.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.

De 234,567 opiniones, los clientes califican nuestro .NET Developers 4.86 de un total de 5 estrellas.
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    92 trabajados encontrados, precios en EUR

    Se Requiere Migrar a Portal web en ASP.NET MVC de un Sistema de Pedidos(Escritorio). y Base de datos SQL Server. Las Funciones a Migrar son: - Loggin. - Pedidos (Registrar, Modificar y Eliminar Pedidos) - Reporte de Pedidos - Entrega de Materiales a Partir de Un pedido(Registrar, Modificar y Eliminar) - Reporte de Notas Aclaraciones: Estructura de base de datos Sql Server Existentes. El Portal Web deberá ser ajustable para uso en dispositivos moviles (bootstrap 5). la Propuesta deberá Incluir Código Fuente para Posibles Modificaciones.

    €203 (Avg Bid)
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    cliente opc 4 días left

    necesito crear un servicio para windows capaz de conectarse a un servidor opc-da y opc-hda. el cliente debe permitir explorar la red o manualmente configurar la ip y demas parametros requeridos para la configuracion. Luego de la conexion el cliente me debe mostrar los tagas y ramas disponible en ese servidor al que se conecto y enviarlos via mqtt a un servidor que puedo configurar indicando la frecuencia de lectura de los datos al opc. En resumen, un servicio que me me permita conectar a un servidor opc, consumir la data y enviarla via mqtt a un servidor. Requiero un desarrollador preferiblemente en .net pues es la tecnologia base del protocolo opc. las siguientes librerias permiten la conecion:

    €20 / hr (Avg Bid)
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    I am looking for a skilled developer to create a hotel management system using c# asp.net mvc, , entity framework, and database (ssms). The primary goal of the system is to manage reservations and bookings, track guest information and preferences, and manage staff and payroll. Specifically, I need someone to handle the task of Logging in admin adding room details(Room number, Room Type, Room description, Room charges) , Delete room details, Modify room details, Add food menu items(Menu Id, Menu types, Menu Description, Price) , Delete food menu items, Modify food menu items, Approve/cancel room booking, Approve/Cancel food order, Logout in the admin panel and in User panel View hotel details, Room booking(Booking id, room number, room type, duration, room description, room charges ) , Plac...

    €7 (Avg Bid)
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    I am in need of a skilled .Net Core C# developer to update my ERP system asynchronously. Specifically, I need to process orders in real-time. The ideal candidate will have experience with ERP systems and be proficient in .Net Core C#. The desired frequency of updates is real-time.

    €7 / hr (Avg Bid)
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    6 ofertas

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    Urgente Acuerdo de Confidencialidad
    C# ASP.NET Web Developer 6 días left
    VERIFICADO

    Need long-term C# developer for multiple websites / projects operated by our company. Must be VERY experienced with C# and ASP.NET as we have dozens of projects and a large base of existing code. Knowledge of threading and Windows Services is also very helpful so tell us if you have this experience. Additionally, we want someone who is very loyal and trustworthy who wants a stable, full-time, long-term project. If you want stability and long-term work for one client without having to jump from job to job, this is a great opportunity. Remote work from home is acceptable if your power, internet and hardware is satisfactory. Minimum 5 years C# / ASP.NET experience REQUIRED. Ability to write advanced T-SQL queries is REQUIRED. AGENCIES: If you are applying from any agency, write &q...

    €13 / hr (Avg Bid)
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    I'm seeking an expert in React, JS, Typescript, ASP/.NET, Programming to join our team. The main focus of the project will be on ASP/.NET. We will work together on future end client projects if the first technical aspects passed fine through a test I'll prepare. Ideal Skills and Experience: - Expertise in ASP/.NET and related technologies - Strong understanding of React, JS, and Typescript - Experience in programming and software development - Ability to work in a team environment and collaborate effectively Responsibilities: - Develop and maintain the web application using ASP/.NET - Write clean, efficient, and well-documented code If you have the skills and experience we are looking for, we encourage you to apply for this exciting opportunity. First session as technical te...

