C# Programming Jobs

C# Programming is an object-oriented programming language developed by Microsoft, allowing developers to create robust software applications for mobile, web and desktop applications. C# is versatile and can be used for developing anything from console applications to business applications and more. With its many libraries, powerful acceleration capabilities via databases and frameworks, C# is a perfect choice for building modern software solutions.

A C# Programmer is an expert professional in the field of object-oriented programming language development. They are responsible for developing, deploying, coding and revising RDBMS data types and PL/SQL stored procedures via Microsoft's .NET platform. As well as developing user interfaces, C# Programmers are experts in analysis, design, development and deployment of C# projects as well as its related technologies such as ASP.NET, MVC and SQL Server.

Here's some projects that our expert C# Programmer made real:

  • Expanding existing software to add new features
  • Automating complicated processes with algorithms
  • Creating interactive user experiences in desktop applications
  • Connecting services with APIs through the integration of database systems
  • Developing robust yet secure web applications
  • Generating NodeJS tools to improve software performance

At Freelancer.com we have experienced and enthusiastic C# Programmers that specialize in developing web, desktop and mobile applications from the ground up. We invite you to post your own project today if you are looking for a great C# Programmer to bring your ideas to life.

From 239,143 reviews, clients rate our C# Programmers 4.85 out of 5 stars.
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    222 jobs found, pricing in USD

    Funded NICHE SEARCH Start-up Lead the building and continuous improvement of niche search capabilities backed by Google or Bing. Exciting full time and project remote opportunities. PLEASE APPLY ONLY IF you have relevant experience such as search, search architecture and design, Elasticsearch, Index creation and maintenance, Key term mapping, Search algorithms and Machine learning, Custom Bing, Google Programmable Search Engine, Google API, Bing API, SOLR, Term weighing, Scraping, Search Architecture, Amazon OpenSearch and other aspects of search. IF YOU HAVE NO CONNECTION TO SEARCH, PLEASE DO NOT APPLY. Please see attached file, if you have any questions please write [Removed by Freelancer.com Admin]

    $4375 (Avg Bid)
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    4 bids

    Hello, I'm looking for a freelance programmer that can help me get the halt and noop instructions working in a simulation. Specifically, I need someone with expertise in C programming, as well as experience testing existing code.

    $20 (Avg Bid)
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    1 bids

    I need a Android mobile app built using Xamarin, C# with the following features - signup - login - CRUD operations - 3 get, 1 Create, 1 update and 1 delete - all the APIs for the above operations are ready. Start your bid with "Android" More details will be provided in the chat. I need it in a day. Thanks

    $82 (Avg Bid)
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    We have been using Microsoft office for our company across 4 computers we are looking to organise our database and streamline our data entry using a network which will need to assessed. We currently have SharePoint intranet but we cannot save automatically using this. I also want to utilise office properly so I’m sure there are some aspects of teams one note and the Calender that we can use better

    $23 / hr (Avg Bid)
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    11 bids

    I need a Android mobile app built using Xamarin with the following features - signup - login - CRUD operations - 3 get, 1 Create, 1 update and 1 delete - all the APIs for the above operations are ready. Start your bid with "Android" More details will be provided in the chat. I need it in a day. Thanks

    $23 (Avg Bid)
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    4 bids

    Need somone to create a good working HWID spoofer for smite EAC, the spoofer most work and not be a free sourche and no copy and paste.

    $120 (Avg Bid)
    $120 Avg Bid
    2 bids

    I need a Android mobile app built using Xamarin with the following features - signup - login - CRUD operations - 3 get, 1 Create, 1 update and 1 delete - all the APIs for the above operations are ready. My budget is $30. Start your bid with "Android" More details will be provided in the chat. I need within 2 days. Thanks

    $11 (Avg Bid)
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    3 bids
    I need full team 6 days left

    Develop bnpl solution from scratch. Fintech experience is a must

    $4230 (Avg Bid)
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    13 bids

    Maintain a project developed in MS Visual Studio C/C++ Would involve the maintenance of all current programs and development of new programs.

    $473 (Avg Bid)
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    29 bids
    Fix OpenGL error with Cura 6 days left
    VERIFIED

    Hello! I am looking for someone who can assist me with a tricky problem that I am experiencing with OpenGL. I am trying to use a 3D printing slicer software called Cura. Every time I attempt to launch the program I get an OpenGL error (see picture). I installed a program called OpenGL Extensions Viewer and it says I am using version 1.1. The project is running in a desktop environment, so this should be a fairly straightforward task. I need someone who can help me get the project back up and running quickly and efficiently. If you can do this, please contact me and let me know how you can help. Thank you!

