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    5,000 xamarin binaryreader 份搜到的工作,货币单位为 USD

    我有一个wordpress网站,需要配套一个使用xamarin开发的的程序,用来生成安卓及IOS的app。

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    ...commandes, gérer leur stock, réaliser leurs menus, etc. une app mobile a été développée pour leur permettre de réaliser leurs inventaires de stock, verifier leur réceptions, valider leurs feuilles de sortie, prendre des photos des étiquettes, scanner les codes produits (ean13 et 128), ... je recherche quelqu'un avec vos compétences pour mener à bien un projet de portage de cette application mobile c# xamarin android vers .net maui pour android et iPhone. l'appli comporte 25 appels en get et en post, 28 activities, 15 adapter, 15 models et 47 fichiers axml pour les layouts. je pense que vous êtes plus à même que moi d'estimer la charge de travail que cela implique. n'...

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    I need an experienced Android developer to install > setup > build and publish WoWonder Android App. Key requirements: - Proficiency in Xamarin - Android Native development, specifically with experience in WoWonder apps. - Setup > Build and Publish Android App. - Publish to Google Play store - I will provide all the necessary information such as Source codes, App icon, Firebase, Google developer accounts etc. The app files will be provided. Ideal candidates should have a portfolio of similar projects that demonstrates their competence. Let's install and get this app up and running as soon as possible.

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    ...understanding of password encryption and secure system design. - In-app purchases: Our app shall offer services or features that users can purchase within the application. Therefore, we need a freelancer with experience in designing and integrating in-app purchase functionality. Advantageous Skills and Experience: - Cross-platform development experience, preferably using frameworks such as Xamarin, React Native, or Flutter. - Strong familiarity with both iOS and Android development environments, SDKs. - Previous experience implementing user authentication systems. - Experience with in-app purchases and familiarity with respective policies of Apple and Google Play. - Understanding of data protection and secure coding. Your proposal should include examples of mobile apps you ...

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    Front-End rewrite of a mobile application from Xamarin to MAUI Phase 1) Documentation of the existing Xamarin application This phase has 3 objectives: 1. Ensure your understanding of the application. 2. Ensure the quality of the documentation we will receive in phase 3. The documentation will serve as a baseline for Phase 2 development specification. As agreed this Phase will be invoiced at 15 CAD (Canadian Dollar) per hour.

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    I am seeking a highly skilled IOS Xamarin developer to implement specific features on a current application. The primary function of this application will be to retrieve MAC Address from a device for analysis and data management. Ideal Candidate: • Proven experience in Xamarin for iOS. • Expertise in data synchronization, Bluetooth low energy (BLE) technology. • Familiarity with device battery information retrieval.

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    Quick Xamarin Android Fix 已经结束 left

    I urgently need an experienced Xamarin developer to quickly address and rectify issues within my Android application. My project requires someone who can jump into the development cycle immediately and start making fixes. **Requirements:** - Proficiency in Xamarin, particularly for Android platforms. - Ability to debug and fix problems promptly. - Experience in working with existing codebases and making efficient, effective adjustments. **Skills and Experience:** - Expert level understanding of Xamarin and Android development. - Strong problem-solving skills to diagnose and fix bugs swiftly. - Previous experience in working with apps in need of bug fixes. **Project Details:** - The application is already developed; your focus will be solely on making necessary b...

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    I'm looking for a skilled freelancer who can develop a simple POC iOS application using BLE Scanning to read specific advertising data up to 31 bytes and send it to an REST API (these functions are supplied) Application flow we can discouss...a few buttons and some status text - SCAN BLE devices and read advertising data based on specific name and range (db) - POST custom raw advertising data to an API backend - up to 31 bytes - Receive JSON payload from API calls - **Skills and Experience**: - Bluetooth BLE knowledge - scanning, read advertising data - XCode is prefferable but other development tools are also - Flutter, Xamarin etc. - Plus if you have done Previous projects with BLE on iOS If POC is a success a bigger project will be posted and of course use you...

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    We are a custom software development company in the USA. We have many projects going on at any one time. The overall majority of our projects are asp.net core web development projects using Microsoft SQL as the database. I am looking for for someone long term to work on many different projects. There can be other platforms that we need to work in at times like Xamarin, Maui, and WPF desktop apps. We have several projects going at the same time. You may work on 2 or 3 projects in a day. I need some time overlap with my time zone, Eastern Time USA GMT-5. And I need someone that can support the software if there are problems. This could happen at any time...on a weekend or at night. This would be very rare, but it could happen. Anyone applying for this position must be OK respondin...

