C# Programming Jobs

C# Programming is a widely-used, versatile, and powerful programming language that offers a range of possibilities for developing software applications. C# Programmers can create custom software solutions for clients, ranging from desktop and mobile apps to web-based applications and games. By hiring an expert C# Programmer on Freelancer.com, clients can take their projects to new levels of efficiency, interactivity, and performance. Here's some projects that our expert C# Programmers made real:

  • Database synchronization tools for central server management
  • Augmented Reality integration for mobile and desktop applications
  • Card game development in Flutter
  • Setting up secure VPN connections via BlueStacks5 emulator
  • NinjaTrader 8 future trading strategy development
  • Windows application creation for various business needs
  • Web development using C# for robust web-based applications
  • Desktop software solutions for wholesale business goods accounting
  • Object Oriented Programming with Hash Dictionary in C#
  • Fuzz testing harness creation using AFL (American Fuzzy Lop) for Windows Services

All of these projects and many more became a reality thanks to the talented C# Programmers found on Freelancer.com. We've got a vast community of experienced developers just waiting to help bring your ideas to life. With our simple-to-use platform, getting started has never been easier - simply post your project details, and our freelancers will bid to offer you their services.

The possibilities are endless when you invite the right talent into your project. Don't wait any longer - post your own project today and hire an expert C# Programmer on Freelancer.com. Your next great idea is just waiting to be brought to life.

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    205 jobs found, pricing in USD
    Trading bot coder 6 days left
    VERIFIED

    Looking to get someone to code a trading stratergy. It’s fairly simple in principle but requires more knowledge than I have. Needs to be compatible with trading view, and c-trader.

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    36 bids

    I am in need of a freelancer who can help me with my Account Checker project for website that using sockets for login I guess

    $26 (Avg Bid)
    $26 Avg Bid
    17 bids

    This will be an opening range breakout strategy.

    $483 (Avg Bid)
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    19 bids

    I am looking for an experienced programmer who has dealt with EOS store integration. I need a Unity scene to be setup to trigger achievements at the click of a button. I will supply the EOS API/SDK credentials to log the achievement, and I will setup the achievements. This must be done in Unity 2019 - I am testing on MacOS, so it should be able to work on Inux/Mac and PC and in the Mac Editor. Note, I only need to trigger the achievements, I do not need any other store functionality. Epic has the entire SDK available; I can't work it out. I am sure somebody experienced with the SDK can do this easily.

    $477 (Avg Bid)
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    18 bids

    while (true) { using (var _httpClient = new HttpClient()) { } } I'm currently using it in the same form as above. However, this initializes the httpclient on demand, but it is not a complete initialization on every request. For example, it is different from shutting down and restarting an application. So I want to reset the application restart level * i dont need restart app *

    $146 (Avg Bid)
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    16 bids

    I am looking for a developer to create a face recognition system for personal use on Windows. The application must include real-time detection capabilities. Additionally, ideal features for the project include: - Ability to store facial recognition data for multiple people - User-friendly interface for setting up and managing the system (a control panel) - Compatibility with common camera types - The system is able to display information about the detected person The ideal candidate for this project should have experience in: - Developing applications on Qt creator or Microsoft Visual Studio - Working with image processing and facial recognition technology - Designing user-friendly interfaces for software applications. -Python developer

    $4176 (Avg Bid)
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    15 bids

    I am looking for a skilled developer to convert my existing inventory system from Visual FoxPro 9 to Visual Studio 2019. The current size of the inventory database is small, with less than 10,000 records. I do not require any additional features in the new system, just a direct conversion. I prefer the new system to be developed using C#. The ideal candidate should have experience in converting Visual FoxPro to Visual Studio and proficiency in C# programming language. can used GPTchat .will provide the source code convert exisitng desktop inventory system using visual studio 2019 screen design will be provide with sql table feature add item menu with photo, transact in input via weight scale barcode printing , transact out via barcode scanner reports generation with excel export sending ...

    $567 (Avg Bid)
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    26 bids

    I'm seeking a skilled developer to build a Twitter bot for me. The bot will be responsible for both generating new content and automated tweeting, with specific guidelines and criteria that I will provide. It will also be responsible for automatic retweeting and replying to mentions. I'm looking for someone with experience in building Twitter bots and automated bots in general, who is able to produce quality work. Timely completion of the project is very important.

