Android eSIM App Development Kotlin -- 2

@AwaisChaudhry

Hello, I understand Phase 1 is to deliver a native Android app in Kotlin that lets travellers buy and manage eSIM data. I’ll build a clean, MVVM-structured app using Kotlin, Jetpack components, and a light Material Design 3 look, with a straightforward back-end API and Stripe/SSLCOMMZ payments, plus Firebase Analytics to track usage. The plan: implement auth with email signup and Firebase OTP, a dashboard showing active plans and balances, a storefront with country and plan filtering, secure purchase flow with card payments and promo codes later, eSIM activation via provider API with QR delivery, and push notifications via FCM. Backend will expose REST endpoints and Webhooks for payments; admin panel can be added later if needed. I’ll provide an APK/AAB, source code, minimal setup docs, and three months post-launch bug-fix support. I’ll also enable agents to update company name and logo in settings, and split commissions between agents and vendors in the admin. 1) What is the expected latency for eSIM provisioning via the provider API, and are there rate limits to plan purchases during peak hours? 2) Which regions and currencies should the storefront default to, and will there be regional pricing? 3) Do you require any specific OAuth or SSO for admin access, or is Firebase Auth sufficient? 4) What are the exact fields for user profiles beyond email and basic details, for compliance and analytics? 5) How should failed payments be retried (retry logic, backoff, and notifica

@OutsourceMan

⭐⭐⭐⭐⭐ Dear Valuable Client, CnELIndia, led by Raman Ladhani, is well-positioned to deliver your Phase 1 Android eSIM app seamlessly. We propose starting with a detailed review of the eSIM provider API and payment integrations (Stripe & SSLCOMMZ) to define secure, reliable backend endpoints. Using Kotlin with Jetpack MVVM and Coroutines, we will implement smooth signup/login flows, dashboard, storefront, purchase, and eSIM activation features, integrating Firebase Analytics for behavior tracking. Our team will develop a lightweight admin panel to manage users, plans, and agent commissions, ensuring Stripe splits and webhooks are correctly handled. We will deliver the APK/AAB, source code, and minimal setup documentation, plus three months of post-launch support. CnELIndia’s expertise in Android architecture, payment flows, and analytics ensures Phase 1 launches error-free, sandbox-tested, and fully functional.

@WebChapters

Hello, I hope you're doing well. I'm excited to assist you in configuring your WordPress site for trading, making it as dynamic as the sample sites Airalo and esim.io. I'll ensure seamless integration with the necessary plugins and software. For the Android app in Phase 1, I'll focus on creating a smooth user experience for purchasing and managing eSIM data plans using Kotlin. Integration with APIs for eSIM provisioning, Stripe and SSLCOMMZ for payments, and Firebase for analytics will be handled meticulously. Could you share more about your branding preferences for the website and app? What timeline are you aiming for the launch of Phase 1? Are there specific features or integrations you'd like to prioritize for the initial rollout? Looking forward to bringing your vision to life with a robust and user-friendly platform. Best regards, Azeem Amin

@softsolution2000

I have carefully reviewed the Android eSIM App Development Kotlin -- 2 project requirements and believe my expertise in PHP, Mobile App Development, Android, Software Architecture, and Analytics align perfectly with your needs. I am confident in delivering a high-quality app within your budget and timeframe. My extensive experience of 15 years speaks for the quality of work I provide. I am ready to discuss the project details and demonstrate my commitment by starting work without being hired. Eager to hear from you soon.

@LiveExperts

Hello, With over countless completed projects under our belt, including Android apps, it's safe to say that we are seasoned professionals specifically qualified for your eSIM app development endeavor. Utilizing our skills in Android (using Kotlin), PHP and Software Architecture, we have the necessary knowledge to incorporate the key features to your app from eSIM provisioning, Stripe payment integration and Firebase Analytics event tracking, to implementing functional Auth and a smooth Dashboard for your users. We've noticed your request for a clean architecture using the MVVM model (incl. Jetpack and Coroutines), which is one of our specializations. Our knowledge coupled with our vast experience in backend development (with languages like Node.js or Django) can ensure all REST/JSON endpoints are implemented seamlessly. We also aim to make it easier for future developers to understand and build upon our work by employing a minimal setup and providing comprehensive API documentation along with the source code. Finally, we understand the value of after-launch support in minimizing issues. Our proposal promises three months of post-launch bug-fix support on critical and reproducible issues. Let's chat further about your project's workflow, APIs, or timeline—so together we can ensure Phase 1 meets your idea's potential! Thanks!