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    Hola! Si eres especialista en migraciones de apps de Xamarin a Maui te queremos en el equipo. Necesitamos un consultor que nos apoye en la compilación y despliegue de proyecto Xamarin a Maui.

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    I am in need of a skilled Xamarin/Maui Mobile Developer to join me on a 6-month renewable contract to build a cross-platform mobile application. This project requires both creativity and technical expertise to bring my vision to life. Here are the essentials of what I'm looking for: **Compatibility:** - The app must work flawlessly on both iOS and Android platforms, leveraging the capabilities of .Net Maui / Xamarin forms to ensure a seamless user experience across devices. **External API Integration:** - An important aspect of this project is integrating the app with external APIs and services. This functionality is key to the app's success, thus the developer needs to have robust experience in creating secure and efficient connections between the app and various...

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    I am in search of a seasoned developer who is adept in .net Maui, Xamarin forms, and .net core api, to develop a biometric verification app compatible with iOS, Android, and Windows. This app should support three types of biometric verification: - Fingerprint - Face recognition - Voice recognition Furthermore, the app needs to feature payment integration, specifically the use of credit and debit cards. Your application for this project should clearly outline your previous work with .net Maui, Xamarin forms, and .net core api, as well as any experience developing biometric apps and integrating payment methods. Strong communication skills and the ability to meet deadlines are also crucial for this project.

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    I'm looking to hire an accomplished app developer on a full-time basis for a six-month period. Your task will involve extensive front-end and back-end development using .net core api, .net Maui, and Xamarin forms. Key Responsibilities: - Execute full-cycle application development - Code, test, debug, and document software according to the functional requirements - Implement modern and trendy designs focusing on teens as the target audience. Ideal Skills and Experiences: - Proficient in .net core api, .net Maui, and Xamarin forms - Solid experience in front-end and back-end development - Prior experience developing apps for teens - Knowledge of modern and trendy UI/UX designs in app development If you have a passion for providing excellent coding solutions and crea...

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    ...skilled and adaptable developer or team who can take on the challenge of creating a seamless application that runs effectively on both web and mobile platforms. This project requires a developer with a diverse skill set, capable of creating a user-friendly experience across iOS, Android, and web interfaces. **Key Requirements:** - Proficiency in cross-platform development tools (e.g., React Native, Xamarin, Flutter) to ensure a consistent and efficient development process across iOS, Android, and web. - Strong background in web development technologies (JavaScript, HTML5, CSS) and frameworks (React, Angular, Vue.js). - Experience with both iOS and Android ecosystems, including understanding their design guidelines and unique platform capabilities. - Knowledge of RESTful APIs for...

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    Dotnet Developer 已经结束 left

    ...C#, .Net Core, ASP.NET, MVC, Web API, Design Pattern, SQL queries • 2+ years experience with design patterns and best practices • 2+ years HTML, CSS, and JavaScript, with emphasis on frameworks such as Angular 7+, and React (good to have) • Ability to realize and implement Design Comps into an aesthetically pleasing web experience. • Ability to design and develop for Mobile (Experience with Xamarin will be an added advantage) • Proven past experience of Azure storage and SQL Server • Team player, confident, independent and enthusiastic! • Strong critical thinking, problem-solving and communication skills. • Excellent written and oral communication skills. • Excellent understanding of Microsoft products, software lifecycle meth...

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    ...candidate will have strong experience in Xamarin Forms and .Net MAUI, capable of producing a high-quality, performant app across both ecosystems. **Key Requirements:** - **Operating Systems Support:** The app must run smoothly on both iOS and Android devices. Experience in cross-platform development is essential. - **Primary Goal:** While I haven't specified the app's main function, I'm seeking a flexible developer who can adapt to various app goals, ranging from e-commerce to educational or social networking. - **Desirable Features:** Although not specified, proficiency in integrating advanced features such as user authentication, push notifications, and in-app messaging would be beneficial. **Ideal Skills and Experience:** - Proficient in Xamarin Forms...

