturación electrónica (generación de XML, timbrado, validaciones fiscales, archivado y trazabilidad), así como en flujos completos de pago usando Stripe y PayPal con webhooks para conciliación automática y disparo de procesos posteriores. He construido conectores desacoplados para ERPs como SAP y soluciones contables, permitiendo añadir nuevos proveedores sin reescritura del core. Mi enfoque para el MVP sería una arquitectura modular: backend orientado a integraciones, adaptadores ERP intercambiables, capa fiscal independiente y APIs bien documentadas desde el inicio. El flujo cubriría producto, inventario, orden, pago confirmado, emisión de factura electrónica válida y generación de reportes fiscales. Trabajo habitualmente con Node.js, TypeScript, React, APIs REST, bases de datos relacionales, Redis, Docker y CI/CD. Me adapto al stack propuesto o sugiero ajustes según necesidades reales del MVP. Puedo liderar la construcción técnica del MVP en entorno staging y dejar una base sólida para escalar a nuevos ERPs, países y pasarelas.

@NEHABHAT92

As a trusted and experienced full-stack developer, I see your e-commerce platform as an exciting opportunity to leverage my extensive knowledge in Node.js and PHP. I have successfully completed several WaaS/SaaS projects in the past including integrating APIs for fiscal facturation and payment gateways like Stripe and PayPal. My experience and skills align perfectly with your project needs. In terms of inventory management, my familiarity with SAP ensures that I can seamlessly connect it through its API while maintaining architectural flexibility for future integrations. Over my 9+ year career, I have worked professionally integrating different systems including Odoo, Zoho Inventory, etc., which aligns well with your vision. Moreover, I'm well-versed in Docker, Kubernetes, database handling and CI/CD using GitHub Actions which are the suggested technologies for this project. To prove my capabilities, I can provide you an MVP at the staging environment that integrates stock management, tax compliance and payment gateways flawlessly. Not only this, but my comprehensive documentation skills also guarantee an easily understandable API along with automated deployment scripts. Rest assured that partnering with me would ensure a smooth and efficient project execution process from start to finish.

@mayankinnovative

Hola, Soy desarrollador full-stack con **15+ years experience in software development**, enfocado en plataformas SaaS/WaaS, sistemas e-commerce complejos e integraciones empresariales (ERP, pagos y facturación electrónica). He leído el alcance completo y el enfoque que propones es correcto: una plataforma centralizada, escalable y fiscalmente compliant. Mi propuesta técnica se basa en una arquitectura modular para evitar dependencias rígidas con un solo proveedor. **Enfoque de implementación** • Backend en Node.js + TypeScript con arquitectura por dominios (ventas, inventario, facturación, pagos). • API REST documentada con OpenAPI, preparada para exponer servicios a web, apps o terceros. • Conectores desacoplados para ERP: SAP como primer adaptador, con una capa de abstracción que permite añadir Odoo, Zoho u otros sin reescritura. • Sincronización de inventario en tiempo real mediante webhooks, colas y eventos (Redis). • Integración fiscal mediante servicios oficiales de facturación electrónica (CFDI), con validación, timbrado, almacenamiento y reportes. • Pagos vía Stripe, PayPal y pasarela local usando webhooks para conciliación automática. • Frontend en React, enfocado en rendimiento, control operativo y reporting. • Infraestructura containerizada con Docker, preparada para Kubernetes y CI/CD en GitHub Actions. • Pruebas unitarias e integración desde el inicio para asegurar estabilidad. Saludos

@dataspro

Un gusto hablarte y conocerte danyel72, Después de leer en detalle los requisitos de su proyecto y concluir que coinciden con mis áreas de conocimiento y habilidades, me gustaría presentarme. Mi nombre es Anthony Muñoz y soy el ingeniero principal de la agencia de TI DS Pro. He trabajado durante más de 10 años en Backend y desarrollo de software y he realizado con éxito múltiples trabajos. Será un placer trabajar juntos para hacer realidad tu proyecto. Por favor no dude en ponerse en contacto conmigo. Estoy deseando trabajar con usted. Realmente aprecio su tiempo y quedo atento a cualquier solicitud o pregunta. Saludos

@zeljkoi6

Hola, Estoy emocionado por la oportunidad de liderar la construcción de su plataforma e-commerce unificada. Cuento con amplia experiencia en proyectos WaaS/SaaS, habiendo desarrollado soluciones escalables que integran gestión de inventario, cumplimiento tributario y múltiples ERP, incluyendo SAP y Odoo. Mi enfoque se centra en una arquitectura flexible que permita integrar nuevas pasarelas de pago y servicios sin complicaciones, asegurando que su sistema sea robusto y fácil de mantener. Propongo un timeline para el MVP de 6 semanas, comenzando con la sincronización del stock y la integración del servicio de facturación electrónica; . Gracias,

@prashjain92

Hola, Leí atentamente su descripción y es evidente que su objetivo es construir una plataforma WaaS SaaS sólida que unifique las ventas en línea, el inventario y la facturación fiscal en un único sistema escalable. El enfoque en la sincronización en tiempo real, el cumplimiento tributario y la flexibilidad de un ERP preparado para el futuro demuestra una sólida visión de producto, y estoy realmente interesado en ayudarle a ejecutar esto correctamente desde cero. Entiendo la importancia de sincronizar el inventario entre la web y el ERP, garantizar una facturación electrónica válida, gestionar múltiples pasarelas de pago con conciliación y diseñar una arquitectura que admita proveedores adicionales sin necesidad de refactorizar. Sincronización de inventario, arquitectura preparada para ERP, cumplimiento de la facturación electrónica, procesamiento y conciliación de pagos, panel de informes. Aporto más de 7 años de experiencia en la entrega de plataformas web y móviles integrales con una sólida arquitectura de backend, sistemas basados ​​en API y bases SaaS escalables. He liderado desarrollos similares de principio a fin, incluyendo integraciones, seguridad, pruebas e implementación. Me centro en la capacidad de mantenimiento a largo plazo, una documentación clara y una entrega predecible. Permítanos programar una breve charla para coordinar su visión y próximos pasos. Atentamente, Prasham Jain