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I’m rolling out a full-fledged hotel booking ecosystem that lives on three fronts: a customer-facing Android app, an iOS app, and a browser-based admin portal. The apps must let travellers search live inventory, choose an exact room (e.g., “Room 457” instead of a generic “Double”), pay securely, and leave ratings and reviews once their stay is over. Property data can never be stale, so real-time room availability has to stay in sync with external channels such as Airbnb and [login to view URL]; whichever API or iCal approach you prefer is fine as long as double-booking risk is zero. Each hotel owner will have an individual account with the freedom to update rates, photos, descriptions, blackout dates, and promotions at any moment without touching code. Multi-layer user permissions are essential: • Admin – global control over every property, full user/account management. • Hotel Owner – sees only their own properties, edits rooms, rates, and availability. • Receptionist – limited to front-desk tasks within a single hotel. • Customer – searches, books, pays, and reviews. The web portal must cover user account management and live inventory control from a desktop dashboard. Detailed analytics can come later; for launch, stability and real-time accuracy take priority. Core tech expectations include secure payment gateway integration, push notifications, and clean, responsive UI/UX across all devices. Code quality, documentation, and deployment pipelines should be production-ready so we can scale quickly. Deliverables 1. Android application (Play-Store ready) 2. iOS application (App-Store ready) 3. Web admin interface with role-based access control 4. REST/GraphQL API and database schema 5. Source code, build instructions, and basic unit tests The project wraps when a test hotel can sign up, load rooms, watch them sync with an external OTA, take a live booking from a customer, and see that booking appear instantly in both the receptionist dashboard and the owner’s app view.
Project ID: 40571570
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234 freelancers are bidding on average €3,952 EUR for this job

Hello, I’ve read your requirements carefully, and it would be an honor to work with you. I have 14+ years of experience developing cross-platform mobile apps, web portals, booking systems, and scalable backend APIs. I can build a production-ready hotel booking platform with Android, iOS, and web admin applications, real-time OTA synchronization, secure payments, role-based access control, push notifications, and a modern, responsive UI. The solution will include clean, well-documented code, scalable architecture, REST/GraphQL APIs, deployment pipelines, and thorough testing to ensure reliable real-time booking management. Please check my profile to see my reviews and ratings from previous clients. The budget and timeline for the project can be discussed further. Warm regards, Harpreet Singh
€3,000 EUR in 5 days
9.5
9.5

Hi there, We understand you're looking to develop a comprehensive cross-platform hotel booking system, encompassing Android and iOS apps, as well as a browser-based admin portal, with real-time room availability synchronization across external channels like Airbnb and Booking.com. With our expertise in mobile app development (having built a music voting app using React Native and a furniture store app with Flutter), PHP, and web development, we're confident in delivering a scalable and secure solution. Our experience with payment gateway integrations, RESTful APIs, and database management will ensure a seamless user experience. We'll provide a robust system with role-based access control, secure payment processing, and responsive UI/UX across all devices. One question: Have you considered any specific payment gateways for integration, or would you like us to recommend options? Feel free to message us to discuss the details! — Webbook Studio
€3,000 EUR in 30 days
9.2
9.2

As someone with extensive experience developing Android and iOS apps, as well as full-stack websites, I firmly believe I am the person you need for this project. I am confident in my ability to create a smooth, user-friendly experience on both mobile platforms and a browser-based admin portal. My understanding of the project’s core tech expectations, including secure payment gateways, API integration, and clean UI/UX design will allow me to deliver a product that meets your specifications. My services are always end-to-end to provide you with a seamless and fully integrated solution. Moreover, throughout my career, I’ve had ample experience building user management systems and role-based access controls, closely mirroring what you require for multi-layer user permissions. Having launched multiple marketplaces and blockchain-based platforms where real-time accuracy is paramount, your project's live inventory synchronisation necessitating zero double-booking risk is completely feasible for me. Choose me for this project and I'll ensure your hotel booking system will be deployed efficiently, with scalable code quality and proper documentation to future-proof your vision.
€5,000 EUR in 90 days
9.3
9.3

Hi — Elias here from Miami. I understand you’re developing a hotel booking system across multiple platforms. This project is about creating a seamless experience that accommodates various user roles and complex workflows. What usually matters most here is ensuring the system can scale effectively while remaining reliable. A common issue in such systems is managing integrations with payment gateways and ensuring the backend supports real-time transactions. The tricky part is often state management and ensuring users have the right permissions throughout their journey. My approach would involve structuring the backend with a robust API to handle requests efficiently, while keeping the frontend intuitive. I’d prioritize maintainability to accommodate future features without major overhauls. I've developed similar platforms where user management and payment processing were critical, ensuring a smooth user experience across web and mobile. A few questions to better understand the scope: Q1 – What specific user roles do you envision in the system? Q2 – Are there particular payment gateways you prefer? Q3 – How do you plan to handle customer support and notifications? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.
€4,500 EUR in 17 days
8.7
8.7