    €89 (Avg Bid)
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    48 ofertas
    native exe read before applying 6 días left
    VERIFICADO

    Hello, please apply after reading it, bot applies will be reported and please do not apply if you dont have reviews. I need a native software, "exe file" will be built to merge hundereds of photos and put them in an order with those steps ; a- on first screen there will be inputs as rows, cols, and i will upload 600 or 700 photos on it, and exe will show me those photos in selected aspect ratio b-my 600/700 or more photos will be combined from its "refference lines" all images have refference points to connect each other, some will be aimed some will be straight but we have to make a "true photo" from many photos. Those many photos are a part of 1 product. That shows us errors on the produced product. c- after the big image (combined 600 or 700 or more ima...

    €3769 (Avg Bid)
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    Необходимо реализовать телеграм бота на .NET+ React Необходимо реализовать взаимодействие по API с биржами для вывода зарегистрированному клиенту необходимых данных с заданными валютными парами. Более полное ТЗ предоставлю понравившемуся Исполнителю. Пришлите пожалуйста ссылку на Git, посмотреть ваш код.

    €194 (Avg Bid)
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    Web developper 8 horas left
    VERIFICADO

    A - GENERAL REQUIRED DETAILS 1) Working in existing template AdminKitPro, using their defaults. There is online documentation to use template. 2) Visual Studio 2022 with .NET 7.0 3) All data will come from existing API. 4) Every principal pages, when open, should show a list with their corresponding table. Then have a button to add at top and a link at rows to edit. 5) Work with cookies. When cookie does not exist, or expired, should redirect to login form. This applies to all Controllers. When open web App, if cookie for token, is not valid, should redirect to (existing login form). Make login or register, to get token and work with it. B - LOGIN FORM In existing form login (belongs to template),  user must set email and password and send to Api to get tok...

    €167 (Avg Bid)
    Urgente
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    17 ofertas

    I'm seeking individuals with experience in developing programs using C# Windows Forms for LMAX's FIX API. I also appreciate candidates who have experience with the Broker FIX Certification Test Report Template

    €374 (Avg Bid)
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    Looking for a .net developer to complete a feature development task within 1-2 weeks. The job requires expertise in .net development and experience in feature development. The ideal candidate should have at least intermediate-level experience and be able to work efficiently to complete the task within the given timeframe.

    €159 (Avg Bid)
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    53 ofertas

    General requirement are in pic below

    €1092 (Avg Bid)
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    39 ofertas

    Design and implement a Clinic Management System. The system includes two modules: ADMIN and STAFF. Admin is responsible for maintaining the database containing data regarding the clinic. Admin can add, delete, update, and search details of staffs, doctors, patients, medications, and appointments. Admin can also generate the reports of staffs, doctors, patients, medications, and appointments at a particular time. For staff, the following information is required to register: Staff ID, username, password, date of birth, phone number, email address, and employment status (part-time or full-time). Staff can login and can view and update his/her personal details. Staff can also add, delete, update, and search details of doctors, patients, medications, and appointments. Doctor details include Doc...

    €428 (Avg Bid)
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    23 ofertas

    Design and implement a Clinic Management System. The system includes two modules: ADMIN and STAFF. Admin is responsible for maintaining the database containing data regarding the clinic. Admin can add, delete, update, and search details of staffs, doctors, patients, medications, and appointments. Admin can also generate the reports of staffs, doctors, patients, medications, and appointments at a particular time. For staff, the following information is required to register: Staff ID, username, password, date of birth, phone number, email address, and employment status (part-time or full-time). Staff can login and can view and update his/her personal details. Staff can also add, delete, update, and search details of doctors, patients, medications, and appointments. Doctor details include Doc...

    €127 (Avg Bid)
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    we have Godaddy VPS & We are using sql server. Sometimes it creates issue with data FETCH THROUGH api. Sometimes it works pretty fine & sometimes it does not. Would you be able to help on this. if yes then please connect. The app has no issues its the issue of server and probably sql data base connectivity, or may be resource.

    €70 (Avg Bid)
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    4 ofertas

    I've been tasked to create a program that will play games of a chess variant called advance. It will primarily be used for data testing on an online service. I need to create a C# .NET Core 6.0 console application that will read in a board state from a text file, make a move, then write out the board state with that move made. It will be passed information to the program in the form of command line arguments and the program will be invoked multiple times to result in it playing a game. The rules of Advance are similar to Chess but can be found attached for reference.

