Full-Stack eSIM Platform

@KESHAVINFOTECH

Hi, I’d approach your eSIM platform with a strong backend architecture and provider abstraction so the app isn’t locked to one supplier. The goal is to keep provider changes low-cost while supporting packages, order flow, QR/activation delivery, usage sync, and top-ups through a clean backend layer. My focus would be to map the full user journey first: search by country/region, purchase, receive the eSIM instantly, track usage, and renew when needed. From there, I’d build shared services across backend, admin panel, and mobile/web apps for auth, pricing, currency/language, notifications, and payments to keep the system scalable and stable. Key work areas: backend API gateway for eSIM providers package search and catalog logic purchase and QR/link delivery flow user dashboard and usage tracking admin controls for orders, providers, and content I have relevant experience building backend-driven platforms and can help define the provider field normalization if your document doesn’t already cover it.

@om26er

Hello, i have worked on a project below is the link, i have developed Admin Panel and an Android app. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have developed many Business Solutions from scratch to Stores ready applications. i have completed more than 550 projects. i have live sample apps for you. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.

@diektech

Hi — Elias here from Miami. I see you're looking to develop a comprehensive eSIM sales platform. The goal is clear: create a user-friendly, branded solution that meets your customers' needs. What usually matters most here is ensuring the platform is scalable and can handle varying user demands without compromising performance. A common issue in systems like this is managing seamless integrations with payment gateways while ensuring security and compliance. My approach would involve structuring the platform with a microservices architecture. This enhances maintainability and allows for easier updates as your business grows. I emphasize building a robust backend using Node.js and a responsive frontend with React Native, ensuring a smooth user experience across devices. I’ve developed similar e-commerce platforms where scalability and secure payment integrations were key. This experience helps me foresee potential pitfalls and address them proactively. A few questions to better understand the scope: Q1 – What are your expectations regarding user roles and permissions on the platform? Q2 – Are there specific payment gateways you prefer for integration? Q3 – How do you envision handling customer support and feedback? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.

@dinotech

Hi There, Hope you are doing good. We have read the esim ecommerce site with affiliate system and mobile app. We can build this web app and mobile app with perfection. For web we will use Laravel For app we will use flutter Let's have a quick chat to discuss further. Looking forward to your response. Thanks

@irsolutions

With over a decade of experience in full-stack architecture and high-scale systems, I understand your goal of developing a comprehensive eSIM sales platform under your brand. My background in scaling projects for 1M+ users and high-security FinTech directly applies to the complexities of integrating iOS and Android applications, a responsive website, admin panel, eSIM API, payment systems, and more for your platform. For strategic insight, ensuring seamless API integration and future scalability is crucial. In a past project, I successfully built and scaled Telegram Mini Apps for over 1 million users, showcasing my ability to handle high traffic and complex systems. I encourage you to reach out so we can discuss the roadmap for your Full-Stack eSIM Platform. Let's collaborate to deliver a fast, secure, and professional solution that meets all your requirements.

@ost

I want to bring your vision of an efficient and future-proof eSIM platform to life and I have the skills, experience, and dedication to make it happen. As a certified and highly skilled developer, I have a strong background in full-stack development, eCommerce solutions, API integrations and backend work that aligns perfectly with this project. My expertise isn't limited to one platform or technology but is built on my diversified experience with WordPress, Magento and Shopify as well. Throughout my career, I have delivered exceptional quality sites with seamless functionality and flawless user experiences - characteristics that cannot be overlooked when it comes to building a comprehensive eSIM platform like the one you need. My understanding of the intricacies involved in developing such projects will ensure our journey together remains fast, secure, mobile-friendly, scalable, and professional – just as you’ve specified. Being updated with the current market needs and future trends is something I always strive for; hence I’d love to hear more about how you envision your system evolving in the near future. Ultimately, I'm not just here to build a working system; I'm here to build a lasting relationship – one where I can support and maintain your platform even after project completion. Thank you for considering me for this incredible opportunity!

@kamran2012

Interesting project, I will build your eSIM platform with the provider-agnostic backend at the center, so swapping or adding new eSIM API providers later is just a configuration change, not a rebuild. The mobile apps (iOS and Android from a single codebase), the responsive website, and the admin panel will all connect through that unified backend layer, covering everything from QR code delivery to usage tracking, top-ups, and multi-currency payments. The part that matters most here is the abstraction layer between your system and the eSIM providers. I will design it so each provider plugs in through a standardized adapter, keeping your business logic completely independent of any single API's quirks or limitations. Questions: 1) Which eSIM providers are you planning to integrate first (Airalo, eSIM Go, or others)? Ready to start whenever you are. Kamran