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    I am on the lookout for a proficient Xamarin developer to tutor on an urgent basis. Given the nature of the project, you'll be guiding me in understanding various aspects of Xamarin. - Looking to pay $50/week every week for 10-15 weeks. Your ability to start immediately will be highly appreciated. See you soon!

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    ...desirable. - **Familiarity with Xamarin:** Understand the ins and outs of Xamarin, as it's crucial for ensuring compatibility and performance across all target platforms. - **Azure Knowledge:** Experience with Azure for storage and management of the files to be converted. Ability to implement secure cloud operations. - **React Knowledge:** Although the main focus is on .NET MAUI, knowledge of React for potential web interface components could be beneficial. - **Data Handling:** Capable of engineering solutions for efficient and secure file handling operations during conversion processes. **Ideal Candidate:** - Has developed similar file conversion tools or applications. - Is highly proficient in .NET MAUI, with a solid background in both Xamarin a...

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    Dual Platform App Dev 已经结束 left

    ...towards a platform that could accommodate various features based on future decisions. Given this project's open-ended nature, flexibility and innovative thinking are key. **Ideal Skills and Experience:** - Proficiency in both iOS and Android development environments - Strong background in UI/UX design for a smooth, intuitive user experience - Experience with cross-platform development tools (e.g., Xamarin, Flutter) - Ability to implement scalable app architecture to add features later - Familiarity with the process of submitting apps to the Apple App Store and Google Play Store - Excellent communication skills for regular updates and feedback The project presents a unique opportunity for a developer looking to exercise creativity and strategic planning in app development....

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    I am seeking a proficient freelancer with a strong skill set in Xamarin script development, installation and setting up for both web and android platforms. The task at hand involves the complete setup of our website and android initial setup with the Xamarin script. Key responsibilities will include: - Installing and setting up Xamarin script on both platforms Set up github - Ensuring the entire website and android are functioning properly post-setup Change App Name. Change App Icon Change App Logo Change Splash Screen Change Your App Primary Colors Setup OneSignal for push notifications. Setup Google Map Google login Make it multi language with all available languages and Extra Language Translated Upload apps on Apps Stores(i have active console) -Reskinning an...

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    Dual Platform App Dev 已经结束 left

    I'm looking for a talented individual or team to bring my app concept to life across both iOS and Android platforms. Timing is flexible, but I am aiming to have it finished within the next 3-4 months. Ideal Skills and Experience: - Proficiency in cross-platform development tools (such as React Native, Flutter, Xamarin) - Strong portfolio showcasing successful mobile app developments on both iOS and Android - Excellent UI/UX design capabilities for intuitive app interfaces - Knowledge of current app development trends and technologies - Ability to work within deadlines, aiming for a 3-4 month completion - Experience with backend integration and implementing features unique to both platforms - Prior experience with the type of app functionality I'm aiming for would be a bon...

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    I'm seeking an experienced developer to aid in fine tuning the communication in my Xamarin Forms application. I'm presently dealing with a consistent issue of receiving duplicate messages and events firing more than once and would appreciate help in resolving this. I am currently working with: - Xamarin Forms targeting iOS and Android platforms - SignalR for real-time chat and push notifications The ideal freelancer will have comprehensive skills and experience in these areas. A deep understanding of SignalR under the Aspen framework is crucial. My backend server is already set up to handle the SignalR communication. I require expert assistance in effectively managing the SignalR client nugget package to eradicate the issue of duplicity. Skills in troubleshooting...

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    ...function on iOS and Android - Smooth, user-friendly interface - **Key Features:** - Detailed workout tracking with progress analytics - Additional features can be discussed or suggested - **Timeline:** - Quality is more important than speed - Open to a phased development approach **Skills and Experience:** - Proficiency in cross-platform development (React Native, Flutter, Xamarin) - Prior experience with fitness apps (portfolio examples desired) - Understanding of UX/UI design for optimal user engagement - Ability to integrate analytics for user performance tracking - Excellent communication; open to feedback and iterations Though the primary focus is on workout tracking, I’m open to exploring additional functionalities that align with the app'...

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    I'm seeking an individual Xamarin developer with an intermediate level of experience to develop a cross-platform application. The exact platforms the application will cater to are yet to be decided as I may want iOS, Android or both. I'm open to discussion about this. The ideal candidate should be able to: - Use Xamarin to create cross-platform applications - Have previous experience in mobile app development - Proactively solve potential issues during development When applying, please ensure to: - Include an overview of your experience with Xamarin - Provide any notable Xamarin projects you've worked on Kindly note, I'm only looking for individual developers. I feel that communication and project turnaround is faster this way. I look fo...