    €93 (Avg Bid)
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    I am looking for a skilled ASP.NET C# MVC developer to create a new website from scratch. The primary purpose of this website is multirole, multi-admin with web API integration functionality. I estimate that the website will have more than 20 pages, so attention to detail and organization is key. Ideal skills and experience for this job include: - Proficiency in ASP.NET C# MVC - Experience with web API integration - Strong communication skills to ensure efficient collaboration throughout the project - Ability to create a user-friendly and visually appealing website - Attention to detail and organization to manage a multi-page website

    €8 / hr (Avg Bid)
    €8 / hr Oferta promedio
    29 ofertas

    Db and design ready only integration in aspx for below pdf pages i want. In form of test you have to do tiny task. Timewaster keep distance

    €174 (Avg Bid)
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    20 ofertas

    Hello freelancers, I hope you are well, I have created a project in angular 9 + .net core 3.1 + mssql. I want create a msi installer or setup for my application. I want when the customer download my installer then install it, After installation, he can access it on local port like localhost:8080 port.

    €105 (Avg Bid)
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    6 ofertas

    Hello, I'm looking for someone experienced in both Excel Formula and SQL Query especially SQL Server 2019. The task is to convert excel formula to SQL Data tables and or views for 7 cells that needs to be tracked from end-to-end. The file is in xlsb format I need it urgent in 7 days and have progress at least 2 of 7 point I mentioned in 3 days. The excel has 46 sheets that has to be traced for getting the computed value required

    €15 / hr (Avg Bid)
    Acuerdo de Confidencialidad
    €15 / hr Oferta promedio
    26 ofertas
    pos softwear 6 días left
    VERIFICADO

    I want to build a POS software for restaurant

    €253 (Avg Bid)
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    29 ofertas
    C# Desktop Game Required 5 días left
    VERIFICADO

    C# Desktop Game Deadline: 2 days

    €5 / hr (Avg Bid)
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    10 ofertas
    C# Desktop Game 5 días left
    VERIFICADO

    1. Game will be 2D, not 3D, Use Monogame, Take note: "Do not use unity or godot engines" .net for start menu of the game 3. Where will be places start game button, exit game button and settings button with the background 4. Monogame .net is for game physics such as collisions and shooting 5. The map is actually in png format and should be converted to tiled map to usi it in monogame

    €7 / hr (Avg Bid)
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    I am trying to create some code for a Visual Studio project (coding in VisualBASIC language.) This code should be able to locate sample loop point data embedded in a WAV file. Ideally it could also replace this data and copy this data to other areas in the file. My current attempts will look in the regular spots (including immediate header / “smpl” / “loop”) but it appears the proper loop information is somewhere else in the file. There is open source code available for LoopAuditioner.. This is a software that works with loop points, and finds the correct data inside a WAV. if I could somehow call the functions in its code inside of my VB program, we should be able to get the necessary data every time. I already have a basic Visual Studio apllication in the wor...

    €15 (Avg Bid)
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    I am looking for a Senior Full Time developer with expertise in .NET/C#/JavaScript/ChatGPT to help me improve my existing software application. The ideal candidate should have experience in adding new features to an existing system. The project will require more than 6 months to complete. Some of the specific features and improvements required include: 1- You must write more than 90% of your code with ChatGPT otherwise do not apply. 2- Acquire deep understanding of business requirements from minimal descriptions and anticipate required features 3- You must be fluent with C#/.NET Core/MVC/Javascript/PSQL stack 4- You must be available at least 50 hours per week 5- You must work directly yourself be available for meetings at any time during working hours 6- You must have fluent Engli...

    €10 / hr (Avg Bid)
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    51 ofertas

    We are looking for expert assistance in migration/setup of a .NET web application on Windows Server 2019 on Azure . Application is already running well platforms on windows 2016 R2 on non-Azure cloud and in-premises server. Issue : On installation of the application on new server with 2019 on Azure, system runs well from Visual studio . However, cookies /session are not created by the application when run from IIS / browser - from both source and published areas. Need expert assistance in early resolution of the above issue. Ideal skills and experience for this job include: - Expertise in set up of dotnet web application on Azure Hosting - Experience with IIS server setup and configuration on Azure - Knowledge of Administration Windows Server 2019 operating system for web hostin...