@Julian29

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 15+ years of proven experience in mobile and backend development, and I confidently understand your requirement to build a scalable, user-centric Android eSIM app with secure payments and real-time provisioning. -->> Native Kotlin app (MVVM, Coroutines, Jetpack, Clean Architecture) -->> Secure auth + Firebase OTP + FCM notifications -->> Stripe & SSLCOMMZ integration with webhook handling and commission split -->> eSIM API provisioning with QR/automatic install + email delivery -->> RESTful backend + optional lightweight admin (users, plans, agents, commissions) My approach emphasizes clean architecture, secure API design, efficient payment integration, and an agile workflow to keep Phase 1 lean and launch-ready. I am in chat as I have some queries regarding the eSIM provider API specs, Stripe Connect setup for commission split, and sandbox testing flow to proceed further. I would begin by defining backend contracts and payment flows, then implement core Android modules (auth, catalog, purchase, dashboard) before integrating provisioning, analytics, and final QA for Play internal testing. Successfully implement this project from start-to-finish. Let’s build a reliable, scalable eSIM platform ready for real-world deployment. Thanks & regards Julian

@techplusintl

Hi there, I understand you're looking to develop a native Android app in Kotlin for managing eSIM data plans. The project involves user authentication, a dashboard for active plans, and a storefront for plan selection, along with payment integration via Stripe and SSLCOMMZ. My approach will ensure a clean architecture using Kotlin with Jetpack components, focusing on Material Design for a user-friendly experience. I will implement the eSIM activation process through the provided API and set up Firebase for analytics to track user behavior effectively. I will deliver an APK ready for testing, source code in a Git repository, and comprehensive documentation for smooth handover. Additionally, I will provide three months of post-launch support to address any critical issues. I'm excited about the potential of this project and would love to discuss any specific requirements or questions you may have. Best regards, Burhan Ahmad TechPlus

@extreamcode

Hey, I truly understand your core goal here , creating a sleek, reliable Android eSIM app that makes buying and managing plans effortless for travelers. With extensive experience in Kotlin, Jetpack MVVM, Stripe integrations, and Firebase Analytics, I’m confident I can deliver a clean, well-architected solution meeting your precise workflow and tech stack specs. I've built apps integrating eSIM provisioning APIs and handled secure payment flows with Stripe and additional gateway options, ensuring smooth transactions and instant activation. Leveraging clean architecture and Material Design principles, I’ll ensure your app is intuitive and robust. Plus, the optional admin panel for agent commissions and manual top-ups will be fully manageable with clear documentation. 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. Expect APK/AAB ready for internal testing with full git repos and post-launch support included. Could you clarify if the backend tech preference (Node, Django, Go) is finalized, or is there flexibility based on development speed and scalability? Best regards, Asad

@sunainawbst

✅WORDPRESS DESIGNER/DEVELOPER EXPERT Hi, I have read the description carefully and give you 100% assistance as a WordPress Developer. Skills- WordPress, AWS, Woocommerce, Genesis, AVADA, DIVI, LMS, Buddypress, Plugin/Theme Customization, PSD to HTML/WordPress, JQUERY, AJAX, HTML5, CSS3, Bootstrap, Customization as per client requirement. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. I can start right now and look forward to your response and hope to see the beginning of a wonderful partnership with you. Please keep the budget flexible for now. Thanks, Srishti

@divumanocha

With over 12 years of experience, CodeNomad is undeniably your go-to expert for this project. As a top-rated professional fluent in Kotlin, I am well-equipped and deeply skilled in mastering the MVVM, Coroutines, Navigation fundamentals required for your specific eSIM app development needs. On the backend front, I have unmatched expertise in Node.js among other respected platforms. This gives me the flexibility to effectively integrate new REST/JSON endpoints to accommodate your pre-existing architecture while ensuring a smooth and efficient workflow for eSIM's API functionality. Moreover, my experience extends beyond just development. Being familiar with key tools like Firebase and Stripe will not only enable me to smoothly integrate them into your project but also aid me in developing a simple web-based admin panel to list users, plans sold, and facilitate manual top-ups. I am also well-versed in handling Stripe Webhooks on the server-side - an essential aspect of payment confirmation. To that end, I can commit to deliverables such as a bug-free APK/AAB ready for internal testing, fully documented source codes with APIs allowing for local stack run, 3-month post-launch bug-fix support alongside a keen attention to detail to ensure successful task completion. My extensive skill set which ranges from data science to UI/UX designing puts me in good stead to foresee potential pitfalls in your project's implementation. Thanks.....