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    I'm seeking a proficient Xamarin Forms developer with a strong background in Android app development. Specifically, the solution should allow an active keyboard to remain open during in-app text editing, even when the send button is hit, mirroring the user experience in common messaging apps such as WhatsApp. Key project requirements: - Develop a Xamarin Forms Android application - Implement unique keyboard behavior - when an editor is selected, and the send button is hit, the keyboard should stay open and maintain focus on the editor. Desired Expertise: - Xamarin Forms Development - Android Application Development - Clear understanding of mobile UI/UX best practices. I am looking to have this project delivered promptly. As such, immediate availability and...

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    ...features, and a dynamic live session interface. Key Features and Requirements: - Both one-to-one and one-to-many live streaming functionalities. - A rich feature set to support text, voice, and video chatting during live sessions. - Smart scheduling system for managing live meetings and sessions. Skills and Experience: - Proficient in cross-platform mobile app development (React Native, Flutter, Xamarin, etc.) - Strong UI/UX design experience, with a portfolio showcasing previous work. - Experience with building live streaming applications. - Deep understanding of networking and real-time communication protocols. - Ability to implement complex scheduling logic. I'm eager to see how you can bring this project to life with your expertise in app development and real-time com...

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    We are looking for a skilled Xamarin developer to work on a new section of our existing app. The specific section is called "Mission," and its primary goal is to engage users in various activities, rewarding them with points. The key features and requirements are detailed below: Objective: The mission section aims to track point-based activities for users. It includes a real-time leaderboard and webview links to registration pages for new missions. Specific Functionalities: Challenges with multiple activities, each having a name, deadline, details, and score. Real-time leaderboard. Admin dashboard for flagging completed activities (no automatic verification required). User view of activities, with the option to register through external landing pages (webview). Admin ab...

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    In search of a skilled developer with expertise in enhancing mobile app security for both Android and iOS platforms. Priorities include addressing SSL Pinning bypass (High, Android & iOS), Root detection bypass (Low, Android), and securing sensitive data in local storage (Medium, iOS). Share your proposal with insights into your experience and proposed solutions.

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    ...knowledgeable individual to conduct a comprehensive evaluation of my developer's proficiency in Xamarin. Here's what I need: - **Technical Assessment**: Review the developer's expertise in Xamarin Forms UI, Xamarin Native API integration, and code performance optimization. - **Practical Project**: Guide my employee through integrating a native API into a Xamarin project to gauge hands-on skills. - **Feedback & Reporting**: Provide detailed feedback on the developer's competency and areas for improvement. Ideal Candidate Should Have: - Strong experience in Xamarin cross-platform development. - Proven background in UI development using Xamarin Forms. - Previous work integrating native APIs in Xamarin. - Ability to ...

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    I'm in search of a skilled Xamarin developer with a focus on Android platforms to create a sophisticated business application. Here's what you'll need to bring to the table: Need to print receipt with logo on POS thermal printer via Xamarin Android Application through Bluetooth.

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    I am seeking a proficient freelancer with a strong skill set in Xamarin script installation and setting up for both web and android platforms. The task at hand involves the complete setup of our website and android initial setup with the Xamarin script. Key responsibilities will include: - Installing and setting up Xamarin script on both platforms - Ensuring the entire website and android are functioning properly post-setup Change App Name. Change App Icon Change App Logo Change Splash Screen Change Your App Primary Colors Setup OneSignal for push notifications. Setup Google Map Google login Extra Language Translated Upload apps on Apps Stores. Ideally, I need someone with an extensive background in Xamarin and a proven track record in successfully installi...

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    I am seeking a proficient freelancer with a strong skill set in Xamarin script installation and setting up for both web and android platforms. The task at hand involves the complete setup of our website and android initial setup with the Xamarin script. Key responsibilities will include: - Installing and setting up Xamarin script on both platforms - Ensuring the entire website and android are functioning properly post-setup Change App Name. Change App Icon Change App Logo Change Splash Screen Change Your App Primary Colors Setup OneSignal for push notifications. Setup Google Map Google login Extra Language Translated Upload apps on Apps Stores. Ideally, I need someone with an extensive background in Xamarin and a proven track record in successfully installi...