    $514 (Avg Bid)
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    11 bids
    Need to creating ticket bots 6 days left
    VERIFIED

    I need to create ticket bots like Ticketmaster type. Need to complete it within 7 days

    $30 - $250
    Sealed
    $30 - $250
    12 bids

    I am seeking the expertise of skilled professionals to download and upload an auto file application that retrieves files from an FTP site. This project requires proficiency in C# programming, JavaScript, software architecture, and software development. The main objective is to create a robust application that can automatically download files from a designated FTP site. I look forward to reviewing your proposals and selecting the ideal freelancer who can develop a reliable and efficient auto file download application from an FTP site. Thank you for your time and interest!

    $29 (Avg Bid)
    $29 Avg Bid
    16 bids
    Unity Render Streaming WebRTC 6 days left
    VERIFIED

    I am looking for someone to help optimize our unity render streaming app setup on aws. It has the ability to have users load builds from frontend and then receive an iframe to access the correctly deployed game. My previous dev had to leave and we are experiencing some problems. I am not a developer but understand the basic setup and requirements and can give you access to the code to work on / fix. Best is to look at this for reference: and this: @3.1/manual/

    $1197 (Avg Bid)
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    42 bids

    I have an XML file that needs to be signed using my private PGP key and then encrypted using the client's public PGP key. My objective is to create a C# executable application that can be scheduled in the task scheduler to automatically perform these tasks. The application will continuously monitor a designated folder for XML files, and upon detection, it will proceed to sign the file with my private PGP key and encrypt it using the client's public PGP key. Finally, the encrypted files will be saved in a specified folder.

    $20 (Avg Bid)
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    5 bids
    twitter download bot 6 days left
    VERIFIED

    hello, i want a twitter api bot. people mention my @bot under any video tweet. my @bot account reply back with mp4 link to download the video.. very simple

    $166 (Avg Bid)
    $166 Avg Bid
    22 bids

    I am in need of a backtest utility for NSE option straddle in C#. The backtest period will be for 1 year. I am looking to test both straddles and strangles option strategies. In addition, I would like the utility to have customizable parameters. It is important that the ideal candidate for this project has experience with C# programming and options trading strategies. The following features would also be valuable: - Customizable parameters for backtesting - Ability to import and export data in various formats - Detailed reports and analysis of backtesting results. -need source code too Please start bid with 'I know option trading and I can do backtest'

    $166 (Avg Bid)
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    6 bids
    I need web scraper 6 days left
    VERIFIED

    There is a website that is used for booking appointments. The time for opening slot is not fixed. It can open at any time, may be in a day or two days or sometimes in a week. The timing is also not fixed. It can open anytime within 24 ours. There is also cloudflare waiting queue in the website . You need to have deep knowledge about clooudflare protection & you should be able to run script on the server level. Note- This is a long term project. If the work is completed satisfactorily I can hire him/her on monthly basis too. I need only sincere freelancers & they should complete the work in 3-4 days. kindly contact only if you meet the required skill. Read Less

    $1274 (Avg Bid)
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    27 bids

    Please message me to know complete details. More details: What specific API needs to be edited? Subject to discuss What changes do you need to make to the API? Major modifications Do you have a deadline for the project? Within 1 week

    $111 (Avg Bid)
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    17 bids

    I am looking to have an Art Gallery project created in C# asp.net with sql. The main purpose of the project is to showcase artwork, so the design and layout should be aesthetically pleasing. I am open to any suggestions on design from the freelancer, so creativity and artistic ability is important for this project. Additionally, the website must include user registration and login as well as social media integration to allow for sharing of the artwork.

    $186 (Avg Bid)
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    9 bids

    Hi, I need a simple EXE file built on dot net using Visual Studio. I have listed my requirement in this file. Please check and give me a quote.

    $145 (Avg Bid)
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    14 bids
    Software/Web/App Development 6 days left
    VERIFIED

    I am looking for a software/web/app developer to create a productivity/tools application. My ideal candidate should have experience in software development and be able to work on a web-based platform. Although I have a rough idea of the features and functionalities, I am looking for suggestions and guidance. The developer should be able to work with me to create a detailed list of features and functionalities.

    $13 / hr (Avg Bid)
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    65 bids

    I am looking for a developer to create an invoicing system for me. I would prefer digital invoices in PDF format and do not require any payment methods to be integrated into the system. However, I do need some customization and integration with other software. Ideal skills for this job include experience with PDF generation and integration with other software. Thank you for your interest in my project.

    $4033 (Avg Bid)
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    38 bids

    I need to integrate a Fantasy Football game into my existing friends and family chat app. The developer for this job will need to create VB.Net (VS 2012 or VS 2019 project) class/classes using http GET / POST using an existing API like Yahoo Fantasy Football API. The VB.Net app needs to comprehensively have all the API's functionality, from creating a league/joining a league to the end of who won/lost. The developer needs to explain the process of the finished app so that we are able to integrate that app into our existing chat app. The app needs to handle multiple users (1000's). My backend database is MS SQL.

