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## Project Overview We are looking to develop a complete **EMI Locker & Device Management Platform** for mobile retailers who sell smartphones on EMI. The platform will allow retailers to sell mobile phones through EMI plans and manage customer devices. If a customer fails to make EMI payments, the retailer should be able to remotely restrict, lock, and manage the customer's device based on predefined rules. The system will include: 1. **Customer Device Locker App (Android)** 2. **Retailer Dashboard (Web/Mobile Panel)** 3. **Super Admin Panel** 4. **Backend API & Database** 5. **License Key Management System** The solution should be secure, scalable, and designed to support thousands of retailers and customer devices. --- # System Workflow The complete relationship flow will be: **Super Admin → Retailer → License Key → Customer → Device → EMI Plan → Payment Tracking → Lock/Unlock Management** Example: 1. Admin creates license keys. 2. Admin assigns keys to retailers. 3. Retailer sells a phone on EMI. 4. Retailer activates the EMI Locker app on the customer's device using a license key. 5. The license key becomes permanently linked to that device. 6. Retailer manages EMI payments through the dashboard. 7. If payments are overdue, the retailer can send lock commands or apply automatic restrictions. --- # 1. Customer EMI Locker Mobile App ## Purpose This application will be installed on the customer's smartphone purchased through EMI. The app will communicate with the backend and allow authorized retailers to manage the device according to EMI payment status. --- ## Customer App Features ### User Registration & Activation * Mobile number registration * OTP-based authentication * License key activation * Device registration * Customer profile creation During activation, the system should collect: * Device information * Device model * Android version * Device identifiers * License information * Retailer information --- # License Key Activation System The app should work using a license-based activation system. ## License Key Features Admin can generate license keys. Each license should contain: * Unique license ID * Activation key/code * Assigned retailer * Activation status * Device binding information * Creation date * Expiry date (optional) ## Rules * One license key should activate only one device. * Activated keys cannot be reused. * Retailers should only see their own keys. --- # EMI Management The app should support EMI tracking. EMI information: * Mobile phone price * Down payment * Loan amount * EMI amount * Number of installments * Payment frequency * Due dates * Pending balance Customer should be able to view: * Upcoming EMI * Paid installments * Pending amount * Payment history --- # Payment Reminder System The system should automatically send reminders. Reminder types: * Before EMI due date * Due date reminder * Overdue reminder Notification methods: * Push notifications * SMS integration * Other messaging integrations (optional) --- # Device Lock & Unlock System ## Remote Lock Retailer/Admin should be able to remotely lock customer devices. Features: * Instant lock * Scheduled lock * Automatic lock after overdue EMI * Custom lock screen message Example: "Your EMI payment is pending. Please contact ABC Mobile Store." --- ## Unlock System Authorized users can: * Unlock device remotely * Unlock after payment confirmation * View unlock history --- # Offline Lock Capability (Important) The system should support offline enforcement. Requirements: * EMI schedule should be securely stored on the device. * Device should verify payment status locally. * If payment is overdue beyond configured limits, restrictions should activate. * Once payment is updated, unlock should happen after verification. Developer should explain the complete offline security approach. --- # Application Restriction / App Lock Retailer should be able to restrict selected applications. Features: * View installed applications * Select apps to restrict * Enable/disable app restrictions remotely Examples: * Games * Social media apps * Selected applications --- # Location Tracking Features: * Current device location * Last known location * Location history * Device online/offline status # SIM Tracking SIM card status SIM operator name Mobile network information SIM slot information (Single SIM / Dual SIM) SIM change detection Device network status --- # 2. Retailer Dashboard ## Purpose Each mobile retailer will have their own dashboard to manage customers, license keys, EMI accounts, and devices. Retailers must only access their own data. --- # Retailer Dashboard Features ## Dashboard Overview Display: * Total customers * Active EMI accounts * Pending payments * Locked devices * Active devices * Available license keys * Used license keys --- # License Key Management Retailers can: * View available keys * View used keys * Activate devices * Search keys * Check activation history Key information: * License ID * Status * Customer name * Device details * Activation date --- # Customer Management Retailers can: Add customers: * Name * Mobile number * Address * Device details * EMI plan * License assignment Customer list: * Customer name * Phone number * Device model * EMI status * Payment status * Lock status --- # Device Management Retailers can view: * Customer devices * Device status * Online/offline status * Location * Lock status Actions: * Lock device * Unlock device * View device history * Manage restrictions --- # EMI & Payment Management Retailers can: * Create EMI plans * Update payments * Add manual payments * View payment history * Track overdue customers --- # Reports Retailers should have reports for: * EMI collections * Pending payments * Overdue customers * Device status * License usage Export options: * Excel * PDF --- # 3. Super Admin Panel ## Purpose Admin controls the complete platform. --- # Admin Features ## Retailer Management Admin can: * Create retailers * Approve retailers * Disable accounts * View retailer activity --- # License Key Management Admin can: * Generate unlimited keys * Bulk generate keys * Assign keys to retailers * Disable keys --- # Monitoring & Logs System should maintain logs for: * User login * Device activation * License usage * Lock commands * Unlock commands * Payment updates * Admin activities --- # Security Requirements Developer should implement: * Secure API communication * OTP authentication * Device authentication * License validation * Device binding * Encryption of sensitive data * Role-based permissions * Audit logs Developer must explain: * How license keys are generated * How keys are secured * How devices are uniquely identified * How unauthorized unlocking is prevented * How Customer's Data is safe after locking device? * How commands are authenticated --- # Technical Requirements Developer should provide: * Clean and scalable architecture * Well-documented code * Proper database structure * API documentation * Source control repository --- # Final Deliverables The developer must provide: * Complete Android application source code * Complete iOS application source code (if applicable) * Retailer dashboard source code * Admin panel source code * Backend/API source code * Database files/schema * Complete project files * Build and deployment instructions * Technical documentation * Knowledge transfer for future modifications The final project should be fully owned by the client, and another developer should be able to understand, modify, and maintain the system in the future. --- # Developer Experience Required Preferred experience: * Android Enterprise / Device Owner apps * Mobile Device Management (MDM) * Secure authentication systems * Large-scale dashboards * License management systems * Payment/EMI platforms Please share previous relevant projects, architecture details, and explain how you will implement device management features before starting development.
Project ID: 40568325
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65 freelancers are bidding on average ₹62,990 INR for this job