Hi I can create a hotel booking app for you. I need design assests from you and a detailed document and i can create the backend system for you and front facing apps for customers. Lets chat
€7,500 EUR in 7 days
8.9
8.9

Hi there! Did go through your job description and glad to share that I have experience in working with ReactNative, TypeScript, Mobile App Development, HTML, CSS, JS development platform. I have more than ten years of industry experience and have been the part of diverse industry verticals. I also have expertise with ReactJs,VueJs, Laravel, Magento, WordPress, PHP, API's development & Integration and CodeIgnitor along with XD and Figma. So can help you with the design as well. Looking forward to your response.
€3,000 EUR in 25 days
8.6
8.6

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in PHP, Mobile App Development, iPhone, Android, Web Development, Payment Gateway Integration, RESTful API, Database Management, API Development and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
€4,433 EUR in 5 days
8.9
8.9

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your hotel booking system project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
€3,000 EUR in 35 days
8.0
8.0

Hi there, We’ve built similar hotel booking systems with multi-role access and real-time syncing with external channels like Airbnb and Booking.com. We also developed a fully-fledged web admin panel for hotel owners to manage their properties independently. We can use a combination of server-side and client-side solutions to ensure that the latest availability is always displayed, even if a customer is actively booking a room. We’ve successfully implemented this approach in our previous projects. In addition to our extensive experience with web and mobile technologies, we also have dedicated resources for UI/UX design, QA, and DevOps, so you get a complete product without needing to manage multiple vendors. Let’s schedule a quick 10-minute call to discuss your project in more detail and see if I’m the right fit for your needs. I’m looking forward to hearing more about this exciting project. Best, Adil
€4,157.53 EUR in 21 days
7.6
7.6

Hello, Nice to meet you! I clearly read your complete requirements, you want hotel booking application and I am able to do this. I will work as per your need. I have 7+ years of experience. and i developed many apps for many clients. Please message me in the chat so we can discuss more about the requirements. I assure you that Hiring me for the project will be your best decision. Services that I will offer: # Support up to 1 Year. (Free) # Update daily or weekly bases. # Available 18+ hours in day for discussion. # Free bug fixing till complete development. # Free manual testing. # Logo + app + web design. # App & web Thanks & Regards Arun Goswami
€3,000 EUR in 15 days
6.9
6.9

As an experienced developer with an extensive background in both mobile app development and PHP, I am confident in my ability to execute your cross-platform hotel booking system impeccably. My expertise encompasses creating clean, efficient, and user-friendly web and app experiences that are tailored to meet the specific needs of your industry. In terms of functionality, I understand the importance of real-time room availability synchronization across multiple platforms to avoid double bookings and maintain data relevance. I am also experienced in implementing Role-Based Access Control which is pivotal for your project's multiple user hierarchy. I have successfully delivered complex projects before with similar functionalities such as OTA synchronization and secure payment gateway integration. In addition to my technical skills, I value communication, clarity, and long-term relationship building. I am fully committed to delivering high-quality code, comprehensive documentation, and a production-ready solution that can scale seamlessly. Your satisfaction and the success of your project are my top priorities and I believe that together we can bring your vision to life. Let's connect to discuss further how we can create a top-notch booking system!
€3,000 EUR in 50 days
6.6
6.6

Hello, I will develop your HOTEL BOOKING MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
€3,000 EUR in 35 days
6.6
6.6

I am Nitin, the driving force behind SoftwareLinkers. Over the years, my team and I have established a reputation for delivering successful, secure, and scalable digital systems. So why choose us for your ambitious cross-platform hotel booking project? Because we don't just write code; we deliver results - every time. With our extensive experience in PHP backend development, RESTful API integration, and married with the Cross-Platform skills to build not just an Android or iOS app but both simultaneously. I assure you that your hotel booking system will be seamless and robust across devices. As a full-service provider, we'll also deliver a web admin interface with role-based access control - essential for managing all necessary user permissions. Moreover, our past projects have demanded real-time data synchronization skills through APIs or iCal approaches just like this one. Our APIs have always been reliable to ensure your property data is never stale and slashing your double-booking risk count to zero. We are well-acquainted with the need of each individual hotel owner to manage their account without any coding knowledge, hence we give them the freedom to update rates, photos, descriptions, blackout dates independently.
€3,800 EUR in 42 days
6.5
6.5

Hi I will be able to help you in your Booking platform development both web and Mobile ap. I have done some booking platform before also and can give demo also if needed. 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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
€3,000 EUR in 45 days
6.6
6.6

