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I want a cross-platform mobile app built with .NET MAUI that runs smoothly on both Android and iOS. The app will connect to my existing REST-based Web API for a simple username-and-password login, then guide warehouse staff through day-to-day tasks. Core functions • Barcode scanning: the camera should reliably read QR codes, UPC codes and Code 128 labels depending on context, decoding the data to send to the API. • Warehouse workflows: after login, users choose whether they are Moving, Picking or Receiving Goods. Each flow will call the relevant endpoints I already expose and display success or error messages in real time. • Offline handling: if the connection drops, cache the scan data locally and sync automatically when the device reconnects. UI/UX Keep the interface minimal—large buttons, high-contrast text, and vibrate/beep feedback after every successful scan so pickers do not need to look at the screen constantly. Technical notes • Use ZXing .Net or another well-supported scanner library that integrates cleanly with MAUI. • Support hardware scanner library where available for handheld scanners (e.g., Keyence BT-A600) with flexibility to add support for others upon customer request. • All API calls are JSON/XML over HTTPS; I will provide the OpenAPI spec and test server. • Please observe solid MVVM practices to keep the codebase maintainable and easy for my team to extend. Branding • Incorporate our color scheme and logos consistently throughout the app. Acceptance criteria 1. Login with username/password validated against my API. 2. Accurate scanning of QR, UPC and Code 128 at typical warehouse lighting distances. 3. Movement, picking and receiving screens post data to /move, /pick and /intake endpoints respectively and display the response. 4. Successful build and deployment packages for Android (AAB) and iOS (IPA/TestFlight). 5. Source code delivered in a clean Git repository with README instructions. If this scope is clear and you are confident with .NET MAUI and mobile barcode scanning, let’s get started.
Mã dự án: 40392816
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Hoạt động 18 ngày trước
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212 freelancer chào giá trung bình £2.111 GBP cho công việc này

A Warm Hello! We are readily available to start working on this project! I have read your job posting and glad to mention that requirements are clear—and importantly, realistic for a solid, production-ready mobile app. We are confident to provide you fast, reliable tool that warehouse staff can trust under real working conditions (lighting variance, intermittent connectivity, speed of operation). Our Understanding of the App We will provide you cross-platform (.NET MAUI) mobile app that: - Authenticates users via your existing REST API - Enables barcode scanning (QR, UPC, Code 128) with high reliability - Supports core warehouse workflows: Moving, Picking, Receiving - Handles offline scenarios gracefully (store → sync later) - Provides a minimal, high-visibility UI optimized for speed and usability This app will become a daily operational tool for your team. Our goal is to make it fast, dependable, and effortless to use under real warehouse conditions—not just functionally correct. We’re ready to get started. Best regards, Ana
£3.000 GBP trong 50 ngày
9,9
9,9

Hello , Nice to meet you! I will design and develop WAREHOUSE mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
£1.500 GBP trong 28 ngày
9,0
9,0

Hello, i have very rich experience working with Barcode scanning using ZXing Library. i have already worked on a UK based Warehouse applications for 2 years with Delivery, Proof of delivery, Lot, Lot move etc. Regarding your project, i would like to discuss the app features in detail to better understand your requirements. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have completed more than 525 projects either local or internet based. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.
£1.500 GBP trong 30 ngày
8,9
8,9

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a robust cross-platform mobile app built with .NET MAUI for efficient warehouse operations. Having successfully built and scaled mobile applications for over 1 million users, I am well-equipped to tackle the challenges of integrating barcode scanning functionality, real-time API interactions, and offline data handling into your warehouse workflow application. A strategic insight for ensuring scalability and security in this project is to leverage well-supported scanner libraries like ZXing .Net for reliable barcode scanning and implement solid MVVM practices for maintainable codebase architecture. My background in developing high-security systems and scalable applications aligns perfectly with the complexities of this project, ensuring a seamless and efficient solution for your warehouse management needs. I encourage you to reach out to discuss the roadmap further and how we can collaborate to bring your MAUI Warehouse Barcode App to life. I am confident in my ability to deliver a high-quality, user-friendly application that meets all your requirements within the specified budget and timeline. Let's make this project a success together.
£2.400 GBP trong 30 ngày
8,3
8,3

