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I’m building a cross-platform application that lets customers book construction materials while suppliers and administrators manage everything from stock to delivery in real time. The product must run smoothly on iOS, Android, and the web with a single, consistent code-base. Core experience • Role-based access for Admin, Supplier, and Customer accounts • Live GPS tracking so customers can follow their orders and I can monitor supplier fleets • A robust admin dashboard that shows orders, payments, inventory, and analytics at a glance • Supplier management tools for pricing, stock updates, and order status What I need from you 1. Full UX/UI and technical architecture, then iterative builds for mobile (Swift/Kotlin—or a shared framework like Flutter/React Native) and a responsive web portal. 2. Secure backend with real-time database and scalable APIs, plus separate dashboards for each role. 3. End-to-end testing, store deployment, and brief documentation so my in-house team can maintain the code. Acceptance criteria • One set of credentials logs each user into their specific role with the correct permissions. • GPS locations update automatically every few seconds and render on Google Maps/Apple Maps in both mobile and web views. • The admin dashboard aggregates orders, stock, and user analytics without lag when tested with 1,000+ simultaneous sessions. • A demo dataset shows the full ordering flow—customer request, supplier confirmation, live delivery tracking, and proof of delivery upload—working flawlessly. If you have shipped similar marketplace or logistics apps, especially with real-time location features, let’s talk about timelines and a milestone plan that gets us to launch quickly.
Project ID: 40644474
133 proposals
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133 freelancers are bidding on average ₹28,582 INR for this job

As a renowned software development enterprise with an enviable track record, CnELIndia is perfectly positioned to take on your Construction Materials Booking App and deliver an unparalleled solution. Over the years, we've thrived in building robust role-based access systems, real-time GPS tracking functionality, and comprehensive admin dashboards that handle complex analytics, all of which are critical to your project's success. Our expertise extends across multiple platforms, enabling us to provide consistent code-bases for iOS, Android, and web-based applications. Notably proficient in React Native—the shared framework you have considered—we can expedite and simplify the development process of your app without compromising on efficiency or quality. With us onboard you can be sure of timely iterative builds for mobile and the web along with thorough end-to-end testing, store deployment as well as comprehensive documentation for future maintenance. Invite us on board and prepare to witness the transformation of your idea into a user-friendly reality!
₹25,000 INR in 7 days
9.0
9.0

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 construction materials booking app 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
₹35,000 INR in 24 days
8.0
8.0

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert
₹25,000 INR in 7 days
7.1
7.1

Dear Hiring Manager, I understand you need a scalable cross-platform construction materials booking and delivery platform with role-based access, real-time inventory, orders, payments, supplier management, and live GPS tracking across mobile and web. Implementation Approach: Build a shared Flutter/React Native architecture with responsive web support. Implement secure role-based authentication and dedicated Admin, Supplier, and Customer dashboards. Develop real-time APIs/database for orders, inventory, pricing, payments, and delivery status. Integrate Google Maps/Apple Maps with frequent GPS updates and delivery proof uploads. Optimize backend and database performance for 1,000+ concurrent sessions, followed by complete QA and deployment. Queries: Do you have a preferred Flutter/React Native stack? Which payment gateway and GPS tracking provider should be integrated? Should supplier assignment be manual, automatic, or distance-based? I’m ready to build this end-to-end. Can we discuss details? Best regards, Jitendra
₹25,000 INR in 5 days
6.9
6.9

As someone who has been in the industry for over 8 years, I've amassed the necessary skills and expertise to build you a top-notch construction materials booking app. My experience traverses various digital sectors, from building custom websites with Laravel, React, and PHP, to mobile app development using languages like Flutter that will cater to your cross-platform needs. My proficiency in API Development and third-party integrations will allow for seamless communication between databases and GPS systems to ensure the live tracking features work beautifully. Finally, my experience with more than 200 successfully delivered projects showcases my ability to not only understand but exceed client expectations. Given the challenges of closely coordinating multiple stakeholders through a single platform while maintaining smooth database operations, I am confident in my ability to get your app up and running quickly without compromising quality or security. Partnering with me means you'll have a dedicated professional committed to crafting exactly what you need – an efficient, user-friendly app that's tailor-made for your business’s success.
₹24,999 INR in 7 days
6.4
6.4