Hello, Is your team already set on using GraphQL, or are you open to REST for the API implementation? Do you have a preferred payment gateway in mind, or are you looking for recommendations? Excited about building this booking ecosystem! I plan to ensure seamless data sync between platforms by focusing on robust integration with external OTAs. Addressing potential sync issues is crucial, and I'll handle it by implementing a strong synchronization mechanism. Let's chat to tailor the timeline and budget perfectly to your needs. Looking forward to diving into this with you. Feel free to send a quick message or call, and we'll get started!
€3,000 EUR in 15 days
6.0
6.0

Your project needs a system where every booking detail stays instantly synced across apps and external platforms without risking double bookings. I handled a hotel client whose inventory connected to multiple OTAs; we set up seamless real-time sync using a mix of OTA APIs with fallback iCal parsing, plus strict locks at booking time to avoid conflicts. For user roles, I’d build role-based access directly into both the backend and the admin portal interfaces to keep permissions clean and secure. I suggest using push notifications tied to booking status changes, so owners and receptionists get immediate updates. For the API, do you prefer REST or GraphQL to optimize data fetching for mobile apps? Also, will the payment gateway be region-specific or global? That impacts integration choices. Getting the live sync stable between external OTAs and your own system will be the main challenge, but experience shows a microservice or queue-based approach handles that smoothly and keeps data fresh. I’ll deliver the apps and admin portal with production-ready builds, solid documentation, and tests so you can onboard hotels and go live confidently. Ready to jump in and get your test hotel set up for real-time bookings across every channel.
€3,000 EUR in 7 days
6.0
6.0

I am excited about the opportunity to develop a comprehensive hotel booking system that caters to both customers and hotel owners. With your emphasis on real-time inventory synchronization and secure payment capabilities, we can create a seamless experience for users across Android, iOS, and web platforms. Your need for role-based access control is crucial in ensuring the right functionality for different users, from admins to customers. Furthermore, I recognize the importance of avoiding double-bookings by utilizing reliable APIs from platforms like Airbnb and Booking.com. This will ensure that hotel availability remains accurate and current. Understanding your priority for stability and accuracy at launch, we can focus on essential functionalities while scaling up analytics over time. I’m eager to bring my expertise in secure integrations and responsive design to achieve your vision, creating clean user experiences and maintaining high code quality. To further refine the project’s success, What specific APIs do you prefer for real-time inventory synchronization?
€3,000 EUR in 13 days
6.0
6.0

Hey, I'm really pumped about this opportunity! I recently led a project with similar challenges and nailed it. Drawing from my experience in PHP, Mobile App Development, iPhone, Android, Web Development, Payment Gateway Integration, RESTful API, Database Management, API Development, I’m ready to dive into your project. Please come over chat and discuss your requirement in a detailed way. Kind regards, Vishal Maharaj
€3,000 EUR in 30 days
5.1
5.1

I understand the need for real-time data syncing with external channels and stringent permissions requirement for different user types. Having implemented complex systems involving Multi-tier access control before, I can guarantee sturdy architecture that would uphold the confidentiality and integrity of user data across all platforms. Security is non-negotiable when it comes to financial transactions; I have extensive experience integrating secure payment gateways. Additionally, my proficiency in PHP will facilitate seamless API development and database management which are vital for this project. With every project I undertake, I place a strong emphasis on code quality, smooth deployment pipelines, thorough documentation and basic unit tests to ensure production-ready deliverables. Finally, my long-term approach to website development ensures that the platform we build together will not only meet your current needs but also continue to perform impeccably even as you scale your business. I prioritize performance, conversions and long term stability in my designs making sure they align with your specific business goals. Investing in me is investing in a successful future for your project!
€4,500 EUR in 19 days
5.1
5.1

As the founder and lead developer for Web Crest, I can guarantee that we're the team you need for this ambitious and multifaceted project. We have a proven track record of delivering scalable, high-performance software solutions for startups, SMEs, and enterprises. From AI-powered applications to mobile apps and web development, our offerings align perfectly with all aspects of your hotel booking system. With your vision in mind, we have the unique skills to create a user-friendly architecture that incorporates multi-layered user permissions and covers all the functionalities outlined in the project description. Our deep understanding of Android, iOS, PHP, API development and payment gateway integration will ensure not only a secure and efficient system but also one that is fully compliant with App-Store and Play-Store requirements. Moreover, our experience doesn't stop at simply crafting the solution – we provide comprehensive support. In addition to building your desired system, we will provide you with detailed documentation for your reference. This alongside the rest of our deliverables promise will equip you in ensuring your system lives on a stable environment post launch while enabling efficient scaling by other service providers if needed. Let's build something exceptional together!
€3,000 EUR in 7 days
4.9
4.9

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