    $524 (Avg Bid)
    $524 Avg Bid
    38 bids

    I have an app made in C#. It is an app that loads the user's certificates when opened. the app works perfectly, the problem is the following: If the user IS NOT AN ADMINISTRATOR, the app does not load the user's local certificates even though the app requests administrator permissions. I just need to fix that, it has to work on a non-admin user as well.

    $157 (Avg Bid)
    $157 Avg Bid
    27 bids

    I am looking for a freelancer to develop a cloud-based windows project management software that can help me manage my tasks efficiently. The specific features I require are task management, time tracking, and resource allocation. The ideal platform for the software would be a desktop application. Additionally, the software should be able to support 6-10 users. The software should integrate gmail, and WhatsApp functionalities. The ideal candidate for this job would have experience in developing similar project management software and be proficient in cloud-based technologies. They should also have expertise in desktop application development and be able to deliver the project within the specified deadline.

    $374 (Avg Bid)
    $374 Avg Bid
    12 bids

    extern double LotSize = 0.01; extern double TakeProfitMultiplier = 1; (The Take Profit Multiplier should be the value we calculate from the entry point to the stop loss. So, if we want a trade that is 1:1, we leave it at 1. If we want a trade that is double the entry to stop loss, we change the value to 2.) extern double StopLoss = 0; (If we change the value of the stop loss, it should be calculated from the fractal high or low. So, the fractal high or low is the base value for our stop loss, i.e., stoploss0 = fractal high or low.) extern int MaxTrades = 3; Buy trade: When the EMA 9 crosses above EMA 21, we wait for a fractal to form below the candlesticks. As long as we have this condition (EMA 9 above EMA 21) and a new fractal appears, we open a new trade. We limit the number of open tr...

    $185 (Avg Bid)
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    16 bids

    I need a template for a Sharepoint page that falls outside what is available with Hero. Should be a small, simple project.

    $182 (Avg Bid)
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    32 bids
    Sharepoint 2010 5 days left

    I am looking for a SharePoint 2010 expert to address specific issues that I am having with the platform. The primary goal of the project is to improve the JavaScript components on the platform. I have a concrete list of the functionalities that need to be addressed, and am looking for an expert with advanced level of knowledge and understanding on the subject. This project requires someone who is knowledgeable and experienced in SharePoint 2010.

    $21 (Avg Bid)
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    6 bids

    I'd like to create a live casino and sports website. I wnat to make an integrated site that can be used by connecting APIs such as Live Casino, Slots, and Sports. I want to purchase modules necessary for production or request production *All sources of the project. *I want a source made in c# , .NET language If you're interested, show us a demo.(admin and UI) If you have experience in developing and can demonstrate, please apply

    $4010 (Avg Bid)
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    14 bids

    I am in need of a freelancer who can add additional features to my existing Ninja Trader Bot. Specifically, I am looking to optimize the current trading strategy of the bot and would like to focus: * Add backtesting in an intra day timeframe * Add limitations to the bot so that it doesn't buy when in premium or sell while in discount. This would require adding an auto FIB to each leg so that the bot knows where its at in the trade * Add a shut off to Bot Red folder news according to Economic Calander * Add shut off once Bot has reached a certain amount of profit or loss during a day or session * Add the option to have a bearish FVG turn into support as an inverted FVG when in a bullish market and visa versa ( add toggle to bot) * Add Implied FVG to the strategy...

    $543 (Avg Bid)
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    31 bids

    My Old Developer who was working on my project for 2 years, he left is suddenly and i am in middle on development phase with source code given by him. I am looking for new developer who can manage this project for me. I have old developer machine with me & source code installed into it. just need someone online who can connect and work remotely because i wont be able to share source code, its huge code so will be hard to share online. I am looking for someone long term with cheap cost, code is made in .Net core & angular project. The ideal candidate should have experience with .Net Core and Angular development, and be proficient in front-end development. If you have the required skills and experience, please apply for the job.