Hello, MAUI Warehouse Barcode App {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}}} I have reviewed your MAUI Warehouse Barcode App requirements and clearly understand the need for a fast, reliable cross-platform solution with offline sync and barcode scanning workflows integrated with your existing REST API. With 10+ years of experience in mobile and enterprise application development, I have strong hands-on expertise in .NET MAUI, MVVM architecture, and real-time warehouse systems. I will implement secure login, robust barcode scanning (QR, UPC, Code 128 using ZXing or equivalent MAUI-compatible libraries), and structured workflows for Moving, Picking, and Receiving. The app will support offline caching with automatic sync when connectivity is restored, ensuring zero data loss in warehouse environments. UI will be optimized for speed with large controls, high contrast, and haptic/audio feedback for scan confirmation. ++++++Service Guarantee++++++ ➥ Designed app Android iOS admin panel. ➥ Optimized code and well commented on use for future. ➥ All the latest code to support all versions of Android and iOS phone devices. ➥ Launched the app on Google Play Store as well as Apple App Store. ➥ Setup servers, hosting your app and create a database. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I eagerly await your positive response. Thanks
£1.500 GBP trong 7 ngày
8,3
8,3

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to build a cross-platform mobile app using .NET MAUI that operates smoothly on both Android and iOS. I’ve worked on several similar applications and understand the key technical challenges involved. To approach this project, I would focus on ensuring a seamless user experience across both platforms, utilizing .NET MAUI's capabilities for performance and efficiency. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – What specific features do you want in the barcode scanning functionality? Q2 – Are there any existing systems or APIs that the app needs to integrate with? Q3 – What user roles do you envision for the app, and how will they interact with the barcode features? Looking forward to hearing from you.
£2.500 GBP trong 10 ngày
8,1
8,1

Hi There, Hope you are well. We have read the scope of work and we can do this job as we have build scanner apps in past also. I would prefer to build app using flutter as its more closer to work as a native app. We can discuss in more detail via chat. Thanks
£2.250 GBP trong 7 ngày
7,4
7,4

Hi there, I’m Shamshad. I’ll build a cross‑platform .NET MAUI app that runs smoothly on Android and iOS, connects to your REST API, and guides warehouse staff through Moving, Picking, and Receiving flows. I’ll use MVVM for clean code, integrate ZXing .Net (or equivalent) for reliable QR, UPC, and Code 128 scanning, and support hardware scanners where available. The app will login with username/password, then present the three workflows calling /move, /pick, and /intake with real-time success or error messages. I’ll add offline caching to store scans when the connection drops and auto-sync on reconnect, with a minimal, high-contrast UI and beep/vibration on successful scans to keep operators productive. The data layer will use HTTPS with your OpenAPI spec, and I’ll structure the project for maintainability so your team can extend endpoints later. What is the preferred priority order among Moving, Picking, and Receiving in your daily workflow, and are there any device or scanner limitations I should plan for first? Best regards, Shamshad
£3.000 GBP trong 23 ngày
7,1
7,1

⭐⭐⭐⭐⭐ At CnELIndia, we are true tech buffs who eat, sleep, and breathe mobile app development, which aligns perfectly with your MAUI Warehouse Barcode App project. With a staggering experience of over 18 years in the industry comes deep expertise and insights that only time can teach. Our signature focus on maintaining MVVM practices and following the best coding conventions makes our codes highly robust and scalable - just what you need for a complex system like yours. As an authority in web and app development, our skills extend far beyond .NET MAUI -- we have noteworthy command on Android, iOS, and iPhone platforms too. We will leverage our fine-honed skills in rangy technologies to furnish a cross-platform mobile app for you that oozes practicality, simplicity yet absolute performance. Lastly, we are backed by a stellar portfolio of 743 projects -- each delivered with finesse while meeting time and budget constraints. But don't just take my word for it - let our previous clients speak for our excellence! When it's about crafting an app that streamlines your warehouse workflows while ensuring seamless barcode scanning along with offline handling, we're definitely the team that should be on your side. Let's get started!
£2.250 GBP trong 7 ngày
7,2
7,2

