Android/Backend Developer for Library Management App

@extreamcode

Hello, What you need here is not just an app, but a tightly controlled system where each library stays isolated, roles never overlap, and the admin layer always stays in command. I’ve built full-stack mobile and backend solutions in Kotlin, FastAPI, and PostgreSQL, and I can design this library platform with secure JWT auth, role-based dashboards, and clean multi-tenant data separation from day one. I’ll structure the backend around scalable REST APIs, normalized database design, and permission-driven access for Super Admin, Sub Admin, and Members. On the Android side, I’ll deliver a modern, responsive app with smooth navigation, secure login/register flows, book issue/return tracking, member management, and searchable inventory views. 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. Would you like the backend to be built as a strict multi-tenant architecture with separate library data isolation at the database level, or is application-level separation enough for your first release? Looking forward to your reply so we can finalize the exact plan. Thanks, Asad

@mrresearcher99

Hello, I have 10+ years of experience in Android app development, FastAPI backend systems, PostgreSQL database architecture, and scalable multi-role applications. I can develop your complete Library Management System with secure role-based access and multi-library architecture. The project will follow clean architecture, secure coding practices, and proper API structuring to support future scalability like QR issuing, notifications, analytics, subscriptions, and cloud deployment. I focus on clean code, long-term scalability, and reliable communication throughout development. Best regards

@mariakhan73700

As an Android and Backend Developer with expertise in a wide range of relevant technologies, I'm confident that I'm the right choice to take on this Library Management application project. My extensive experience in Android app development using Kotlin combined with my knowledge of Python and FastAPI for backend APIs aligns perfectly with the preferred technologies you've mentioned. Moreover, I specialize in the crucial aspects your project demands including secure authentication, role-based dashboards, API integration, responsive UI, and scalable architecture. In addition to my tech stack fit, I have a proven track record of developing complex systems with multi-level user roles and managing secure logins with JWT Authentication. My understanding and implementation of role-based authorization ensure that only authorized access is granted. I have also worked on multiple tenants applications that emphasize data isolation - a key requirement for your project since your platform should manage multiple libraries independently. Throughout my career, clean code, efficient project structure, and timely delivery have been my priorities. I can guarantee the provision of well-documented API endpoints, deliverables per your expectations (including APK build, Database Schema, Deployment Instructions) and the future extension potential for your system like QR code-based book issuing, fine calculation system, push notifications etc.

@Rajoriadares

Hello Client, Greeting of the day!!!! I read your job description. I can do this job with quality product. I am always available for your support. Thanks

@ashinnd84

Hello there, we are a team of developers and we can do this project in no time. Thanks Ashish Kumar.

@Riasatali78

With over 7 years of experience in Android development under my belt, I am confident and more than capable of bringing your vision for a modern Library Management App to life. I have extensive skills in Kotlin, among other tools and frameworks required for this project - giving me a strong foundation to build upon. My past projects, covering everything from streaming to business utilities, demonstrate my versatility and adaptability as an Android developer - crucial characteristics for this multi-role app. Over the course of my career, maintaining clean and optimized code has remained central to my approach. With architecture like MVVM and libraries like Retrofit and Room, I can ensure security and performance along with a smooth user experience. I understand the importance of scalability and role-based access control (core features of this project) for apps like yours which could grow rapidly. Living up to its name, I intend to deliver reliable Android applications that meet business requirements for the long haul - no aspects overlooked. Hoping for the chance to leverage my skills and passion into creating a robust application that scales coherently with your visions.

@letscms

Hello, I have strong experience in Android app development, FastAPI backend systems, PostgreSQL database architecture, and scalable multi-tenant applications. I can build a complete Library Management System with secure role-based access control for Super Admin, Library Owners, and Members under a scalable centralized architecture. • Kotlin-based modern Android application with responsive UI • FastAPI backend with JWT authentication and secure REST APIs • PostgreSQL database design with multi-library data isolation • Role-based dashboards for Super Admin, Sub Admin, and Users • Book issue/return tracking, inventory, transactions, and reporting • Clean architecture, API documentation, deployment guide, and scalable codebase The system will be designed to support future features like QR-based issuing, fine management, push notifications, subscriptions, analytics, and cloud deployment without major restructuring. Best regards, Jitendra Sharma

@Mats100

Hi,I have experience building role-based Android and backend systems and can develop your multi-tenant Library Management platform with Kotlin, FastAPI and PostgreSQL using a secure and scalable architecture. I can implement JWT authentication, role-based dashboards, library-specific data isolation, REST APIs, book/member management, transaction tracking and clean project structure for future expansion like QR issuing, notifications and payments. You’ll receive complete source code, API docs, database schema, APK build and deployment instructions with regular progress updates throughout development.

@haitham1996

Hello,I’m a Software Engineer Udacity certified in Full Stack Web Dev and Mobile Development track with over 4+ years of experience building scalable backend systems ,android application , RESTful APIs, and automation solutions using these tracks including Java (Spring Boot),kotlin, Python/Django, and modern low-code tools like N8N. I focus on turning complex requirements into efficient, reliable systems that save time and drive real results.

@nikhilroyjs

Hi there! Your Library Management App project sounds fantastic and I'm keen to help bring it to life! I understand your need for a multi-role (Super Admin, Sub Admin, User), multi-tenant system with a robust backend and a modern Android application. My expertise in **Django** is perfectly suited for building the scalable, secure backend you require, handling REST APIs, JWT authentication, role-based access control, and PostgreSQL integration efficiently. For the Android application, I will ensure a modern, responsive UI and seamless API integration, delivering an intuitive experience for all users. I'm confident in providing all deliverables, including clean source code, database schema, and API documentation. Let's discuss how my skills can build a top-tier system for you. Regards, Nikhil Chandra Roy

@Baghali1

Hello, I have read your project description and analyze your requirements. I already developed role based app if you want I'll show you. Every user login according to their role. Waiting for your response.

