.NET is a development framework that enables developers to create applications across different platforms to simplify and speed up development. A .NET Developer can help clients create applications, modernize and update existing code, or produce new code utilizing the .NET framework.

Developers experienced in the .NET suite of technologies and languages such as C#, VB.net, and F# can assist clients with creating web or desktop based applications by taking their project ideas into reality. In addition, these developers also have exprience in building API integrations for various platforms and databases allowing for data imports/exports and storage solutions.

Here's some projects that our expert .NET Developer made real:

  • Automating Outlook emails and splitting messages
  • GraphQL-based API visualizations using .NET platform
  • Database setups and insights from data extracts from PDFs
  • Connecting cloud platforms to support web applications
  • Adapting trading indicators using PineScript for Viewing
  • Developing WinForms for live chart library reactions
  • Enhancing existing SharePoint sites with updates

With the number of projects our expert .NET Developers have helped clients complete, there's no doubt that it is a sought after powerful coding language that works well with modern technologies. Whether you have an idea you would like to bring to life or an application you would like to improve, our experienced developers can help you make it happen with the power of .NET.

Now that you have seen some of the things our expert developers have created, why not post your own project on Freelancer.com today and hire a knowledgeable .NET Developer that meets your particular needs? Our web platform offers secure payment options and quality assurance so you won't be disappointed with what we can do for you.

From 237,799 reviews, clients rate our .NET Developers 4.85 out of 5 stars.
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    I am seeking a skilled coding expert to upgrade the EXIF metadata of my project's images to enhance data integrity. Key tasks include: - Strapping the project onto VB.Net 2019; - Enhancing EXIF metadata features for date, time, location, and camera make & model. - Insert image EXIF data to .jpg, jpeg, bmp, gif, tiff Substantial experience with VB.Net and EXIF metadata manipulation is a must. The objective of this project is to ensure the integrity of data linked with images and as such, potential freelancers should demonstrate a keen understanding of data management and integrity-validation techniques.

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    Xamarin IOS Publsih 3 days left
    VERIFIED

    I'm looking for a freelancer experienced in Xamarin IOS apps to help me with publishing my app to the App Store. Please include a summary of your Xamarin IOS experience in your application. This should include any previous work you've done that is relevant to this project. You must have a developer account. Note: The app has already been developed using xamarin.net.

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    Hay freelancer I have already finished the product 80% his finished but I need to add some more function in this project so we don't need those guys which are perfect in visual studios

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    Hay freelancer I have already finished the product 80% his finished but I need to add some more function in this project so we don't need those guys which are perfect in visual studios

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    I'm seeking a skilled professional to assist me in resolving connection errors that have arisen on my Windows-based Sal server. The server is primarily used for database management. Key Responsibilities: - Investigate and pinpoint the root cause of the connection errors. - Implement necessary fixes to ensure a stable and reliable database management system. Ideal Skills: - Proficiency in Windows server environments. - Extensive experience in database management, particularly in resolving connection errors. - Strong analytical and problem-solving skills. - Excellent communication to ensure the process is transparent and educative for me. Please provide an overview of your relevant experience and your approach to addressing connection errors in database management systems. Looking ...

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    We are looking for developers with experience, for example, in line tracking of round balls, multi camera + zoom tennis , and web. Capable of developing a similar system for the game of Billiards. We entrust the work at a fixed cost, on a contractual basis. We will send you PDF of job. Max time 30-60gg. Only in Freelancer rule. - I'm seeking a skilled professional to help me incorporate a camera-based tracking system to follow billiard balls. The primary goal of this project is to significantly enhance the viewing experience of the game. Key requirements: - Track billiard balls: The system needs to accurately track the motion and position of billiard balls. - Enhance viewer experience: Implement the tracking in a way that provides an engaging and informative viewing experience. Thi...