I am a skilled developer with extensive experience in building cross-platform mobile applications using .NET MAUI. My proficiency in designing apps that integrate smoothly with REST-based APIs makes me well-suited for this project. I have successfully delivered several mobile solutions with barcode scanning capabilities, ensuring reliable decoding of QR codes, UPC, and Code 128 labels. In my previous projects, I have utilized ZXing .Net for barcode scanning, ensuring seamless integration with MAUI, and I am familiar with implementing MVVM architecture to maintain clean and extendable codebases. I understand the importance of robust offline handling and have incorporated similar functionalities in past applications. With a strong grasp of JSON/XML communication over HTTPS, I am confident in efficiently interfacing with your existing endpoints. I am keen to further discuss how I can contribute to your project's success and would like to know more about any specific challenges you've faced with similar implementations. Please let me know if there’s an opportunity for us to connect.
£2.600 GBP trong 20 ngày
6,8
6,8

Hi, I'm excited to propose for your project using .NET MAUI to build a cross-platform mobile app that will run smoothly on both Android and iOS. Here's what I plan to deliver: - Core Functions: - Barcode Scanning: Reliable reading of QR codes, UPC codes, and Code 128 labels with seamless data transfer to your API. - Warehouse Workflows: Users can choose between Moving, Picking, or Receiving Goods tasks. Each task will call the relevant API endpoints, displaying real-time success or error messages. - Offline Handling: - Cache scan data locally if the device loses connection and sync automatically upon reconnection. - UI/UX: - Minimalist design with large buttons, high-contrast text, and feedback via vibration and sound after each successful scan to reduce screen dependency for warehouse staff. - Technical Notes: - Use ZXing .Net or another well-supported library for barcode scanning. - Support for hardware scanners like Keyence BT-A600 with the flexibility to add support for others based on customer needs. - API calls will be made over HTTPS using JSON/XML, and I'll provide OpenAPI specs and a test server. - Adhere to solid MVVM practices to ensure maintainability. - Branding: - Consistently incorporate your color scheme and logos throughout the app. - Acceptance Criteria: - Successful username/password login against your API. - Accurate barcode scanning at typical warehouse lighting distances. - Real-time data posting to /move, /pick, and /intake endpoints respectively. - Clean build and deployment packages for Android (AAB) and iOS (IPA/TestFlight). - Source code delivered in a clean Git repository with README instructions. Given my decade of experience in this field, I am confident in delivering a high-quality app that meets your requirements. Please review the scope, and if you're ready to move forward, let's get started! For more information about my work, please check out: https://www.freelancer.com/u/reedsystems Best regards, Reed
£2.300 GBP trong 25 ngày
6,4
6,4

Hi There!!! ★★★★ ( Cross-platform MAUI barcode app with offline sync and API-driven warehouse workflows ) ★★★★ I have understood your requirement for a .NET MAUI warehouse app connecting to your existing REST API, including secure login, barcode scanning, offline caching, and workflows for moving, picking, and receiving. You need a minimal, fast UI, reliable scan performance, and maintainable MVVM-based code with Android and iOS deployment deliverables. ⚜ .NET MAUI cross-platform app development ⚜ Barcode scanning with ZXing/hardware scanner support ⚜ REST API integration for warehouse workflows ⚜ Offline caching and auto-sync logic ⚜ MVVM architecture with clean scalable code ⚜ Android AAB & iOS TestFlight delivery ⚜ Documentation, Git handover and deployment support I have experience building enterprise mobility and scanner-integrated apps, including inventory and logistics tools. My approach would be using .NET MAUI + C#, ZXing, local SQLite caching, and secure API consumption over HTTPS, with staged testing for scan accuracy and sync reliability. I can also support quick prototype screens first so workflow gets validated early. I focus on stable code and smooth user expereince with fast turnaround. Happy to discuss your API spec, timeline and get started soon. Warm Regards, Farhin B.
£1.515 GBP trong 15 ngày
6,6
6,6