Hello, Your vision for an EMI Locker & Device Management Platform is precisely the kind of complex, secure, and scalable system we excel at building. We understand the critical need for robust remote device control, offline capabilities, and a comprehensive ecosystem for retailers, customers, and administrators to ensure seamless EMI management and payment enforcement. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas
₹54,814 INR in 7 days
8.2
8.2

Hey, I will deliver your EMI Locker platform as four connected pieces: the Android device locker app with offline EMI enforcement, the retailer dashboard, the super admin panel, and the backend API with license key management. For offline lock capability, I will store encrypted EMI schedules locally and use a countdown verification model so the device enforces restrictions even without connectivity. On a similar device management build, syncing lock commands through Firebase Cloud Messaging kept response times under 3 seconds for remote lock/unlock. Questions: 1) For device binding, do you need Android Device Owner (DPC) level control, or will Device Admin policies be sufficient for your lock requirements? Looking forward to your response. Best regards, Kamran
₹42,057 INR in 13 days
7.8
7.8

Hello, I have 10 years of experience developing secure enterprise applications, ERP platforms, SaaS solutions, mobile applications, and large-scale backend systems using React Native, Laravel, Node.js, MySQL, PostgreSQL, REST APIs, and cloud deployments. For your EMI Locker platform, I recommend React Native for the mobile application with a Laravel backend and PostgreSQL, providing a scalable, secure, and maintainable architecture for retailer, customer, and admin operations. I would implement license-based device binding, encrypted API communication, OTP authentication, role-based access control, audit logs, payment tracking, remote device management, and a modular architecture that supports future expansion. Before development, I would define the complete device management workflow, offline enforcement strategy, license validation process, and security model to ensure the platform is reliable, scalable, and production-ready. I would be happy to discuss the architecture and implementation roadmap in detail. Best regards
₹37,500 INR in 7 days
6.9
6.9