@nitinjohnson316

Hello, I have 14+ years of experience building scalable web and mobile applications with role-based systems, multi-tenant architecture, APIs, and admin dashboards. Your Library Management System requires proper backend structure from the beginning, especially for multi-library isolation, role permissions, and future scalability. I can help build this using Kotlin for Android, FastAPI for backend APIs, and PostgreSQL for secure and scalable data management. I can handle: * Android app development * JWT authentication & RBAC * REST API development * Multi-library architecture * Book issue/return workflows * Admin and user dashboards * Database design and API documentation * Clean and maintainable project structure Future features like QR issuing, subscriptions, notifications, and analytics can also be added smoothly on top of the core system. Looking forward to hear from you. Regards, Nitin Johnson

@Visharaa2024

Hi there! As an accomplished and verified mobile app developer with over 8 years of experience, I firmly believe that I have the technical skills and prior expertise to deliver a cutting-edge Library Management Application that you're looking for. Throughout my career, I've successfully developed and deployed more than 150 mobile applications, including booking systems similar to what you're expecting. My proficiency in Android development and Python backend will enable me to build functionally-rich roles, as per your requirements, while providing a secure authentication facility with JWT tokenization. Additionally, my familiarity with scalable database architecture - especially PostgreSQL - is essential for managing the vast amount of data that your Library Management App would entail. Not just limited to development, but I'm well-versed in creating detailed API documentation, proper project structuring, and adhering to clean code practices. My previous clients have always been appreciative of the satisfaction-oriented approach I adopted; ensuring project delivery within deadlines without compromising on quality - something I'll be ensuring throughout this process too! So let's make it happen together. Hand over this project to me, and rest assured; you'll be getting the perfect Android/Backend Developer who can transform your Library Management vision into reality while providing future-proof potentials!

@antopstechnology

Hi there, We can help you build a scalable, secure, and feature-rich multi-role Library Management Application with robust backend architecture and role-based access control. With 12+ years of experience in Android app development and backend systems, we specialize in building management platforms with complex user roles, analytics, and scalable infrastructure. We will develop a complete solution supporting Super Admin, Sub Admin (Library Owner), and User (Library Member) roles with secure authentication and permission-based access. The platform will include library management, inventory tracking, member management, book issue/return systems, analytics dashboards, and transaction monitoring. Our services include: ✔ Android application development ✔ Scalable backend API architecture ✔ Role-based access control system ✔ Book inventory & transaction management ✔ Analytics & reporting dashboard ✔ Secure database and authentication system ✔ Clean UI/UX with responsive admin panels Why choose us ✔ Professional & experienced team ✔ 1000+ happy clients ✔ Serving clients in 15+ countries ✔ Long-term support available Let’s discuss more in private chat. Regards, Antops Technologies

@kuldeepsharma30

Hello, I can build your multi-role Library Management System using Kotlin (Android) + FastAPI + PostgreSQL with a clean, scalable architecture. Solution overview: Android App: • Role-based dashboards (Super Admin / Sub Admin / User) • Secure JWT login system • Book search, issue, return, and history tracking • Clean UI with library-specific data isolation Backend: • FastAPI REST APIs • PostgreSQL database design • Multi-tenant architecture (multiple libraries) • RBAC (role-based access control) • Secure authentication and transaction management Deliverables: • Android source code (Kotlin) • Backend source code (FastAPI) • Database schema • API documentation • APK + deployment guide The system will be scalable, secure, and ready for future features like QR issuing, fines, notifications, and analytics. Although my profile is new, I focus on clean architecture, maintainable code, and production-ready mobile + backend systems. Ready to start immediately. Regards, Vk

@welldonewisher

I am experienced Backend developer and can build you a multi-role Library Management Application with scalability requirements and role-based access. I understand the application supporting different user levels and their controls ofer the system are clear. I can develop both the android application with standard security implemented in it.

@bhartimalu

Hi, I can develop your Library Management App with Android frontend and robust backend, including book cataloging, member management, issue/return tracking, barcode/QR support, notifications, reporting, and secure API integration. Experienced in Android + backend app development with scalable architecture and clean delivery. Ready to start immediately. Regards, Bharti

@Samuelsituma21

I am an expert in software development with 5 years of experience. I possess good skills in Android app development I have worked on many apps before published on playstore and I believe I will deliver great work if given an opportunity i am looking forward to hearing from you.

@vasylklymiu

I can build your full Library Management System with Android app and FastAPI backend supporting super admin, sub admin, and library member roles with secure multi-tenant structure. Right now most library systems are either too basic or not properly separated by roles, but this solution can make each library fully independent while still controlled from a central admin system. I will build it using Kotlin for Android, FastAPI for backend APIs, PostgreSQL database, JWT authentication, and role-based access control with clean multi-tenant architecture. I think designing the system with strict data isolation per library from the start will make scaling to many libraries much safer and easier later. As a Senior Developer with 8 years of experience, I am very good with Android development and backend system architecture using Python and FastAPI. It is expected that all tasks can be completed within 5 days. I have one question, do you want each library to have separate database schema or a shared database with strict row-level isolation. I am waiting for your reply. Vasyl.