    €107 (Avg Bid)
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    15 ofertas

    Docking app payment interface, cocos framework,.net/asp background

    €203 (Avg Bid)
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    6 ofertas

    Docking app payment interface, cocos framework,.net/asp background

    €166 (Avg Bid)
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    9 ofertas

    1. sign nda and ip agreement 2. create windows based desktop to do list with all standard features Task Description: A clear and concise description of each task or item to be completed. Priority: Assigning a priority level to tasks, such as high, medium, or low, to indicate their importance or urgency. Due Date: Setting a deadline or due date for each task to ensure timely completion. Status: Tracking the progress or current status of each task, such as Not Started, In Progress, or Completed. Reminders: Providing reminders or notifications to help you remember important tasks or approaching deadlines. Categories or Labels: Grouping or categorizing tasks based on different criteria or projects for easy organization and filtering. Notes/Comments: Adding additional details, instruction...

    €223 (Avg Bid)
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    26 ofertas

    Por favor, regístrate o inicia sesión para ver los detalles.

    Sellado Acuerdo de Confidencialidad
    vpn or proxy ( google extension ) 4 días left
    VERIFICADO

    I am looking for a skilled developer to create a VPN or proxy Google extension that will allow me to access geo-restricted content. The extension should be designed to work on more than 5 extension or more than 1 browser. Specific features required include a custom server selection, and auto-connect on browser launch. Previous experience in developing similar extensions would be ideal.

    €26 (Avg Bid)
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    6 ofertas

    I am looking for a skilled C# developer to create a basic web application for me. The goal of the project is to create a new software application from scratch. The ideal candidate should have experience in web application development and be proficient in C#. This project is of a basic complexity level.

    €22 (Avg Bid)
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    22 ofertas

    I have connected cash drawer with thermal printer and tried to open the drawer and still it not working, I need someone experienced in this for reviewing my code I need developer who can make it successful. The Code already done need verify and modify, Project can be finished after review.

    €11 (Avg Bid)
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    8 ofertas
    Secure Web Developer 4 días left
    VERIFICADO

    We are looking for a web developer who has some certification in secure web application development. The task for the web developer is to join our team of web developers in building a secure business web application which includes payment processing, online ordering for renting of facility assets, facility management, and more.

    €1572 (Avg Bid)
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    68 ofertas

    I am looking for a freelancer who can create a crystal report invoice printing design from nested JSON data. The ideal candidate should have experience with crystal reports and JSON data. The invoice should include customer information, product information, and order information. The layout should be in a tabular format. Key requirements: - Experience with crystal reports and JSON data - Ability to create a design based on nested JSON data - Expertise in creating a tabular layout for invoices.

    €17 (Avg Bid)
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    8 ofertas

    We have a mature VB.net application which uses Network storage. Our central IT support have unilaterally moved our network files to SharePoint, and we need a few key modules written in VB.net (2019 or any earlier version). No third party libraries - but any MS .dll is fine. 1. Connect to a SharePoint web folder. 2. Copy a Sharepoint file to a local drive. 3. Copy a local drive file to the Sharepoint Folder. 4. Close the connection and clean up.

    €162 (Avg Bid)
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    14 ofertas

    We have a mature VB.net application which uses Network storage. Our central IT support have unilaterally moved our network files to SharePoint, and we need a few key modules written in VB.net (2019 or any earlier version). No third party libraries - but any MS .dll is fine. 1. Connect to a SharePoint web folder. 2. Copy a Sharepoint file to a local drive. 3. Copy a local drive file to the Sharepoint Folder. 4. Close the connection and clean up.

    €218 (Avg Bid)
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    15 ofertas

    I am in need of a developer to create a barcode print software that will allow me to print codes128 on labels for my business. The ideal candidate will have experience with label design capabilities and be able to integrate a database for easy access to product information. I would also prefer customizable templates for versatility. The software will be used on Windows operating systems.

    €94 (Avg Bid)
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    12 ofertas

    I am looking for a talented freelancer to develop a tag barcode printing software for Windows. The barcode to be printed should be Code 128 and the software should provide for label design. It should also have the ability to integrate with other software or tools that may be needed. The freelancer should be experienced in developing such systems and possess the skills needed to create the necessary features and integrations required to make this system efficient and effective. A professional user interface and robust error-checking mechanism would be a plus. The right solution should be reliable, secure and make sure that the printed tags are accurate and can be used easily in any barcode-related processes. I'm looking forward to hearing from qualified freelancers who can provid...