    $15 (Avg Bid)
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    1 bids

    I need someone to work with me to build C# classes and functional methods in C# and .NET Framework 4.8. This will be primarily in a stable C#/ASP.Net Web Forms project. The work to perform will typically be well-defined and will be expected to follow our company’s coding practices and standards. Other skill sets that are required for this role are LINQ to SQL, good code documentation (commenting), and MSTest. Skills that are preferred but not required are MS SQL Server, ASP.NET WebForms and/or MVC. . I typically have about 15 - 30 hours of work per week. Like all projects, we will have our busier times and slower times. What I’m hoping for out of this job is to find someone I can work one-on-one with long-term.

    $22 (Avg Bid)
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    11 bids

    I need a Android mobile app built using Xamarin with the following features - signup - login - CRUD operations - 3 get, 1 Create, 1 update and 1 delete - all the APIs for the above operations are ready. My budget is $30. Start your bid with "Android" More details will be provided in the chat. I need it in a day. Thanks

    $77 (Avg Bid)
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    6 bids

    Submit my Windows Desktop software to download sites

    $36 (Avg Bid)
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    9 bids

    I have a code what It does it its for custom encryption .. I want that to be converted IN php language... I am also a php developer but I dont know C language...

    $3 / hr (Avg Bid)
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    Service/work report 6 days left
    VERIFIED

    Service employee work report via power apps with gps, name, photos, type, assigned project manager, status, signature, etc. Overview via SharePoint site with the same informations.

    $658 (Avg Bid)
    NDA
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    4 bids

    Create JWT authentication website using angular, NET 7 and postgresql as backend. The design part should be completed by using angular material design

    $101 (Avg Bid)
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    8 bids

    We, ibs-dev are searching for a quality C# developer to develop code and .NET solutions for our business. In this role, you will be required to design, write, and maintain C# coding for our future and ongoing projects. You will also be required to contribute to design and planning sessions as well as formulate approaches for current coding tasks. To ensure success as a C# developer you must have an excellent grasp of C# and the .NET framework, prolific coding abilities, and be able to problem-solve on a daily basis. A top-quality C# developer will be able to perform back end development as well as handle the creation, maintenance, and further back end development of .NET applications and programs. This is a small test project The following is referred to C# .NET Standard. We have a str...

    $22 (Avg Bid)
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    Show the correct for to sending buttons on WhatsApp without using API more details pls chat me.

    $20 (Avg Bid)
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    5 bids

    developer with c++ / vue / golang knowledge to run a existing software

    $30 (Avg Bid)
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    1 bids

    Net MAUI background service does not work when mobile screen is off. Allow Net MAUI background service is work while screen is off.

    $153 (Avg Bid)
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    4 bids
    .Net Developer 6 days left
    VERIFIED

    I'm looking for experinced .Net Developer based on Egypt to provide support for existing applications for 2 weeks only. - 5 Yrs plus in MS Technology, SQL/C#/JS/SSRS

    $6 / hr (Avg Bid)
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    MAC (OBJECT C) client / API 6 days left
    VERIFIED

    I am looking for a Freelancer to help create a Mac (Object C) client/API for me. The project will be a desktop application that needs to integrate with third-party APIs. The APIs will provide me with text data. I am looking for an experienced person who can help me develop the project meticulously, making sure to attend to every detail along the way. The project should be intuitive, user-friendly, and run efficiently to bring out the best of the application. I expect the Freelancer to be available on a consistent basis as our project progresses and have an in-depth knowledge of Object C as they will be coding it. They will also need to be familiar with integrating with third-party APIs to make sure that the data feeds will work properly. They must be accurate and timely in their work, pro...

    $173 (Avg Bid)
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    we are a building maintenance company we need to have a software for our daily work with the number of fixed units and how much we spend for exchanging parts plus also how much we spent on manpower

    $1180 (Avg Bid)
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    69 bids

    The Student Attendance Tracking System is a web-based application that allows you to easily track the attendance of students. The system will allow you to input the following information for each student: Name, Birthdate, Email ID, Total Attendance, and Monthly Attendance Counting. The system will be designed for a specific group of students, and will be accessible by authorized users only. Users will be able to add new students, update student information, and view attendance data for each student.