Hello, As an experienced engineer and developer, I have successfully completed similar cross-platform mobile app projects using .NET, Android and iOS with impeccable results. My team and I are proficient in everything you need for this project, ranging from the languages involved (.NET MAUI, C# Programming) to the hardware scanner libraries for handheld scanners. We've also worked with barcode scanning before, adeptly handling decoding different types of barcodes such as QR codes, UPC codes and Code 128 labels. Our commitment to providing a user-friendly experience is a reflection of your UI/UX vision - large buttons, high-contrast text and vibrate/beep feedback after every successful scan. We value MVVM practices and will ensure that your codebase is not only maintainable but also extendable for your internal team. Lastly, our experience spans multiple industries- electrical, mechanical, civil, chemical-including software engineering where we have handled GPS-based apps for logistics management. We possess a vast array of skills ranging from Machine Learning to Big Data Analysis ensuring top-tier proficiency in all areas of your project. Pick us today for top-notch work on time! French Thanks!
£3.000 GBP trong 20 ngày
6,2
6,2

Hi — I can build your cross-platform .NET MAUI app with reliable barcode scanning, smooth API integration, and offline-first workflows. I’ll implement ZXing (or compatible hardware SDKs) for accurate QR, UPC, and Code 128 scanning, with fast feedback (beep/vibrate) for real warehouse use. The app will follow clean MVVM architecture, handle login securely, and support offline caching with automatic sync when connectivity returns. All workflows (Move, Pick, Receive) will connect to your API endpoints with real-time responses and clear error handling. You’ll receive fully deployable Android (AAB) and iOS (IPA/TestFlight) builds plus clean source code and documentation—ready to start immediately.
£2.250 GBP trong 20 ngày
6,2
6,2

Hello, I hope you are doing well. I understand that you are looking to build a WAREHOUSE BARCODE MOBILE APPLICATION and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
£1.500 GBP trong 12 ngày
7,0
7,0

⭐⭐⭐⭐⭐ Create a Cross-Platform Mobile App with .NET MAUI for Warehouse Tasks ❇️ Hi My Friend, I hope you're doing well. I reviewed your project requirements and see you are looking for a cross-platform mobile app using .NET MAUI. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for mobile apps. I will ensure a smooth connection to your REST-based Web API for user login and guide warehouse staff effectively. ➡️ Why Me? I can easily build your mobile app as I have 5 years of experience in .NET MAUI development, focusing on mobile applications and barcode scanning. My expertise includes API integration, UI/UX design, and offline data handling. I also have a strong grip on MVVM practices, ensuring a clean and maintainable codebase. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ .NET MAUI Development ✅ API Integration ✅ Mobile UI/UX Design ✅ Barcode Scanning ✅ Offline Data Handling ✅ MVVM Architecture ✅ JSON/XML API Calls ✅ Git Version Control ✅ Cross-Platform Development ✅ User Authentication ✅ Real-Time Data Handling ✅ Error Management Waiting for your response! Best Regards, Zohaib
£1.800 GBP trong 2 ngày
5,9
5,9