    €17 (Avg Bid)
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    2 ofertas
    C# Project 4 días left
    VERIFICADO

    Professional C# Project for a project.

    €35 (Avg Bid)
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    24 ofertas
    .Net trainer 4 días left

    I am looking for a .Net trainer with intermediate expertise to cover web development in 4-7 sessions. My project requires a professional who is exceptionally knowledgeable in coding according to .Net structure, and can effectively teach web development within the desired training period. The ideal candidate would have substantial experience developing applications using .Net, with an emphasis on top-notch performance and scalability. The candidate must also demonstrate solid communication skills, enabling them to explain complex concepts clearly and succinctly. I am looking to develop a long-term partnership with a reliable and professional .Net trainer to provide high-quality training and support.

    €7 / hr (Avg Bid)
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    Applicaion secure 4 días left
    VERIFICADO

    C# FIREBASE WORK I am in need of a developer who can ensure the highest level of security for my advanced desktop application. The ideal candidate will have experience in developing secure desktop applications and be knowledgeable in the latest security protocols. Requirements: - Advanced level of security needed - Desktop application development experience - Knowledgeable in the latest security protocols Skills: - Strong programming skills - Proficient in desktop application development - Experience in implementing advanced security measures - mainly firebase work,,check firebase security ,protect private key and software main functions,antidebugg and antidumping Experience: - Proven experience in developing secure desktop applications - Understanding of advanced security protoc...

    €97 (Avg Bid)
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    Hi, i have a board with input and relays with a web server into the board. For example the board has ip so to see the input and relay status you can type and see the input and relay status. To send commands to turn on or off a relay you can send an http get command like or OFF I have to interface this board to our video camera surveillance made from The Mileston program let us create plug-in and driver (.dll file) to intercace third parts There is a tutorial where show how to create a driver and there is also a template if i understood well i have to develop an EVENT SERVER DRIVER (we don't care about video , we just care about events). the goal is to send to Milestone program our input changes as an event... if some input changes on the board the program must notify to main prog...

    €146 (Avg Bid)
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    16 ofertas

    I need website in angular and .net basically it's doctor appointment website where a patient can book a slot and let's connect for more information lowest budget get higher chance to win this bid...thank u

    €1226 (Avg Bid)
    €1226 Oferta promedio
    55 ofertas

    Hi Folks. Looking full stack experts to develop announcing portal with functionality like autoscout24, boats.com. .net core and angular, Material Design and azure publishing ready is a must. Send your estimate please. Happy to discuss.

    €2072 (Avg Bid)
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    I am looking to create a SharePoint dashboard to better manage my business operations. The dashboard would be focused on displaying project management data, in a task-oriented layout. Additionally, I would like the dashboard to be integrated with some specific tools or platforms. If you have expertise with SharePoint, I'd love to work with you on this project. Please reach out if you think you're the right fit for this job!

    €158 (Avg Bid)
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    18 ofertas

    What is the module for: a) So that it is allowed to hide or show columns. b) Note that the module needs to save the option chosen by the user. c) Must be an installable module

    €168 (Avg Bid)
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    Ash i have already written ASCI to decimal CONVERTER tool needs to fix the error for 100 %Accurate output

    €31 (Avg Bid)
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    C# / .NET Senior Developer 3 días left
    VERIFICADO

    a Note: 1:i dont have time for skype telegram or code share 2: Budget is Final 3: Not using Source Control at the moment 4: Not using Entity Framework at the moment Hi! and Thank you so much considering Working with me on several project i manage. My name is Ofak, and im looking for a Very Talented Backend C# Developer. The Job: 1: Add Logic (Endpoints) 2: Fix Existing Logic Project Stack: .NET core 2.0 / 4.5 MSSQL 19.0.1 (Free Edition) How to work on the Project? 1: Create local DB and restore it with my .back file 2: Comment out [Authorize] for Swagger 2: i Will send Source Code 3: I will send Data Base Project Status: Mobile app is Developed and Ready Backend is Developed and Ready Data Base is Ready Project Award and Payments: i Will award you with the project after you C...

    €161 (Avg Bid)
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    31 ofertas

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