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    I require a minimalistic desktop application that can display a PDF file in full screen. This standalone EXE file should exist in the same directory as the pdf file itself. This application needs to be: -Compatible with the Windows operating system. -Incorporate user-friendly features like zoom controls and page navigation buttons. -Include a bookmarking feature for easy reference. This app would be a special pdf viewer file. Let us suppose, I have multiple pdf files in the same folder as the app, and with names that are prefixed with a number, eg. , , , .... When I run the app, it should be able to detect the presence of all the pdf files described above. The app should have 2 pairs of buttons, eg. Prev_file/Next_file & Prev_page/Next_page. Using the Prev_file/Next_file buttons,...

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    I've developed an application for Windows. I need help creating a MSIX package for my app so that it can be listed on the Microsoft App Store. The app is complete and functioning perfectly. The key requirements for this job are as follows: * Experience with MSIX Packaging. * Familiarity with Windows- based applications. * Knowledge in handling specific permissions, like Access to File System. Please note that a demonstrable track record of similar successful projects will be highly advantageous.

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    I'm seeking a skilled developer to help me create a facial payment software that utilizes thermal facial recognition. This software will be integrated into a cloud-based Point of Sale (POS) system. Key Requirements: - Utilization of Thermal Facial Recognition: The software should be able to accurately identify and verify users through thermal facial recognition technology. - Integration with Cloud-Based POS System: The software needs to seamlessly integrate with a cloud-based POS system, ensuring smooth user experience and data synchronization. Ideal Skillsets: - Proficiency in Facial Recognition Technology: Prior experience working with thermal facial recognition technology, preferably in a payment-related context. - Cloud-Based System Integration: Proven track record of integratin...

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    I'm looking for an experienced developer to create a desktop application for Windows. This project is focused on data analysis and project management. Key Requirements: - Strong experience in Windows desktop application development - Familiarity with data analysis and project management tools - Proven track record in software development Your proposal should include: - Your relevant experience in Windows desktop application development - Any previous work that showcases your expertise in data analysis and project management tools - Your estimated timeline for completing this project - Your proposed approach to the project Please share your prior experience and examples of your work that align with our project needs. Your expertise in this area will be a key factor in our selection...

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    I need assistance building a digital environment in Office 365 for a start-up company. I need assistance with basic tenant management, Exchange, SharePoint, and taxonomies.

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    As a program manager, I am in need of specialized, comprehensive reporting templates. I have approximately 40-60 projects at any one time therefore I also need summary reports. Detailed Overview Project Manager/s to complete the (Requirement 1) Report for each project (20 Project Managers up to 60 Projects). Output > Requirement 2 > Overarching Gantt Chart showing all projects to create an easy way for executives to see where projects are at in the stages and when the projects are expected to be complete. Requirement 3 & 4 will provide me with an overarching program/portolio view They should cater to a variety of project information, covering: Requirement 1 (Open to Excel or Word Formatting) Individual Project Reports should 1. Project Name and Brief Description, Project M...

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    I urgently need a SharePoint developer who can jumpstart on my project immediately. This project entails customization of my SharePoint site and migration to a newer version. Specifically, I require: - Customization: This includes branding and design to give the site a unique and cohesive look. In addition to that, I need the design of custom workflows to improve business processes and smoothen operations. The job will also involve developing custom web parts to provide bespoke functionality. Ideal Skills: - SharePoint development - User-interface design - Workflow design - Web parts development Experience: It would be beneficial if you have worked on similar projects and can hit the ground running. I am looking for rapid results, thus availability and commitment to the project are es...

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    I'm looking for a professional who can help me set up a CommerceGate payment application for a desktop software I'm developing. The primary function of this application will be payment processing. Key requirements include: - Integration of the CommerceGate payment system into the desktop software. - Ensuring seamless and secure payment processing for our users. - The ability to troubleshoot and problem-solve any potential issues that may arise during the application setup. Ideal candidates should have experience in: - Payment processing system integration - Building and maintaining desktop software - Strong problem-solving skills and attention to detail Please note, the specific operating system for this software has not been decided yet.