@einnovention

Asif here from Einnovention, your one-stop-shop for all your digital needs. With over 25 experienced developers on board, we've successfully delivered more than 248 projects with a consistent rating of 4.9/5. We believe in long-term partnerships and offer free consultations before hiring, unlimited revisions until full satisfaction, and two weeks of free post-delivery support to ensure that you're delighted with our service. When it comes to your Android eSIM app project, our expertise truly shines. Our team are proficient in Kotlin, Jetpack (MVVM, Coroutines, Navigation), and Firebase Analytics SDK - the exact skills your project requires. Leveraging our experience in integrating REST/JSON endpoints and Stripe Payment Gateway amongst others, we can materialise the functionalities you envision—from authentication to purchase & top-up—with dexterity.

@AhteshamAK

Hello, I’d love to help you build this Phase 1 Android eSIM app with a clean Kotlin + Jetpack architecture. Your flow for travellers, account creation, country-based plan selection, secure payments, and instant eSIM provisioning, aligns perfectly with my experience building telecom and fintech‑grade Android apps. I’ll implement email auth with Firebase OTP, a clear dashboard for plan status, a storefront with search and region filters, and seamless Stripe/SSLCOMMZ payments including future promo support. eSIM activation will support both QR and automatic downloads, plus email delivery. I’ll set up FCM alerts, profile management, saved cards, transactions, and an optional lightweight admin panel to manage users, plans, agent commissions, and instant vendor payouts. Clean architecture with MVVM, Coroutines, and Material Design 3 ensures stability, while Firebase Analytics will track funnels and behaviour for optimisation. Deliverables will include source code, documentation, deployable builds, and post-launch support. Regards, Ahtesham

@abdullah1826

Hi, For your project "", We provide complete frontend to backend development with clean, scalable, and high-performance solutions tailored to your requirements. Our experienced team ensures modern UI/UX, secure architecture, smooth functionality, and full support until successful deployment. Let’s build a reliable and impactful product together. Regards, Muhammad Abdullah

@sagarjain4010

Hello I’m a full-stack developer and I can handle this end-to-end Android (Kotlin) + backend + payments + eSIM API integration. ✔I’m comfortable with: - Kotlin + MVVM clean architecture - Stripe (including webhooks & split/commission via Stripe Connect) - Firebase (Auth, FCM, Analytics) - REST API integrations (including provisioning flows like eSIM APIs) ✔I’ll structure it properly so: - Payment is verified server-side before eSIM activation - Commission split for agents is configurable from admin - Dashboard reflects real payment + provisioning status - Firebase events track purchases and retention cleanly ✔You’ll get: - AAB ready for Play internal testing - Full source code (app + backend + admin) - Setup documentation - 3 months bug-fix support ✔I’d like to clarify a few things Is the eSIM API already tested in sandbox? And are you planning to use Stripe Connect for commission split? Happy to chat :) Thansk Sagar

@Rekhathakur

As a seasoned team with more than 10 years of experience in the field, my agency, WellSpring Infotech, is perfectly equipped for your Android eSIM App Development project needs. We have already demonstrated our abilities in building diverse B2B and B2C software products, including fintech solutions, like the one your project entails. With expertise in both Android and Kotlin, we are well-versed to tackle your requirements head-on. At WellSpring Infotech, quality is key. We understand the importance of delivering a clean product that runs without error and meets its functionality requirements. Moreover, our skill set extends beyond app development into backend systems as well, making us an ideal fit for your need of complementary backend (Node, Django or Go). Offering to provide seamless end-to-end solution is what sets us apart from the rest. Thanks...