    $15 / hr (Avg Bid)
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    // ABOUT THE PROJECT // Our client is a software company based in Germany. They are specialists in Augmented Reality software and deliver high-end solutions for their clients. They are looking for a freelancer with experience in Augmented Reality. // YOUR TASKS // - You develop the new standard for Augmented Reality. - You use state-of-the-art technology to bring forth mobile apps on Android and iOS using the Unity engine. - You work in a team on projects in the areas of augmented reality as well as virtual reality. - You use and work with the latest systems such as iPad Pro with LiDAR sensor, Hololens 2, Oculus Quest and/or HTC Vive. - You develop innovative and intuitive features to interact with a wide range of 3D content. - You will participate in our automation processes to generate ...

    $40 / hr (Avg Bid)
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    i have c# windows service application program , i need to make an simple update on my code,

    $20 (Avg Bid)
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    We are looking for a developer with C#, .Net, Entity Framework and SQL server programming skills. The existing application should be customized as per our requirement. Further customization details will be provided shortly. Required customization details: - The specific users in a group who create the quotation, sales order and invoices (sales & purchases) should be able to see only the entries that they have created.

    $110 (Avg Bid)
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    26 bids

    I need help developing an application utilising the FIX protocol for the ATHEX FIX Server 4.4 while now has ODL protocol. As requested, this project demands the use of the FIX-based API. Additionally, the version of the ATHEX FIX Server is to be set at 4.4. Whether or not this project requires customised fields should be given consideration, as the answer here was 'Maybe.'

    $9 - $32
    $9 - $32
    0 bids

    I am looking for a freelancer to implement a ODL to ATHEX FIX Server 4.4 Protocol in some Stockmarket Software which we have. This is a stockmarket software project and it needs to be tested. The type of testing I need is Functional Testing, as I will also require live data integration within the testing process. A timeframe is important to this project, so I need the testing to be completed within the given deadline. This project requires a secure FTPS connection, with TLS 1.3, in order to ensure the highest levels of security and Privacy. The successful freelancer must possess extensive knowledge in software development, security protocols, and network connections. Programming languages such as Fix API, C# are necessary for this project. A strong understanding of server-side programming...

    $128 (Avg Bid)
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    3 bids

    I am looking for a freelancer to help me implement a ODL to ATHEX FIX Server 4.4 Protocol. This is a stockmarket software project and it needs to be tested. The type of testing I need is Functional Testing, as I will also require live data integration within the testing process. A timeframe is important to this project, so I need the testing to be completed within the given deadline.

    $619 (Avg Bid)
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    6 bids

    I need a tool that can help me to manage my reddit posts to avoid posting the same media content into the same subreddit twice. The tool is not a posting or uploading tool! 1. I should be able to create Tags 2. I should also be able to insert a list of subreddits, I should be able to Tag them 3. I should be able to mass import GIF and JPG files and tag them with different Tags. Here is the explainer video that explains everything in detail: User Interface: The tool should have a simple and intuitive user interface that makes it easy to manage your files, subreddits, and posting schedule. I should be able to license the tool so only I can hand out licenses to people who want to use it

    $171 (Avg Bid)
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    We are manufacturers of testing machines and for one of our products we are looking for an application based in C# . The application needs to communicate with the hardware, read data, display it in a graphical format, perform some calculations and then display it in some form of report either in Word, Text or PDF. The embedded part of the software is ready, now the communication part needs to be done and the HMI. The software needs to be built and tested rigorously before deploying in the field. It would be helpful if someone can travel to our facility for the project. The software required is quite comprehensive and will need a 2-3 weeks to complete. Please contact for more details.

    $396 (Avg Bid)
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    15 bids

    Type of game: 3d sword fighting (We have an exact reference) Unity Skill requirement: Expert: Need to make complete single player game, so you must be skilled to include all mechanics. Required Availbility of freelancer: Full time freelancers only, no companies / people with day jobs. Timeline of project: 1 week, can start tomorrow.

    $618 (Avg Bid)
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    I am looking for a Visual C# PC desktop developer with Windows Forms or WPF proficiency for an upcoming project. There is no need for any graphics design but knowledge of C# is essential. 1. Our PC application allows users to log in to Windows OS using their fingerprint with our fingerprint device. This should be implemented with Windows Credential Provider technology. The related references are as follows. - - - 2. Enhance the current functions or codes. This project will last about a month and the we will support the fingerprint recognition function with our device because you work remotely

    $11 / hr (Avg Bid)
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    25 bids

    I want someone to fix problem on my application But i want it today to make advertisements working on the application So if you have experience send proposal

    $7 (Avg Bid)
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    15 bids

    I need to create a system that will grab my chat list from WhatsApp and store it into a MySQL database using a WhatsApp API. The integration will be a data feed and will utilize a third-party app to effect the connection. The scope of this integration is to fetch and store the chat list.