Hello! As per your project post, you are looking to build an EMI Locker and Device Management platform that enables mobile retailers to manage EMI financed smartphones through license based activation, payment tracking, remote device management, and centralized administration. The solution will include a customer mobile application, retailer dashboard, super admin panel, scalable backend APIs, and a secure license management system designed to support thousands of retailers and devices. My approach would begin with designing a scalable system architecture, followed by developing the backend APIs, license management, authentication, retailer and admin portals, customer mobile application, EMI management, device communication, reporting, and comprehensive testing before deployment. The platform will be built with security, maintainability, and future scalability as the primary focus. I have experience developing enterprise SaaS platforms, fintech applications, admin dashboards, mobile applications, secure authentication systems, role based access control, payment management solutions, and cloud based architectures using modern technologies. Let's connect to discuss the complete workflow and technical architecture so we can build a secure, scalable, and production ready EMI Locker platform that is easy to maintain and expand in the future. Best regards, Nikita Gupta.
₹150,000 INR in 45 days
6.2
6.2

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django and php CodeIgniter mvc and Laravel Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹50,000 INR in 25 days
6.5
6.5

When it comes to developing a secure, scalable and highly functional EMI Locker & Device Management Platform, your project is right up my alley! As a seasoned full stack developer with over 8 years of experience, I have a demonstrated track record of delivering high-quality and robust web and mobile applications tailored to specific business needs. My expertise and familiarity with Android development for your Customer EMI Locker Mobile App ensures that I can deliver a smooth, efficient app that manages various device functionalities effectively based on the EMI payment status. This dynamic workflow which includes everything from license key management system to payment tracking to lock/unlock management requires expertise in multiple technologies, and this is where I excel. With proficiency in technologies like PHP, Laravel, JavaScript, React JS in addition to iOS and Android development skills, I am perfectly poised to handle the task end-to-end. Additionally, as an individual with an Agile mindset and exceptional communication skills, I can ensure each ASPECT of the project is tackled efficiently and delivered within the set timelines.
₹56,250 INR in 7 days
6.1
6.1

With extensive experience in android and API development complimented by expertise in backend and mobile app development, I am confident I can deliver a solid, user-friendly mobile retail EMI and device management software tailored for your needs. My 5+ years in the field has conferred me with a pristine understanding of crafting secure, scalable software capable of managing thousands of retailers and customer devices with ease. What's more? As an automation-driven developer, I appreciate the emphasis you have placed on creating a seamless communication network between various players in EMI process. Whether it is generating unique license keys to assign to retailers or a robust offline enforcement system that verifies payment status locally, I am ready to create an intuitive interface that guarantees efficacy while driving down internal operational costs. It is this dedication to automating manual operations and simplifying complex workflows that has enabled me to build reliable financial platforms for previous clients. Ultimately, my passion lies not just in coding but also in building real solutions for actual users. As such, every feature listed in your project description will receive meticulous attention during my code execution. Let’s make your platform the benchmark for all retail businesses
₹56,250 INR in 7 days
5.1
5.1

At Solves Inn, we understand the criticality of secure, scalable, and efficient systems in managing EMI processes. Over the years, we have honed our skills in API and backend development to create tailor-made solutions that align perfectly with your requirements. Our proficiency in technologies like PHP, Laravel, Node.js, and MySQL ensures not just a smooth functioning of your software but also its ability to handle massive volumes of data proficiently. What sets us apart is our commitment to creating value for our clients. We do not consider our job done until we see the transformative impact of our solutions on your business. For your project, we will leverage UI/UX-focused design principles to give your EMI Locker Mobile App a user-friendly yet sophisticated interface. Our deep understanding of mobile app development for both iOS and Android means we can translate your vision into an app that effectively communicates with the backend while being 100% user-ready. Lastly, I would like to focus on the offline enforcement aspect of your project as it holds utmost significance. With an understanding of how crucial local verification is to ensure security and maintain functionality when the system is not connected to the network, we will develop a comprehensive and tamper-proof process Backup by n8n and solidified by python that guarantees error-free operations even without real-time network connectivity.
₹40,000 INR in 10 days
5.0
5.0