I can create the full UX/UI and technical architecture for your cross-platform construction materials booking app. My first step will be to outline the user role access and permissions to ensure a secure experience for admins, suppliers, and customers. Based in Toronto, Canada, I work efficiently and stay available for any questions or updates throughout the project.
₹12,500 INR in 3 days
6.6
6.6

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹12,500 INR in 10 days
6.7
6.7

I checked your job post, I have accumulated an impeccable set of skills that is perfectly matched to your construction materials booking app project. From building high-quality websites and mobile apps to managing complex backend logistics, my team and I understand the need to build scalable platforms with live GPS tracking features you require. Basing our approach on secure backends with real-time databases and scalable APIs, we are poised to lay a rock-solid foundation for your application. Furthermore, our strong grasp on Flutter and React Native make us a suitable fit for creating a consistent code-base across different platforms. Few can boast of crafting projects similar to yours, especially with robust dashboards and live location tracking. Our previous ventures into this territory have seen a smooth ordering flow, from end-to-end, including customer requests, supplier confirmations, fleet tracking, and proof of delivery - all performed flawlessly. This unblemished track record is what you need for a successful launch of your construction materials booking app. Let's make it happen!
₹25,000 INR in 20 days
6.1
6.1

As an experienced Full-Stack Web developer with strong expertise in backend architecture, database design, and query optimization - I am well-equipped to build a secure and scalable backend with real-time database and APIs for your construction materials booking app. The fact that I'm also skilled at front-end development using React.js and robust with RESTful API would ensure smooth communication between the database and user interface, resulting in a seamless user experience. To guarantee successful delivery, end-to-end testing is essential and as an experienced developer this is one of my strongest suits. Being able to not only create but test and deploy ensures that there are zero compromises on quality before going live. My ultimate goal is your satisfaction so I'm open to repeated revisions until you are happy with the final product. Let's build what you need, secure, reliable and ready for maintenance.
₹12,500 INR in 7 days
5.7
5.7

As a seasoned full-stack web developer with more than 8 years in the field, I have become well-versed in building complex, scalable applications. My proficiency incorporates front-end skills like React.js and Vue.js - the exact technologies you need for this project - as well as back-end frameworks like Laravel, CodeIgniter, and Core PHP. This unique skillset allows me to create comprehensive solutions that run smoothly on both mobile and web platforms while ensuring optimal security and performance. Moreover, I have deep experience working on projects just like yours. From managing complex booking systems, inventory control to building powerful dashboards that show real-time analytics in a user-friendly way, I am confident that my capabilities align perfectly with what your project demands. Lastly, a testament to my dedication is my commitment to quality evident through providing clean and scalable code, facilitating fast communication for timely updates on your project progress and being focused on client satisfaction - which means going above and beyond to ensure your goals are not just met but exceeded. If chose for this role I will provide an end-to-end solution for your Construction Materials Booking App that is secure, reliable and most importantly aligns with your vision. I look forward to discussing how we can make this app a reality.
₹15,000 INR in 7 days
5.5
5.5

Hi, This is more than a construction-material marketplace—it’s a real-time ordering and logistics platform, so I’d design the architecture around live inventory, role-based workflows, and location tracking from the beginning. I’d recommend Flutter for iOS, Android, and web, backed by Node.js/NestJS + PostgreSQL with WebSockets for real-time updates and Google Maps/Apple Maps integration for tracking. The core build would include: * Separate Admin, Supplier, and Customer permissions and dashboards * Real-time orders, inventory, pricing, and payment status *Live GPS tracking with automatic location updates * Customer ordering → supplier confirmation → delivery tracking → proof of delivery * Scalable APIs and optimized queries for your 1,000+ concurrent-session target * QA, store deployment, documentation, and handover I’ve worked on marketplace and logistics-style applications involving role-based access, real-time data, maps, notifications, and delivery workflows. I’d suggest an 6-8 week phased build, with each milestone delivering a testable end-to-end flow. If you share your initial workflows or wireframes, I can break this into practical milestones and provide a detailed timeline. Best regards, Abhishek
₹25,000 INR in 7 days
5.9
5.9