    $97 (Avg Bid)
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    9 bids
    Api connect 6 days left

    Connect api to Google sheets to push data every second

    $167 (Avg Bid)
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    Looking for Remote - Power BI Developer - Full time Contract Experience - 10-12 years Job Description: Power BI Dashboards(MOQ, Retail, Camp Master, P&L), • Yardi Orion BI Dashboards(on SQL DB) • MOQ – POS Connectivity for New Tenants on .NET based Program. • Other Automation Programmes Support to the RPA Specialists Must Haves • Advance SQL query writer, tsql, ddl,dml • Power bi , DAX ability, • API read and write information, (postman, etc) • Basic C#, Python read and understandable

    $44 (Avg Bid)
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    I would like an automatic strategy that when a bar close above or below an Ema once it trigger with a candle that breaks above or below it. It will use a stop loss on the 1 min chart and break even after 10 points and it will adjust the stop loss using the 1 min chart.

    $282 (Avg Bid)
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    6 bids

    Send me your best samples where you have made 3D graphics Interactive. You sample needs to be a 3D Graphic that I can rotate and flip and turn and have interactivity in the 3D Graphic. You must have professional experience coding to making 3D Graphics Interactive using PHP and node.js You will need to let me know which final format the 3D Graphic should be created in such as: .glb .stl .obj .fbx. You will need to send me samples of your work and if I like your work I will send you my NDA then I can show you what I need made. I don't want the 3D Graphics coded in unity. My 3D Graphic will need Interactivity and Animation it will need hotspots, text, links, menu's, lists, and I would like it completed in 15 days. I will send all the Pictures and screen capture video you will ne...

    $250 - $750
    Sealed
    $250 - $750
    17 bids

    Need a Software to manage my SEO Campaign. • Need to be skilled in Puppeteer • There will be flexible campaign builders. I call it blueprint builder. • Blueprint builder – we will build out common functions, and users of software can pick and choose how they want software to perform. • You will help me build .net core backend control panel for the following: o Manage Login, o Password o Password Reset o Checkout o Payment (Stripe?) o Management of subscription(s) o Give permission to run software on client side Desired Programming Language: C# .net Core backend * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug...

    $674 (Avg Bid)
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    Hello, and thank you for considering my project! I'd like to create a program from scratch using C# as the programming language. To deliver the best experience possible, I am in need of web hosting for the program. Additionally, I do not have any database to store data, so that aspect needs to be taken into consideration when creating this software. I look forward to working with you and together, we can create the most successful program.

    $345 (Avg Bid)
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    24 bids
    ADMIN PANEL - CONSOLE 5 days left
    VERIFIED

    I'm looking for an experienced programmer to build an admin panel - console that is Windows compatible. This panel will have an automated auditing system, however I do not require custom panel design. The successful programmer must be highly experienced with the Windows platform and proficient with developing automated auditing systems. Please contact me if interested and we can discuss project details further. Thank you. DOC FILE ATTACHED - CONSOLE PANEL REQUIREMTS

    $507 (Avg Bid)
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    I need to develop a plugin (tool) in Revit to help architects check their design to see if it is in accordance with a specific building code including colours, materials, shapes, family etc. Also, develop some specific family for doors, windows, screens for the facade etc. The candidate programmer needs to be familiar with Autodesk Revit and its Autodesk SDK, VBA, .NET, C#

    $491 (Avg Bid)
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    21 bids

    I need a .Zimbra .NET 4.8 library to : - Connect to Zimbra SOAP API with user or admin user (should be a parameter) - List all calendars - List all events for each calendar Error handling should be implemented I will need the sources of the project. Please ask me something if needed

    $151 (Avg Bid)
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    8 bids
    POS system needed 5 days left
    VERIFIED

    I am looking for a system which is already build and preferable used in the US region. This is a straight forward POS system for a printing/copier company also sells some miscellaneous items. Need to have 2 systems and all basic things a POS system will do.

    $519 (Avg Bid)
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    I need to move data around from an existing database into other databases and api sources

    $26 / hr (Avg Bid)
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    80 bids
    ninjatrader C# and R 5 days left
    VERIFIED

    Hi, I have a trading algo that was developed on ninjascript and part in R. I need your help to help me throw it on an instrument

    $134 (Avg Bid)
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    6 bids

    We need to create Excel App using Xamarin Syncfusion SDK. We already purchased SDK. we have figma design. We will pay weekly $300 and need to complete this app in 1 month. After finish first part, we need to add more features like word and pdf. We are ready to discuss in detail. Please don't write template bid. explain me about your syncfusion xamarin experience. Looking forward hear soon.

    $20 / hr (Avg Bid)
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    13 bids

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