I can help with this, We will build your EMI Locker platform: Android device management app, retailer dashboard, super admin panel, license key system, and backend API. For offline lock enforcement, we will store encrypted EMI schedules locally with a secure countdown timer. The app will verify payment status against the local cache and trigger restrictions if overdue beyond the configured threshold. This prevents bypassing by disabling internet. A couple of quick things to confirm: 1) Do you need Android Device Owner (kiosk mode) provisioning, or will the app run as a standard installed application with accessibility permissions? 2) Which SMS gateway do you prefer for OTP and payment reminders? The number quoted here is a starting estimate. Looking forward to talking through the details. Faizan
₹42,894 INR in 13 days
4.6
4.6

Hi, I'd like to help you develop the EMI Locker & Device Management Platform for mobile retailers. I understand your goal to create a secure, scalable system that supports thousands of retailers and customer devices. The platform will allow retailers to sell mobile phones through EMI plans, manage customer devices, and remotely restrict or lock devices in case of non-payment. To start, I'll focus on setting up a robust Backend API & Database using Laravel, ensuring seamless data communication between the frontend and backend. I'll also design a License Key Management System to handle key generation, validation, and revocation. For the Retailer Dashboard and Super Admin Panel, I'll use React.js for a seamless user experience and efficient data retrieval. For the Customer Device Locker App, I'll leverage Node.js to create a lightweight, high-performance app. I've worked on similar projects, integrating payment gateways like Stripe, Razorpay, and PayPal, and have experience with database management systems like MySQL and MongoDB. My expertise in API development and integrations will help ensure the platform can handle a large number of retailers and customer devices. To ensure the system's security, I'll implement robust authentication and authorization mechanisms, using JWT tokens and role-based access control. For scalability, I'll design a modular architecture that allows for easy extension and maintenance. I'll also set up a continuous integration and deployment pipeline to ensure smooth updates and minimizes downtime. Before starting, I just want to confirm: Will the system require any specific integration with existing CRM or ERP systems? I'm confident that with my expertise and experience, I can deliver a high-quality, scalable, and secure EMI Locker & Device Management Platform that meets your requirements.
₹66,375 INR in 7 days
3.9
3.9

With my extensive 20+ years of experience in PHP-based development, I am well-versed in creating and managing robust customized systems, exactly what your EMI Locker & Device Management Platform requires. Ensuring a seamless connection between all components of the system is crucial for its functionality and stability, and it's something I excel at. From the Customer Device Locker App (Android) to the Super Admin Panel and everything in between, I have you covered. One of the core aspects of this platform is the License Key Management System, which should ideally be capable of generating unique keys, ensuring one license per device, and maintaining strict control over assignation. I have worked extensively on similar systems requiring high-level security and management mechanisms, so I understand how to create a secure, scalable solution that meets your specific needs. Another critical feature is the Offline Lock Capability that demands a stringent approach to security. My vast experience allows me to confidently implement a system that securely stores EMI schedules on devices, verifies payment status locally, and activates restrictions beyond configured limits - providing peace of mind for both retailers and customers. It would be a privilege to bring my skills to your project and craft an exemplary solution that aligns perfectly with all your requirements.
₹40,000 INR in 20 days
4.1
4.1