@efanntyo

Hi there, ★ I’m excited to submit my proposal for your Android eSIM App Development project. With a solid track record in Android development using Kotlin, Jetpack components, robust backend integrations, and AI-powered analytics, I can deliver Phase 1 as a lean, launch-ready mobile product that your travellers will love. I’ve built complex, data-driven apps from scratch and I’ll bring that experience to your eSIM storefront, activation flow, and billing orchestration. Why I’m a strong fit - Tech alignment: Kotlin + Jetpack (MVVM, Coroutines, Navigation) on a clean architecture, Material Design 3, and no heavy custom widgets. I’ve implemented similar feature sets: user sign-up/login, secure payments, product catalogs, and real-time activation workflows. - Payments and provisioning: I’ve integrated Stripe in mobile apps, plus server-side webhooks to reconcile payments and trigger downstream tasks. I’ll pair this with the eSIM provider’s API for provisioning, ensuring instant profile delivery and reliable email delivery of the QR when needed. - Backend & admin: A simple REST API stack (Node, Django, or Go as you prefer) with a lightweight admin panel for user, plan, and top-up management. I’ll deliver clear API docs and a minimal setup guide so another dev can run locally. - Analytics & telemetry: Firebase Analytics integration to capture screen views, plan purchases, retention funnels, and anonymised behaviour events. I’ll implement events that map to your funnels and provid

@mrresearcher99

Hi there, I’ve reviewed your Android app requirements and would love to collaborate on your project. With 5+ years of experience in native Android development, I specialize in building high-performance, user-friendly apps with clean UI, optimized architecture (MVVM/MVI), and seamless API integration. I’ll start with a clear project roadmap, provide regular progress updates, and ensure the app is thoroughly tested for stability and performance before launch. Let’s connect to discuss your app idea in detail — I’m ready to bring your vision to life! Best, Bhargav Android Developer | Kotlin & Java Expert

@hireageek

Hi there, I’m excited to present my proposal for the Android eSIM app development project. As a top freelancer from California with numerous 5-star reviews, I have extensive experience in developing native Android applications using Kotlin. I understand the critical need for a seamless account management workflow that your application demands, users should find it easy to create accounts, select data plans, and activate their eSIM profiles without any friction. With expertise in Kotlin, Jetpack architecture, and integration with Stripe and Firebase for analytics, I’m well-prepared to deliver a robust app that meets your specifications. I’m eager to start Phase 1, ensuring that every component from authentication to push notifications is efficiently integrated. Let's discuss the timeline so we can have the APK ready for internal testing soon! What specific features do you envision adding in future phases beyond the core workflow?

@vishal1145

Your eSIM provisioning flow will fail in production if you don't handle API timeouts correctly - most carrier APIs take 8-15 seconds to generate QR codes, and Android's default HTTP timeout will kill the request at 10 seconds. This causes users to pay but never receive their profile. Before I map out the architecture, I need clarity on two things. First, which eSIM provider API are you using? Airalo and Truphone have different rate limits and webhook patterns that affect how we queue activations. Second, what's your expected transaction volume at launch? If you're processing more than 50 purchases per hour, we'll need a job queue to prevent Stripe webhook collisions when multiple users buy simultaneously. Here's the architectural approach: - KOTLIN + JETPACK COMPOSE: Build the UI with strict state management using StateFlow to prevent race conditions when users spam the "activate" button during slow API responses. - STRIPE + SSLCOMMZ INTEGRATION: Implement idempotency keys and webhook signature verification to prevent duplicate charges. I'll set up a reconciliation job that auto-refunds if the eSIM API fails after payment succeeds. - ESIM API HANDLING: Wrap all carrier API calls in a retry mechanism with exponential backoff. Store QR codes in Firebase Storage with 7-day expiry so users can re-download if they miss the email. - FIREBASE ANALYTICS: Track funnel drop-off at each step - I've seen 40% of users abandon during QR scanning because the instructions aren't clear. We'll instrument events to identify where conversions break. - AGENT COMMISSION SPLIT: Use Stripe Connect to automatically split payments between your platform and agents in real-time. Each agent gets a custom commission rate stored in your backend that applies at checkout. I've built three similar eSIM marketplace apps for telecom clients, including one that scaled to 12K monthly transactions across 80 countries. The biggest failure point is always the carrier API timeout - I'll architect around that from day one. I don't start projects where payment flows aren't bulletproof. Let's schedule a 20-minute call to walk through your eSIM provider's webhook behavior and confirm the commission logic before I draft the technical spec.