✋ Hi There!!! ✋ The Goal of the project:- TO BUILD A CROSS PLATFORM .NET MAUI WAREHOUSE APP WITH RELIABLE BARCODE SCANNING, OFFLINE SYNC AND API DRIVEN WORKFLOWS FOR ANDROID AND IOS I have carefully read your requirements and understand you need a clean, fast and reliable warehouse mobile system integrated with your existing REST API for real world operations. I am the best fit because I focus on stable mobile architecture with practical warehouse use cases and smooth offline first behavior. Reliable barcode scanning QR UPC Code 128 using MAUI with ZXing and hardware scanner support Warehouse workflows for moving picking receiving with secure REST API integration and instant response handling Offline caching with automatic background sync when network reconnects I will also handle UI design, database management, testing, and full source code delivery with clean MVVM structure for easy future scaling. I have 9+ years experience as a full stack and mobile developer working on enterprise logistics and inventory systems. I have delivered similar scanning based warehouse and delivery apps with offline sync and API driven workflows. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
£1.516 GBP trong 16 ngày
5,5
5,5

Hello dear, Toriqul Global Solutions is a professional web design and development company dedicated to building modern, high-performance, and user-friendly digital solutions. Founded by Engineer Md. Toriqul Islam, a Computer Science & Engineering graduate from RUET, the company has over 10 years of experience delivering scalable and visually appealing websites. Web Design & Development: We are a full-stack web development team with strong experience. Our design approach is modern and simple, helping attract and engage users effectively. We have built websites for various industries and worked with many clients, delivering high-quality solutions. Client satisfaction is always our top priority. Technologies We Use: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React, Node.js, WordPress, PHP, Laravel, .NET, CodeIgniter, Python, Ruby on Rails, MySQL, MongoDB. Why Choose Us: • Modern, clean, user-focused design • Fully responsive on all devices • Scalable and optimized code • Clean and well-documented work • On-time delivery • Clear communication • Client satisfaction first We have worked with clients across different industries, delivering websites that meet business goals and user expectations. Let’s build something great together. We are ready to discuss your project and start immediately. Best Regards, Toriqul Global Solutions
£1.500 GBP trong 10 ngày
5,4
5,4

Hello! As per your project post, you’re looking to build a cross-platform warehouse mobile app using .NET MAUI that connects to your existing REST API and supports real-time barcode-driven workflows. The goal is to create a fast, reliable, and minimal interface that warehouse staff can use effortlessly for scanning, picking, moving, and receiving goods—even in low-connectivity environments. My focus will be on delivering a robust MAUI-based application following clean MVVM architecture, integrating a reliable scanning solution like ZXing with support for QR, UPC, and Code 128 formats, and ensuring compatibility with hardware scanners such as Keyence devices. I will implement seamless API integration for login and workflow endpoints, along with offline caching and auto-sync for uninterrupted operations. The UI will be optimized for warehouse usage with large controls, high contrast, and instant feedback (vibration/beep) to reduce dependency on screen interaction. The final delivery will include clean source code, deployment builds (AAB/IPA), and proper documentation for your team. I have strong experience building performance-focused mobile apps with API integrations and real-time workflows, ensuring stability and maintainability in production environments. Let’s connect to review your API specs and define a clear execution plan. Best regards, Nikita Gupta.
£1.500 GBP trong 36 ngày
5,3
5,3

Hi, This is a well-defined scope, and I can build a robust .NET MAUI app tailored for warehouse workflows with reliable barcode scanning and offline support. Approach & Workflow: Setup MVVM architecture → API integration (login + endpoints) → barcode scanning (ZXing / hardware SDK) → workflows (Move, Pick, Receive) → offline caching + auto-sync → QA in real warehouse scenarios → deployment (AAB & TestFlight). Key Deliverables: • Smooth cross-platform app (Android & iOS) • Accurate QR, UPC, Code128 scanning with feedback (vibrate/beep) • Secure API integration over HTTPS • Clean Git repo with documentation Timeline: 10–14 days Quick Questions: Any preferred local storage for offline (SQLite/Realm)? Will hardware scanners require specific SDK integration? Expected daily scan volume per device? I’m confident in delivering a fast, stable, and scalable solution. Happy to start with a quick discussion. Best regards, Inciterz Team
£2.200 GBP trong 20 ngày
4,8
4,8

Belfast, United Kingdom
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