With 5+ years of experience and a knack for transforming ideas into robust digital platforms, I am confident in my ability to deliver the comprehensive EMI Locker & Device Management Software solution you seek. Be it developing an Android Customer EMI Locker App, Retailer Dashboard, Super Admin Panel or Backend API & Database with foolproof License Key Management System - I got you covered! Having honed my skills with React, React Native, Flutter and more, I ensure that the applications I build are not only secure and scalable but also user-friendly and feature-rich. One key aspect your project demands is efficient communication between the EMI app and the backend. Rest assured, I excel at crafting seamless integrations that boost performance. Additionally, my experience with payment tracking systems will facilitate smooth EMI management that includes providing customers visibility of upcoming EMIs, paid installments and pending amounts. Another vital factor your project requires is offline functionality. This necessitates a nuanced understanding of data storage and security - an area where I hold expertise. My approach to offline enforcement involves securely storing EMI schedules on devices for locally verifying payment status; activating restrictions only if payments are long overdue beyond set limits.
₹37,500 INR in 7 days
3.9
3.9

Hi, I'm Karthik, a Full Stack Developer with 15+ years of experience building enterprise applications, Android solutions, MDM platforms, secure APIs, and SaaS products. Your EMI Locker platform requires a robust, scalable architecture, and I can deliver the complete solution including the Android customer app, Retailer Dashboard, Super Admin Panel, Backend APIs, License Management System, payment tracking, notifications, reports, and secure role-based access. I have experience designing secure systems with device binding, OTP authentication, encrypted communication, audit logs, and scalable cloud infrastructure. I'll also provide a well-documented architecture, API documentation, deployment guide, and complete source code for future maintenance. Before development, I'll propose the best technical approach for offline device management, license security, command authentication, and data protection to ensure a reliable and scalable platform. Looking forward to discussing your requirements. Best Regards, Karthik 15+ Years | Android | MDM | Enterprise SaaS | API Development | Full Stack Development
₹74,250 INR in 7 days
3.7
3.7

Hello, I’m SamreenCoders, a new freelancer on Freelancer.com and a professional Mobile App Developer specializing in high-performance Android and iOS application development. I build modern, scalable, and user-friendly mobile applications tailored to your business needs — focusing on smooth performance, clean UI/UX, security, and long-term scalability. Mobile App Development Expertise: • Android App Development • iOS App Development • Cross-Platform Apps (React Native) • Custom Business Apps • eCommerce Mobile Apps • CRM & SaaS Mobile Applications • API Integration & Backend Development • Firebase & Real-Time Database Integration • Payment Gateway Integration • App Store & Play Store Deployment I develop apps that are fast, secure, mobile-optimized, and designed to deliver an excellent user experience across all devices. Whether you need a startup MVP, a business automation app, or a full-featured enterprise solution, I can handle the project from concept to deployment. Although I’m new to Freelancer.com, I bring strong technical expertise, clean coding standards, and full dedication to delivering high-quality work on time. I would be happy to discuss your project requirements and start immediately. Best Regards, SamreenCoders
₹37,500 INR in 8 days
2.6
2.6

Hello! Based on your project description, you are looking to build a complete EMI Locker and Device Management Platform for mobile retailers that includes a customer Android application, retailer dashboard, super admin panel, backend APIs, and a secure license management system. The platform will automate EMI tracking, payment reminders, remote device management, offline enforcement, location tracking, reporting, and role based administration while supporting thousands of retailers and devices with a scalable and secure architecture. I will focus on developing a robust, enterprise grade solution with secure authentication, device binding, encrypted communication, scalable APIs, and a well structured backend. I will implement retailer and admin dashboards, license lifecycle management, EMI workflows, audit logs, offline verification strategies, and comprehensive documentation to ensure the platform is secure, maintainable, and ready for future expansion while keeping clean architecture and production quality standards throughout the project. I specialize in enterprise mobile and full stack development with 7+ years experience and I have done similar work in past please open the chat window so I can share with you. Thank you for considering my proposal. I look forward to hearing from you soon. Best regards, Nikita Gupta.
₹100,000 INR in 36 days
2.7
2.7