    $140 (Avg Bid)
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    I'm seeking an experienced ASP.NET MVC developer with proficiency in JavaScript to assist with a persistent bug in my application. - The bug is related to the Task Grid, specifically in the Payroll Task Tab, where we are not seeing any data load without OData filters from the API. We currently have two tabs on the page: Active Task Tab and All Task Tab, and we've recently added a third tab called Payroll Task Tab. The issue is that this third tab only loads data when the API has ODataFilters as input parameters. However, the API now returns a plain list of Enumerable Items with pagination of 100 items and subsequent 100 items. We need to fix the .cshtml file to display these items in the task grid with this new API change. Currently, the API is not called when we click on the Pa...

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    Full project requirements attached Must be completed in 1 month

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    I need ASP.NET Coder from Pakistan for some easy works I need a serious and hard working person for some work

    $19 / hr (Avg Bid)
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    I need one ASP.NET Coder for some easy work at junior level I need coder for some easy work

    $11 / hr (Avg Bid)
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    In this project, the chosen freelancer will be tasked with integrating a .NET MAUI application with an Auth Service ('Internet Identity' by Dfinity). Key Responsibilities: * Develop a robust User Authentication feature based on the client's specific requirements * Seamless integration of the .NET MAUI application with the 'Internet Identity' Auth service. Skills and Experience: * Proficiency in .NET MAUI is a must * Prior experience with integrating third-party Authentication services will be beneficial The client has communicated that they have specific requirements demanding attention. Undisclosed details regarding the provision of necessary APIs for user authentication will be clarified during the project discussion stage. This aspect might require additiona...

    $153 (Avg Bid)
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    I urgently need a skilled .NET Core Developer to assist with web development on my ongoing project. The developer must be proficient in: when large file upload in azure server that time "Request Entity Too Large" error is showing. but in local its working fine. - Microsoft's .NET Core framework - Web development using .NET Core - Designing efficient web architectures The ideal candidate should have extensive experience in these areas. Being able to integrate third-party services would be beneficial. Due to the urgency, I require the freelancer to complete the work ASAP.

    $18 (Avg Bid)
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    I'm looking for a proficient developer with experience in .NET and MAUI (Multi-platform App UI) to implement a geofencing feature into a front-end application. This role requires excellent skills and understanding of geofencing technology, GPS location, and device ID validation. Key functionalities in this project include: * Automatic attendance marking: This sophisticated system should log employee attendance / Mark IN when they reach specific locations. The system must validate the check-ins using both GPS location and device ID and once they leave the geo fenced location mark out . Also, a prompt should confirm successful attendance marking. * Geo-fenced territory notification: Apart from tracking attendance, our system should enable other feature of the app in a specific terri...

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    Need additional hands to add new features and bug fixes in existing web applications Tech Stack .NET6, C#, SQL 2019+, HTML, JQuery, Azure Dev Ops Experience in Deploying application in Windows and Ubuntu 20.04.6 LTS mandatory Preferred fullstack developers with experience in following areas : Messaging, Sharefiles, ShareScreen and Remote Desktop, Audio/Video Calls, Survey cum Poll Platform with real time dashboards enhance UI/UX design and Interactive Graphical Dashboard While its a short term engagement depending on skills can be extended.

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    I am in need of a savvy website developer to create an accounting/tax website that puts a strong emphasis on GST and compliance software. Features & Functionalities: - This website must be capable of managing invoicing, billing, expense tracking, and payroll. - It should also have comprehensive GST/ Accounting/ Tax/ Compliance capabilities. Reports Generation: - Ideally, the site will readily generate comprehensive reports such as profit and loss statement, balance sheet, tax reports, cash flow statement, and ratio analysis. Ideal Skills & Requirements: - Proven experience in developing similar financial/accounting websites - Familiarity with GST and other compliance standards - Strong expertise in creating complex reporting functions will be crucial. If you have this spe...

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    I'm in need of a software for Windows that can efficiently handle receipt management. Key Features: - The main feature required is the ability to Print and Email receipts. This feature should be easy to use and reliable. Customer receipt information should be easily accessible for printing and emailing. - The software should be user-friendly with a simple interface for non-tech savvy retail staff. Data Storage: - I prefer data to be stored locally on the device. This means the software should be able to store all receipt data within the Windows device it's installed on. Ideal Skills and Experience: - Proven experience in developing software for Windows - Strong background in receipt management and/or point of sale systems - Ability to create a user-friendly interface - Underst...

