.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.

Od 234,567 recenzí, klienti hodnotí našeho pracovníka .NET Developers 4.86 z 5 hvězd.
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    C# simple application 6 dní left
    OVĚŘENÉ

    I am in need of a C# programmer who can create a simple application data entry with a user interface. MS Access Database and insert, update, delete functions and report / print. Simple application for stock manager basic.. Purchase and Sale ( plus / minis ) qty. and some items given for repairing and receive that item back.

    €435 (Avg Bid)
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    21 nabídky
    Add Features (MVC Core Web App) 6 dní left
    OVĚŘENÉ

    I am seeking a C# MVC developer to add specific features to my web app. The following features need to be added as soon as possible: Please see the attached pdf before quotation

    €191 (Avg Bid)
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    36 nabídky
    Create EXE file 6 dní left
    OVĚŘENÉ

    Hi, I have a PPAM and POTX file. I want you to create an EXE file that will install this PPAM file and also load the POTX file as the default theme in the PowerPoint. I want you to build this using Visual Studio and the deliverable will be the full solution folder.

    €13 / hr (Avg Bid)
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    1) Searches for a certain patterned text in a pdf -- <<<pages x to y>>> 2) Create a Named destination in the Page where the text is found. 3) Create a named destination to the first page in the Source Doc (in this example, it will be page 4 – That is the 3 pages in the summary, Plus the first-page number referenced in the page <<<page 1to 4 >>>) 4) Create a link from the found text <<<pages x to y>>> to the Named Destination 5) Overlay a line of text at the top(0.5” from the top and 1” from the left of the page) of pages 4, 5, 6, and 7 with the text “Back to Summary”. 6) Link this text back to the page of the found text <<<page 1to 4 >>> page1 of the “final merged” file&n...

    €1004 (Avg Bid)
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    I am looking for a skilled software developer to complete a redevelopment of my current software. The software is over 30 years old and was developed using Clarion programming language and the primary function is job costing and inventory management. We have over 700 users currently running on our software, and all of them needs to be moved over to the cloud software. For the cloud-based version, I am looking for the following desired features: - Scalability to accommodate future growth - Data security to ensure sensitive information is protected - Real-time collaboration for efficient teamwork - Real-time chats for clients to receive support from our staff. - Automatic backups needs to run on the different data sets as specified by clients. - Needs online and offline capabilities, as ...

    €14914 (Avg Bid)
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    Objective: The objective of this project is to revamp and re-develop the existing In-Plant Management System (IPM). The current application, developed in Visual Basic with MS Access as the backend database support, will serve as a reference for the new development. Dispense Program and Management System: The primary focus of this project is the development of a Dispense Program and Management System software. The new software should function identically to the existing VB program. It will provide operators with a user-friendly interface to accurately mix chemicals, resulting in the production of a specific amount of color. Performance and Technology Upgrade: The new system will be built using the latest technologies and architecture to enhance performance and scalability. The foll...

    €2357 (Avg Bid)
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    Asp.net MVC developer -- 5 6 dní left
    OVĚŘENÉ

    I am looking for an experienced Asp.net MVC developer who can fix functionality issues on my existing MVC Application long term support. The project scope involves fixing bugs on an existing Application. Specifically, the bugs are related to functionality issues. The ideal candidate should have experience in Asp.net MVC development and be familiar with fixing MVC Application functionality issues. The candidate should be able to complete the task within the given deadline. price is 200 INR

    €5 / hr (Avg Bid)
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    We need somebody who is an expert in C#/AJAX. Our Application is throwing access error while processing data of more than 5 facilities on Production server, Its working fine on test environment. we need somebody who can find the solution to this issue.

    €623 (Avg Bid)
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    I am looking for a developer to help me extract stock market data from Lightstreamer and store it in a MYSQL database. The ideal candidate should have experience working with real-time data and be able to update the database as frequently as possible. Skills required: - Experience with Lightstreamer or real-time data - Proficiency in SQL and database management - Strong attention to detail and ability to troubleshoot issues quickly - Knowledge of financial markets and stock data Responsibilities: - Extract stock market data from Lightstreamer - Store the data in a SQL database - Update the database in real-time or as frequently as possible Datasource: Lightstreamer URL: wss:// I need the messages: d(1,2,4,'08:38:29','15977.2449') --> DAX d(1,1,'1.9600...

    €543 (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...

    €283 (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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    C# ASP.NET Web Developer 6 dní left
    OVĚŘENÉ

    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...

    €14 / hr (Avg Bid)
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    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.

    €205 (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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    native exe read before applying 6 dní left
    OVĚŘENÉ

    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...

    €3760 (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 1 hodina left
    OVĚŘENÉ

    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)
    Neodkladné
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    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

    €373 (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.

    €157 (Avg Bid)
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    €1089 Průměr. nabídka
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    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...

    €411 (Avg Bid)
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    24 nabídky

    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...

    €117 (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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    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)
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    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

    €173 (Avg Bid)
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    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.

    €104 (Avg Bid)
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    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)
    DOM
    €15 / hr Průměr. nabídka
    26 nabídky
    pos softwear 5 dní left
    OVĚŘENÉ

    I want to build a POS software for restaurant

    €253 (Avg Bid)
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    29 nabídky
    C# Desktop Game Required 5 dní left
    OVĚŘENÉ

    C# Desktop Game Deadline: 2 days

    €7 / hr (Avg Bid)
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    13 nabídky
    C# Desktop Game 5 dní left
    OVĚŘENÉ

    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

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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...

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

    €202 (Avg Bid)
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    6 nabídky

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

    €166 (Avg Bid)
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    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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    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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    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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    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 nabídky
    Secure Web Developer 4 dní left
    OVĚŘENÉ

    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.

    €1567 (Avg Bid)
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    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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    cliente opc 4 dní 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:

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    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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    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.

    €217 (Avg Bid)
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    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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    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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    C# Project 4 dní left
    OVĚŘENÉ

    Professional C# Project for a project.

    €35 (Avg Bid)
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