@extreamcode

Hello, You’re not just building an eSIM store , you’re building the hidden control layer that keeps providers, payments, activation, and renewals working smoothly behind one brand. I can help you structure that backend so new eSIM providers can be added cleanly without locking the platform to one API. I’ve built PHP/MySQL systems with admin panels, payment integrations, dashboards, and API-driven workflows, and I’d approach this with a modular backend, responsive web app, and mobile-ready experience for iOS/Android. For a project of this scope, I’d likely use Laravel for the core backend, MySQL, a secure API layer, and a mobile stack that keeps the app and website aligned while handling QR delivery, top-ups, multilingual support, and usage tracking. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. To make the architecture fit your long-term plan, could you share: which eSIM providers you want supported first, whether usage data will come from each provider’s API in real time, and if the mobile apps need native push notifications for activation and renewal events? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad

@webbookstudio

Hi there, We understand you're looking to develop a comprehensive eSIM sales platform, including iOS and Android apps, a responsive website, and an admin panel, with features like eSIM provider API integration, payment systems, and multi-language support. Our team at Webbook Studio has experience in similar projects, such as developing a music voting mobile app using React Native and a furniture store mobile shopping app using Flutter. We've also worked on e-commerce projects, including a WordPress/Elementor site redesign and an online shop for a Scandinavian fashion brand, which involved WooCommerce and custom design. We'll deliver a complete, working system with a scalable and secure backend, allowing for easy integration of different eSIM providers. Can you please elaborate on your expected timeline for the project and how you envision the top-up system and user dashboard functionalities? Feel free to message us to discuss the details! — Webbook Studio

@XanvraTECH

Hello, I am highly interested in developing the Full-Stack eSIM Platform under your brand. I have extensive expertise in iOS Development, Android App Development, Backend Development, Full Stack Development, React Native, and API Development, which align perfectly with the project requirements. I plan to create a seamless user experience by integrating the eSIM provider API, payment systems, QR code delivery, and user-friendly dashboard. The platform will be scalable, secure, and mobile-friendly, ensuring a professional end product. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss this project further and share my detailed approach. Looking forward to the opportunity to collaborate. Best regards, Warda Haider

@Hubready

Hello!, This is James from Hollywood... I read your Full-Stack eSIM Platform brief carefully, and I understand you need a complete branded eSIM sales platform with smooth checkout, backend API logic, payment gateway integration, and mobile apps for iOS/Android. I’ve got about 15 years of experience in full-stack development, React Native, backend systems, databases, and eCommerce builds, so this fits my background well. My approach would be: 1) confirm the eSIM provider, sales flow, and activation logic 2) build the backend/API, database, and admin tools 3) develop the mobile app and payment flow 4) test provisioning, edge cases, and launch readiness I pay close attention to the small details that usually decide whether a project like this feels polished or messy, especially when it comes to checkout, activation, and reliability. Relevant work includes: - a travel-data mobile app with payment and top-up flow - a telecom-style storefront with API-driven delivery - a React Native subscription app with admin dashboard - a custom eCommerce platform with backend automation Could you please clarify the following questions to help me better understand the project? 1) Do you already have an eSIM provider, or should I help integrate one? 2) Should the platform support prepaid bundles, recurring plans, or both? 3) Do you want admin tools for orders, refunds, users, and activation tracking in phase one? If you’d like, I can help you structure the MVP so it’s stable, scalable, and ready to grow.

@Mahihassi

Hi there! I'm Sardar Hasnain from MHTechFusion, and our team is perfect for your Full-Stack eSIM Platform project. As a multidisciplinary engineering team, we can handle the full spectrum of development tasks involved to bring your idea to life from scratch all the way to production-ready, working system. Our capabilities align excellently to your needs: we excel in mobile app development, backend architecture & API integrations, as well as payment systems; critical skills to ensuring your eSIM sales platform runs smoothly and securely. Not to mention our extensive experience developing admin panels that are user-friendly and efficient even under high demands. Additionally, our mastery in cloud integrations and deployments ensures scaling and maintenance won't be a problem. We're well acquainted with different API providers, and our knack for incorporating different technologies means easy integration of new providers in the future. With us, you'll have a centralised ecosystem that's highly expandable with multi-currency and multi-language support. Finally, we don't just deliver a minimally viable product (MVP), we give you a fully functional, professional system that'll give your business an edge. Don't take my word for it; let our work do the talking!

@dgmstudioinfo

With my extensive knowledge and over a decade of experience in Full Stack development, particularly with iOS app and React Native, I know I am the right candidate for your eSIM project. Attention to detail is critical in handling sensitive information like payments and user data when building powerful backend systems - and I assure you, it's a strength of mine. Your eSIM platform needs to be mobile-friendly, fast, scalable with a multi-language and multi-currency support. These requirements fall squarely in my wheelhouse thanks to my robust proficiency in Node.js, Python (Django/FastAPI), RESTful APIs - significantly these technologies enable me to create advanced architectures that can handle all your needs. Delivering beyond your expectations is always my priority; thus, I plan not just to produce an MVP but develop a full working system in record time without sacrificing security or performance. You'll receive clean code, transparent communication—everything you need from start to finish. Ready to step up your eSIM game? Let's work together and revolutionize the way you sell these sims; trust me, you will never regret choosing me as your Full Stack eSIM developer.