Hey! With my 6+ years experience in web and mobile app development, I'm more than well-equipped to handle the complexities of the Mobile Retail EMI & Device Management project. My experience extends to building scalable solutions with secure offline capabilities - something particularly important to this project. I understand and can implement the need for secure offline storage of EMI schedules on customer devices, local payment verification, and the timely triggering of enforcement mechanisms when payments are overdue. My ability to build robust API and backend systems will also be beneficial for developing your License Key Activation System. I can ensure that retailers have access only to their own respective keys while implementing smooth and reliable linkage between devices and license keys—no multiple activations or license misuse under my watch. Lastly, as someone deeply committed to providing end-to-end solutions from design to deployment, I plan on installing key features such as an automated Payment Reminder System that incorporates multiple notification methods, offline-capable Application Restriction and App Lock systems on the Customer EMI Locker Mobile App. Let’s work together to develop a sustainable solution that aids not just our client-retailers but the customers they serve! With me in your team, achieving long-term success through clean architecture, modern design and efficient execution will no longer be a quandary but a given!
₹45,000 INR in 20 days
2.2
2.2

Hi, We at **Acute Tech Solution** specialize in **mobile app development, EMI management systems, and device management solutions**. We can build a secure Mobile Retail EMI Device Management app with EMI tracking, payment reminders, device control, user authentication, admin dashboard, API integration, and real-time monitoring. Similar EMI device management solutions commonly include remote lock/unlock, tracking, and centralized admin control features. Our team delivers scalable, secure, and user-friendly solutions with clean code, timely updates, and reliable support. Ready to start immediately. Regards, **Acute Tech Solution**
₹56,250 INR in 7 days
1.9
1.9

Hello, I understand that you need Mobile Retail EMI & Device Management Software , and I can help you achieve the exact result you're looking for. I believe clients don't just need someone to complete a task—they need someone reliable who understands requirements, communicates clearly, and delivers quality work on time. That's exactly what I focus on with every project. With proven experience working with clients across different industries, I always aim to provide solutions that meet expectations and create real value. Why work with me? Quality-focused approach Fast and professional communication Attention to detail On-time delivery Commitment to client satisfaction Before we get started, I'd love to learn more about your goals and any specific requirements you may have. Let's discuss your project and find the best way to make it a success. Best Regards, Muhammad Abdul Samee
₹37,500 INR in 1 day
1.2
1.2

Hello, I’ve reviewed your EMI Locker & Device Management platform requirement in detail, and this is the kind of product where the success of the build depends heavily on getting the architecture, device-control strategy, security model, and retailer-level data isolation right from day one. I have experience building Android applications, admin/retailer dashboards, license-based systems, payment and tracking workflows, and API-driven business platforms using Android/Flutter, PHP/Laravel, Node.js, MySQL, Firebase, and scalable dashboard development. For a platform like this, I would structure the solution across four clear layers: the Android customer locker app, a retailer operations dashboard, a super admin panel, and a secure backend with license binding, EMI logic, device command management, audit logs, and reporting. For device management, I would first define the exact control model—Device Owner / kiosk-style control vs app-level restriction approach—because features like remote lock, app restrictions, offline enforcement, SIM tracking, and command authentication depend heavily on that technical direction. I’d also map the full license lifecycle, secure device binding, overdue rule engine, offline verification logic, and retailer-wise access controls before implementation starts so the system remains scalable for thousands of devices. Best regards, Prachi
₹41,000 INR in 20 days
1.0
1.0

Hello there, I read your project carefully. I understand you need a secure EMI device management platform with Android device control, retailer and admin dashboards, license management, payment tracking, and remote lock and unlock features. My approach is to build a scalable Android application, secure backend APIs, retailer and admin panels, license management, and role based security with clean architecture and complete documentation. I am available for a quick call today. Should the device management be implemented using Android Device Owner mode or an existing Mobile Device Management solution? Regards, Rohit
₹50,000 INR in 7 days
0.7
0.7

Rajasthan, India
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