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    I'm looking for an expert to quickly upgrade my existing Windows server to Windows 11. The main reason for this transition is to ensure compatibility with new software, even though the specific software necessitating the upgrade hasn't been specified. The ideal freelancer for this task should have the following qualifications: - Extensive experience with Windows server upgrades - Knowledge of compatibility issues and tactics to resolve them - Ability to work under tight timelines as this project needs to be concluded ASAP. Your proposal would be more favorably considered if you can detail similar past projects you've completed, and their outcomes.

    $11 / hr (Avg Bid)
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    I need a console application that can sign PDF files. The application should support both electronic and digital signatures. - The application must be developed for Windows. - It should take two parameters: the name of the PDF file to be signed and a token password. - I do not require any logging capabilities within the application. The ideal freelancer for this job should have: - Experience in developing console applications, especially for Windows. - Proficiency in handling PDF files programmatically. - Knowledge of electronic and digital signature methods.

    $171 (Avg Bid)
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    I'm in need of a skilled .NET developer who specializes in C# and can create a web application. The ideal candidate should be proficient in both the frontend and backend development. Key requirements: - Expertise in React.js, C# and ASP.NET for web-based applications - Proficient in frontend technologies like HTML, CSS, and JavaScript - Experience in backend development and databases - Ability to understand and implement software requirements - Strong problem-solving and analytical skills Your primary focus will be on developing the web application in C# to meet our business requirements. You'll need to ensure the application is high-performing and responsive, and you should be able to handle both the frontend and backend aspects of the project. The project will involve databas...

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    My company's system, , is designed for data analysis and reporting. The system was set up less than a month ago and was functioning as expected. However, 10 days ago, it suddenly stopped loading properly, without any changes being made to it or its environment. The primary issue to be resolved is the system not loading. It's crucial that this is fixed promptly to restore our ability to analyze and report data effectively. Furthermore, you must connect the online version to the desktop version residing in server. In other words, when the user clicks the online top, the desktop version starts working including all the functionalities. (local printer .......) Key requirements include: - Identifying the root cause of the loading issue - Resolving the issue in a timely manner t...

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    I am looking to have an SMS Gateway developed for delivering OTP messages through a web interface. Short codes will need to be delivered through web panel to customers. Text message delivery for multiple services used in accounts creation like facebook, instagram, gmail, whatsapp and other services.. This means we will be using physical sim cards, NOT virtual numbers. Web backend will need to communicate with physical hardware: (Moden huawei e303, 3131 FOR EXAMPLE) The system has to be the same as sms-activate, sms hub, sms pva, please if you have this experience I am searching for coders experienced is USSD/AT commands. Heavy experience with GSM/CDMA cellular networks and sms gateway integration. Look at the websites I've posted above, put together a compatible hardware list for t...

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    I'm in need of a talented software developer that can create a desktop application compatibile with the Windows operating system for data management purposes. Key Responsibilities: - Develop a desktop software - Ensure software is fully compatible with Windows - Design software for effective data management The ideal candidate should have: - Proficient with C++, Java, or other relevant languages - Strong understanding of data structures - Experience in Windows software development - Proven record in developing data management tools. This project will require not only technical skills but also creativity and innovation. Your input on the software's functionality and usability will be highly appreciated as I want to ensure the software is user-friendly. Please bid only if yo...

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    As a business in need of SharePoint expertise, I'm seeking a professional capable of automating our time-off request process through SharePoint. Key Project Details: - The primary goal is to automate our time-off request process within SharePoint. - This automation should allow employees to request time off through a self-service portal. - The process should include a step for manager approval before finalizing the request. Specific Requirements: - Expertise in SharePoint: A deep understanding of SharePoint's capabilities and limitations. - Workflow Automation: Experience in designing and implementing automated workflows, specifically in time-off request processes. - Employee Self-Service Design: A user-friendly portal for employees to request time off. - Manager Approval Integ...