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    I'm looking for a skilled mobile developer to create an E-commerce app focused on services using Xamarin, targeting both iOS and Android platforms. The app will facilitate transactions and cater to service-oriented businesses. Key Project Details: - Develop a cross-platform mobile app using Xamarin - The app should support E-commerce functionalities for service transactions - Design should be user-friendly and facilitate a smooth buying experience Ideal Candidate Skills: - Proficient in Xamarin & cross-platform development - Experienced in implementing E-commerce features within apps - Strong UI/UX design skills for mobile platforms - Knowledge of payment gateway integrations is a must - Proven track record with iOS and Android apps (portfolio required) Th...

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    I'm looking for a skilled Xamarin Maui developer to create a cashless front-end application for festivals, mainly on Android and Windows platforms. The core function of this app should be NFC technology for seamless payment transactions. Ideal Skills and Experience: - Proficiency in Xamarin Maui app development - An in-depth understanding of NFC technology - Experience in developing apps for Android and Windows - A solid track record of delivering fully functional, clean, and well-structured code Key Features for the App: - NFC payment integration - User-friendly interface optimised for festival marketplace usage - Secure, robust, and ready to handle high-volume transactions Your expertise in providing a secure and flawless user experience would be highly valued in...

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    I'm looking for a seasoned expert to ramp up my blog's traffic and consequently its revenue. The blog features technical tutorials, primarily around Xamarin, and it has been active for over a year. The focus is clearly on attracting and retaining real traffic, which will translate to higher revenue. Key tasks include: - Strategies to increase organic traffic - Optimizing content for SEO - Social media promotion Ideal skills and experience: - Proven record in blog traffic growth - Strong SEO skills - Social media strategy development - Familiarity with Xamarin or similar technical content.

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    I'm in need of a proficient Xamarin Forms Mobile App Developer to enhance my current application. This addition will enable users to see a comprehensive list of apps installed on their devices and their essential details. Details to display include: - Application name - Installation date - Size on disk - Version - Application's icon The new feature should seamlessly integrate and function on both Android and iOS platforms. Required Skills: - Xamarin Forms - Cross-platform mobile app development - Android SDK and iOS SDK - Understanding of app permissions In your application, please refer to relevant past work, so that you can make your proposal stand out.

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    I'm seeking an experienced mobile app developer to create an application for both iOS and Android platforms. The app is intended to be a signalling tool, dispatching real-time signals as notifications to users based on output from backend systems. Key requirements include: • Cross-platform development: The app needs to be functional on iOS and Android. Expertise in platforms such as Xamarin or Flutter will be ideal. • Backend systems: These are crucial. They should be capable of sending real-time notifications, managing user profiles and providing daily updates of signals. Proficiency in backend languages like Node.js or Python, and database management systems such as PostgreSQL, is important. • Design: I don't have a specific design in mind for the...

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    I'm seeking to engage an experienced mobile developer to carry out the final project phase on a video intercom app. This app, developed in Xamarin MAUI, uses Azure Communication Services (ACS) to provide effective video and audio communication. The app must be developed for both Android and iOS. Additional to the communication functionalities, the app needs to include text messaging, screen sharing, and file sharing abilities. A user registration and login functionality is also a mandatory requirement. The ideal freelancer will have demonstrated experience in Xamarin MAUI and Azure Communication Services and a strong background in app development for both Android and iOS platforms. Proficiency in implementing text messaging, screen sharing, and file sharing functionaliti...

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    Hello, I need a basic game of bubble shooter in Xamarin only for android. This is a basic game with very basic functionalities. I have all the details with me. For further details please come inbox so i can share with you. thank you

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    iOS App run 已经结束 left

    Hello, I am Xamarin Mobile app development Expert (iOS & Android)and have 7+ years of Experience. Please contact so we can discuss the requirement in detail. Thank you

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    I need to migrate an app developed in Xamarin to flutter , this app use data in preferences and sqlite, show ads from admob and had subscriptions from users.