Hello, I can create/modify the app/web as you wish. I have 6.5+ years of experience in this field. Let's connect and discuss more about your requirements. Thank you.
₹23,000 INR in 10 days
5.2
5.2

Hi! I’m Karthik, a Senior Mobile & Full-Stack Architect with 15+ years of experience building high-concurrency marketplace, logistics, and real-time tracking applications. I can deliver a cross-platform solution (iOS, Android, Web) using a single codebase that satisfies all your real-time tracking, role-based access, and high-load admin criteria. Recommended Tech Stack & Architecture Cross-Platform App: Flutter or React Native for 100% UI consistency across iOS, Android, and Web with native performance. Backend & Real-Time Sync: Node.js (Express/NestJS) or Go REST APIs paired with Redis + WebSockets / Firebase Realtime Database for sub-second GPS map tracking updates. Database & Search: PostgreSQL (with PostGIS for spatial queries) to efficiently handle 1,000+ concurrent sessions without lag. Maps & Storage: Integrated Google Maps / Mapbox API with S3 bucket integration for instant Proof of Delivery (POD) photo uploads. Proposed Milestones & Delivery Milestone 1: UI/UX Wireframes, Architecture Design & DB Schema setup. Milestone 2: Auth System (Role-based: Admin/Supplier/Customer) & Supplier Inventory Portal. Milestone 3: Customer Ordering, Checkout, and Real-Time GPS Tracking Module. Milestone 4: Admin Analytics Dashboard, E2E Testing, Store Deployment (App Store / Play Store), & Docs Handoff. Let's connect on chat to review live demos of similar logistics/tracking apps I've shipped!
₹50,000 INR in 7 days
5.1
5.1

As a seasoned full-stack developer specializing in Web Applications, Custom Software Development, AI-Powered Solutions, and Mobile Applications, I believe I have the skills and experience necessary to deliver the construction materials booking app you envision. Having built custom web platforms, SaaS products, business automation tools, AI integrations, mobile applications, admin dashboards among other app functions specified within your project; I've demonstrated my ability to create fully functional applications with robust backend systems and smooth UX/UI. One of your core requirements is real-time GPS tracking which I've already developed for several marketplace and logistics apps. With my deep knowledge of React Native for cross-platform development, working with any kind of Google or Apple Maps implementation posed minimal challenges for me in the past. This will ensure that your customers can easily follow their orders on iOS, Android, and the web while not compromising on your need to monitor supplier fleets. Additionally, I have extensive experience in building scalable backend systems with secure databases and APIs which will be crucial in handling the expected high volumes of data for order management. My implementation of separate dashboards for every role ensures that suppliers can easily manage pricing and stock update areas alongside their order status responsibilities. Suffice to say, by choosing me you'll not only receive a flawless app.
₹25,000 INR in 7 days
4.8
4.8

With over 6 years of experience working on complex and highly functional applications for various domains like e-commerce, sales management, and more, my team and I have the technical know-how to build your construction materials booking app from scratch. We understand the importance of real-time tracking, seamless role-based access, and a robust admin dashboard. We’ll leverage our expertise in Backend Development and Flutter or React Native to ensure your app runs smoothly on iOS, Android, and the web with a single codebase—saving you both time and money in the long run. In addition, we have ample exposure in backend development and data management with PHP as well as building interactive UIs using Flutter and JavaScript with frameworks like Bootstrap. Our skills align perfectly with your needs of a secure backend with real-time database and scalable APIs. Moreover, having dabbled extensively in mobile application development using Swift/Kotlin—I’m confident that we can provide an efficient mobile experience on par with your expectations. One area where our profile truly stands out is our attention to thorough testing and documentation. We'll make sure all functionalities—from login to GPS tracking—are rigorously tested to ensure a smooth performance with thousands of simultaneous sessions.
₹12,500 INR in 7 days
4.6
4.6