@managersingh

Hello, Your requirement for a provider-agnostic eSIM platform with native mobile apps, web portal, admin dashboard, payment integration, and a scalable backend architecture aligns well with enterprise-grade marketplace development. I understand the importance of building the platform around your own backend abstraction layer rather than tightly coupling it to a single eSIM provider API, ensuring flexibility for future provider additions and long-term scalability. The proposed architecture would include native or cross-platform mobile applications, a responsive web platform, a centralized backend API layer, admin management portal, multi-currency and multi-language support, secure payment processing, QR code and activation delivery workflows, usage tracking, notifications, and a renewable/top-up ecosystem. After reviewing the detailed requirements document, I can provide a precise delivery roadmap, phased timeline, technology stack recommendation, and fixed project estimate for the complete production-ready platform. I look forward to reviewing the attached specifications and discussing the project further. Best regards, Singh

@Curveballsol

Hello, I have thoroughly reviewed your project requirements for the development of a full-stack eSIM sales platform. I understand the need for a comprehensive solution that includes iOS and Android mobile applications, a responsive website, admin panel, eSIM provider API integration, payment systems, and more. With expertise in Mobile App Development, iOS Development, Backend Development, and React Native, I am confident in delivering a high-quality, scalable, and professional platform. Effective communication will be maintained throughout the project to ensure all your requirements are met. Please find my portfolio for your review: https://www.freelancer.com/u/Curveballsol I look forward to discussing the project in more detail and providing a tailored proposal for your consideration. Best regards, Curveball Solutions

@SBITServices

Hi, I have 5+ years of experience in Flutter. I will design and develop a fully functional Flutter mobile application for your business. The app will be cross-platform, responsive, and optimized for both Android and iOS. I will ensure smooth navigation, clean UI, and reliable performance. My Skills Include: a) Flutter Development – Expertise in building cross-platform mobile apps with responsive UI. b) State Management – Experienced in Provider, Riverpod, and Bloc for scalable apps. c) Backend Integration – Skilled in connecting apps with REST APIs, Firebase, and third-party services. d) Database Handling – Proficient in Firebase Firestore, MySQL, and SQLite. e) Deployment & Support – Experienced with publishing apps on Google Play Store and Apple App Store. Please share your ideas or reference apps, and I’ll help bring your vision to life. Lets connect in chat so that We discuss further. With Regards, Sai

@installerpoint

With over 12 years of unmatched full-stack development experience, specializing in mobile app development, I’m poised to deliver the top-notch eSIM platform you're seeking. I’ve worked on large scale projects including ERP and CRM systems with similar functionalities, which gives me an edge in handling complex databases, effective payment systems and smooth API integrations that your project demands. My hands-on expertise extends to backend development using technologies like Node.js and Python, which allows me to seamlessly incorporate your preferred eSIM API provider system while maintaining scalable architecture. Trust me to provide flexibility for future integrations, as I always ensure simple yet non-restrictive structures that can easily onboard other API providers as per your needs. Furthermore, my skills in Android app development are well-complemented by React Native expertise- a technology combination that can empower your project with powerful cross-platform compatibility that ensures consistent experiences across devices- be it iOS or Android mobile applications mentioned in your project description. Overall, hiring me ensures leveraging tested proficiency in crafting secure, mobile-friendly, and professional-grade solutions for long-term business growth.

@DeveloperStation

Hi, We’ve developed similar platforms where users can purchase subscriptions and receive QR codes for activation. We also have extensive experience with eSIM APIs, including work with providers like Truphone and Airalo. We can build a fully functional MVP with essential features, and then enhance it based on user feedback. This approach ensures you get a product that truly meets market needs. As a team of 10, we can assign dedicated resources for front-end, back-end, and mobile development, ensuring you get expert work at a competitive price. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. Feel free to message me anytime—I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil

@mahig47

Hello! As per your project post, you are looking to build an eSIM platform iOS and Android mobile applications, a responsive website, and a comprehensive admin panel that enables users to purchase, activate, and manage travel eSIMs. The goal is to deliver a secure, scalable, and provider independent platform with seamless eSIM provisioning, payment processing, multilingual support. My focus will be on delivering a complete full stack solution featuring cross platform mobile applications, responsive website, secure authentication, provider independent eSIM API integration, country, regional, and global package listings, QR code and one click activation, usage and remaining data tracking, top up functionality, Stripe, Apple Pay, Google Pay integration, multilingual and multicurrency support, affiliate and referral system, notifications, SEO optimized CMS, analytics, customer support system, and a powerful admin panel with complete content, order, payment, and user management. I specialize in Flutter, React, Node.js, PostgreSQL, scalable backend architectures, REST APIs, payment gateway integrations, cloud infrastructure, and enterprise web and mobile development. My focus will be on building a secure, high performance, and future ready platform that provides an excellent customer experience. Let’s connect to discuss your business goals, launch strategy, and product roadmap so we can build a scalable eSIM platform ready for global growth. Best regards, Nikita Gupta.