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    I'm looking for a developer who can create an API using JavaScript, with the primary goal of integrating data with other services. OAuth or API keys are not required for my project. Key Requirements: - Proficient in JavaScript for API development - Experience in developing APIs for data integration with other services - Understanding of API authentication methods (despite not required in this case, it's preferred)

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    please dont bid if you dont already have a retail pos project using (WPF, C#)using .Net Core utilizing codefirst approach. I'm urgently searching for a pre-developed, .Net Core Retail POS project source code that's built using C#, WPF and the code first approach. A crucial requirement is that it does not depend on third-party tools and supports RTL languages. Please, only place your bid if you have a ready-to-deliver solution.

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    Dot Net Specialist 17 hours left
    VERIFIED

    I'm in need of a skilled Dot Net developer with a focus on desktop application development using Windows Forms and database development experience in Entity Framework. The core task involves designing an intuitive user interface for a desktop application. Excellent skills in these areas are essential. Enthusiasm for user-friendly design is also highly appreciated. The data management for this project will be based on MySQL, so experience with this database system is required. Ultimately, I'm seeking a developer who can effectively link the desktop application to the MySQL database, delivering a seamless user experience.

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    im trying to do SQlite many to many relation table with mvvm data binding but getting Unique Const Error So need to Fix that over TeamView Now

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    VB6 to VB.NET Report Update 7 hours left
    VERIFIED

    I am looking for an experienced programmer who can update the reports in our program from VB6 to VB.NET. The reports are in Crystal Reports. The database is in Microsoft Access. Key Project Requirements: - Redesign the layout and formatting of the reports - Add new features or functionalities to the reports - Optimize the performance of the reports Communication: - I prefer communication through Email. Please, share your past work for review. Your ability to work on this project will primarily be determined by your previous experience in similar projects.

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    As the initiator of this project, I urgently require a specialized freelancer to assist in two central areas. Firstly, help establishing a reliably structured design for the Azure bus service is necessary. Secondly, your skills will be vital for implementing effective message routing. Your relevant experience in these topics, specifically within .NET, will be crucial for the successful completion of this project. Please provide this information within your application. Completion is required as soon as possible. Native ability in .NET and prior professional experience with Azure is highly regarded.

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    I'm in need of a .NET developer to create a desktop-based application. The primary requirement of this application is user authentication and authorization. Key Responsibilities: - Create a user authentication and authorization system in a desktop-based VB.NET application Ideal skills and experience for this job include: - Proficiency in .NET development, particularly VB.NET - Strong understanding of user authentication and authorization processes - Experience with developing desktop-based applications Your role will be pivotal in ensuring the security and integrity of the application, so attention to detail and the ability to follow coding best practices is essential.

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    Need help fixing the error message, "Compiler Error Message: CS0433: The type 'SitePage' exists in both 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]' and 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]'

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    Registro de signos vitales 6 days left
    VERIFIED

    Título del proyecto: Aplicación de registro digital de parte de anestesia Descripción: Se requiere una aplicación móvil multiplataforma desarrollada en .NET MAUI que permita el registro digital de un parte de anestesia. La aplicación debe ser capaz de conectarse a una cámara a través de Bluetooth o Wi-Fi para tomar fotos cada cierto intervalo de tiempo (por defecto, cada 3 minutos) y utilizar OCR o IA para interpretar y obtener los signos vitales del paciente (frecuencia cardíaca, saturación de oxígeno, tensión arterial, etc.) a partir de las fotos tomadas. La aplicación deberá generar un gráfico de línea de tiempo donde se representen los signos vitales en el eje Y y la hora e...

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    Necesito un Software para restaurante similar a un desarrollo llamado FUDO, que integre facturacion electronica para ECUADOR

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    Firma szuka wsparcia zespoÅ‚u zajmujÄ…cego siÄ™ rozbudowÄ… i utrzymaniem wÅ‚asnego serwisu web na DNN. DoÅ›wiadczenie w C#, ASP.NET, T-SQL. Zapraszam do wspóÅ‚pracy.

    $33 / hr (Avg Bid)
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