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    Hello, I need a C# xamarin game, I need an app that contains a main screen, setting, leaderboard and the game, the game is bubble shooter, I need it to be as same as , the main idea is that you shoot a random color ball every time to the bubbles and if the color matches the score goes up and the group disappear. I need it to be written using c# xamarin

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    I'm searching for a skilled mobile app developer to bring my vision to life. Here's what's important for this project: - **Development & Framework**: Open to React Native, Flutter, or Xamarin, since I haven't settled on a specific one. - **Inspiration**: Although I don't have exact examples, I'll provide a detailed description of the style and functionality I'm aiming for. - **Application Requirements**: - Highlight your **Past Work** that aligns with my project. - Demonstrate a solid understanding of full stack development for both iOS and Android platforms. **Ideal Candidate**: - Has a strong portfolio with varied mobile applications. - Can work with minimal direction and understands user interface design. - Is comfortable with both fro...

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    B1 T & Cons. 已经结束 left

    ...both iOS and Android. - App Focus: E-commerce functionality is central to this app. - Payment Integration: While I skipped the question on payment methods, I am seeking advice on the best practices and would prefer to include the most popular methods like credit/debit cards and mobile wallets. **Ideal Candidate:** - Proficient in cross-platform mobile app development (React Native, Flutter, Xamarin). - Experience with e-commerce apps and payment gateway integration. - Strong portfolio showcasing relevant work. - Good communication skills and a proactive approach to suggest best practices. *Notes for Applicants:* - Include a brief plan on how you will approach this project. - Mention any similar projects you've undertaken. - State your estimated timeline and cost. Lookin...

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    I am seeking a proficient freelancer with a strong skill set in Xamarin script installation and setting up for both web and android platforms. The task at hand involves the complete setup of our website and android initial setup with the Xamarin script. Key responsibilities will include: - Installing and setting up Xamarin script on both platforms - Ensuring the entire website and android are functioning properly post-setup Change App Name. Change App Icon Change App Logo Change Splash Screen Change Your App Primary Colors Setup OneSignal for push notifications. Setup Google Map Google login Extra Language Translated Upload apps on Apps Stores. Ideally, I need someone with an extensive background in Xamarin and a proven track record in successfully installi...

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    Android game 已经结束 left

    Hello, I need a C# xamarin game, I need an app that contains a main screen, setting, leaderboard and the game, the game is bubble shooter, I need it to be as same as , the main idea is that you shoot a random color ball every time to the bubbles and if the color matches the score goes up and the group disappear. I need it to be written using c# xamarin

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    ...web app or xamarin app - add frame (birthday or X, from the phone), take picture. Save picture and sent to print. need to work offline I'm seeking a highly skilled developer to help with a unique web/xamarin app project aimed at personalizing photos via the addition of frames, taken from the phone. The main features of the app will include: - Option for users to add personalized frames to their photos for added aesthetics - Categorized frames for users to choose from. Note that the frames do not need to be customizable: the user should directly select and apply them - Capability to take pictures with the frame in place to save them, and additionally, an option to send these photos for printing. The ideal freelancer for this job needs to have experience with web ...

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    iOS Developer 已经结束 left

    ...exhibition of Object-Oriented programming concepts and practices with Swift Working knowledge of CI / CD with Codemagic / Fastlane / GitHub actions Experience working with Rest APIs and integration of SDK / APIs from third parties. Comfortable using test cases for debugging code, enhancing performance and reliability. Create custom controls to be used across multiple modules. Familiarity with Xamarin or C# . I Total years of experience : Rel years of experience : Current CTC: Expected CTC : Current Organization : Notice Period :...

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    As the head of this project, I'm searching for an experienced .NET developer with strong skills in ASP.NET, .NET Core and Xamarin. Our main goal is to enhance our existing application specifically in terms of adding new features. Ideal Skills: - Proficiency in ASP.NET, .NET Core, and Xamarin - Proven experience in .NET development - Strong ability to conceptualize and implement new features Experience necessary: - Demonstrated history of adding new features to existing applications - Multi-faceted .NET development experience

    $86 (Avg Bid)
    $86 平均报价
    15 个竞标

    Experienced Xamarin Forms Developer Needed for Cross-Platform App Development - i have issue with my project and i need help Project Timeline: - The project needs to be completed as soon as possible. Ideal Skills and Experience: - Strong knowledge and experience in Xamarin Forms development. - Proficiency in iOS and Android app development. Problem with scrolling and refreashing infinity scroll list view Uploaded vedio for the issue ,

    $22 / hr (Avg Bid)
    $22 / hr 平均报价
    49 个竞标