Hi, We can build your cross-platform construction materials platform using Flutter/recat Native + Node.js/NestJS + PostgreSQL, with real-time APIs and GPS tracking. Key features: Role-based Admin, Supplier & Customer accounts Product ordering, pricing, inventory and payments Real-time GPS delivery tracking with Google Maps Separate dashboards for each role Supplier stock, pricing and order management Proof of delivery upload Scalable backend tested for high concurrent usage iOS, Android and responsive web support Complete testing, deployment and documentation We’ll focus on a scalable architecture, smooth real-time experience, and clean code that your team can maintain long-term. Preferred stack: Flutter/React Native, Node.js/NestJS, PostgreSQL, WebSockets, Google Maps API and AWS. Let’s discuss the milestones and get your MVP moving toward production.
₹25,000 INR in 7 days
4.8
4.8

Building a construction materials booking app with such intricate features is right up my alley. As an accomplished developer, I've successfully delivered various complex projects to clients of global repute, much like the vision you have for the end-product. With over 8 years of experience in crafting robust and dynamic web and app solutions, I'm well-versed with technologies you require- including specialized expertise in Swift/Kotlin, Flutter and React Native, devops practices with Linux, Git and Docker, Databases like MongoDB/MYSQL, AWS services (EC2, Amplify, S3 etc.), UX/UI design tools like Figma/ XD. When it comes to logging in users into specific roles with correct permissions from a single set of credentials or developing real-time GPS tracking across multiple platforms while ensuring efficient stock management or managing database scaling for APIs – I've done it all before. My proven flexibility with transformative technologies and adherence to Agile methodology equips me to deliver iterative builds for your mobile and web platforms quickly without compromising the quality and security part of the software.
₹20,000 INR in 5 days
4.7
4.7

Hello, We have experience building marketplace, eCommerce, booking, and real-time tracking applications, and can develop your Construction Materials Platform within your budget and timeline. Ready to start immediately! We'll Deliver: ✅ Customer, Supplier & Admin Portals ✅ Product, Stock & Pricing Management ✅ Ordering, Payments & Order Tracking ✅ Real-Time GPS Delivery Tracking ✅ Google Maps / Apple Maps Integration ✅ Role-Based Authentication & Permissions ✅ Admin Dashboard & Analytics ✅ Supplier Fleet & Delivery Management ✅ Proof of Delivery Upload ✅ Responsive Web + iOS & Android Apps ✅ Secure, Scalable Backend & APIs ✅ Testing, Deployment & Documentation Let's connect to discuss the requirements, finalize milestones, and start development immediately. Best regards, Neha
₹30,000 INR in 17 days
5.7
5.7

With over a decade of experience building complex systems, including marketplaces and logistics apps with real-time tracking features, I believe I'm well-equipped for the task at hand. My technical proficiency in a wide range of technologies such as Android, Flutter, iOS, and React Native, positions me strongly to develop a cross-platform application like yours that maintains a consistent codebase across different platforms. This will ensure uniformity, ease, and convenience for all end-users. Additionally, I understand the importance of role-based access and how it pertains to your project. Trust that I will create secure backends with scalable APIs to handle this and provide separate dashboards for Administrators, Suppliers, and Customers respectively; granting each role the necessary capabilities to carry out their tasks effectively. My aim is not just a functional product but one that strategically impacts your business, something that my previous clients can attest to.
₹25,000 INR in 4 days
5.0
5.0

Hi, I can build your cross-platform construction materials marketplace using React Native + React, with role-based access, real-time GPS tracking, supplier/inventory management, payments, and scalable dashboards. I have strong experience with real-time mobile apps, APIs, maps, and admin systems, and can handle development, testing, deployment, and documentation end-to-end. Best, Utam
₹25,000 INR in 7 days
4.3
4.3

Bengaluru, India
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