    $332 (Avg Bid)
    $332 Avg Bid
    28 bids

    I have over 20 phones with 20 accounts on Facebook, Google and incoming text messages from my team. I would like to manage all phones on one screen either on my computer or on an app with my own phone. So all 20 phones will download an app that will connect their text messaging, gmail, and messenger aps to the single app and then my administration app that I will control will get all messages from all 20 phones from my crews and I can watch and respond to any of the messages of those phones form my end if needed. Please let me know if this is possible and like to get it done quickly

    $1160 (Avg Bid)
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    82 bids

    a possible user history: 01) the user registers with us . he registers with his data. Company name, surname, first name, street, zip code, city, country, phone, email, password. 02) the user starts our so�ware ( web or app ). Login with his E-Mail and Password. 03) the user logs into his own napster or spo�fy and listens to his music. 04) our so�ware must be able to recognize the following: a) is it spo�fy or napster b) when the user started playing the music c) which tracks the user has played d) how long the user has used napster e) how many songs the user played on the day. f) how many songs he played in the month g) how much �me he has been playing music. we can then view all the results ( from a – g ) inkl. his registra�on informa�on online via an admin area. We can check in wit...

    $10 - $30
    Sealed
    $10 - $30
    7 bids

    I am looking for a developer who can help me set up registration with OTP on the nopCommerce platform. Specifically, I require phone number registration and the generation of only one OTP during the registration process. The following skills and experience would be ideal for this project: - Experience working with the nopCommerce platform - Proficiency in setting up phone number registration and OTP generation - Familiarity with integrating APIs and authentication systems - Ability to create a simple and user-friendly registration process No additional features were requested for registration, but the ability to create a user profile or add custom registration fields may be considered in the future.

    $178 (Avg Bid)
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    25 bids

    I am looking for a freelancer who can help me place orders from TradingView to my broker through their REST API in JSON format. The ideal candidate should have experience in integrating TradingView with REST APIs and should be proficient in JSON format. Key Requirements: - Experience in integrating TradingView with REST APIs - Proficient in JSON format - Familiarity with the REST API of my broker (will be disclosed later) - Ability to place both Market and Limit Orders through the API. If you have the required skills and experience, please submit your proposal with details of your past projects in this area.

    $150 (Avg Bid)
    $150 Avg Bid
    9 bids

    I am looking for a freelancer who can help me place orders from TradingView to my broker through their REST API in JSON format. The ideal candidate should have experience in integrating TradingView with REST APIs and should be proficient in JSON format. Key Requirements: - Experience in integrating TradingView with REST APIs - Proficient in JSON format - Familiarity with the REST API of my broker (will be disclosed later) - Ability to place both Market and Limit Orders through the API. If you have the required skills and experience, please submit your proposal with details of your past projects in this area.

    $105 (Avg Bid)
    $105 Avg Bid
    8 bids
    LOGISTIC COMPANY 5 days left

    Looking for a freelancer who can help me with inventory management for my logistics company. The ideal candidate should have experience in developing custom-built software for inventory management. Key requirements for the project include: - Development of custom-built software for inventory management - Integration of the software with existing systems - Ability to provide recommendations for software integration if needed - Experience in logistics is a plus If you're interested in this project, please reach out with your experience and examples of similar projects you've worked on in the past.

    $81 / hr (Avg Bid)
    $81 / hr Avg Bid
    18 bids
    Retail management system POS 5 days left
    VERIFIED

    Project Title: Retail Management System POS /Dot NET with SQL server database I am looking for a freelancer who can create a retail management system POS for my retail store. The ideal candidate should have experience in developing POS systems for retail businesses. Features: - The most important feature for my POS system is inventory management. I need to be able to track inventory levels, set reorder points, and receive notifications when inventory is low. - I would also like customer management features, such as the ability to create customer profiles and track customer purchase history. - Reporting and analytics are also important to me. I need to be able to generate sales reports, track employee performance, and analyze customer behavior. Integration: - I need integration with acco...

    $501 (Avg Bid)
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    50 bids

    Hi, I need a developer who knows how multiplayer games work, no need to be multiplayer implemented, but it has to be ready to add multiplayer support, which means it has to be programmed in SOLID principles. I need a clonish project of The Last Stand: Dead Zone Facebook game released in 2012. Here is a video of it. You can find more resources online. Also, I can pay extra for the Mirror implementation of the project.

    $843 (Avg Bid)
    $843 Avg Bid
    50 bids

    I am looking for a freelancer to develop an online cloud PTP walkie system with unlimited range. The system should have voice encryption as a top priority feature. The preferred platform for the system is web-based. Ideal skills and experience for this job include: - Developing web-based communication systems - Expertise in voice encryption technology - Understanding of cloud-based infrastructure and implementation - Familiarity with walkie talkie systems and their range capabilities.

    $650 (Avg Bid)
    $650 Avg Bid
    24 bids

    I want to make an Android app for renting a machine required for building homes like a hammer machine, drilling machine, etc.

    $70 (Avg Bid)
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    15 bids
    Ledinhluc27 5 days left

    More details: Can you provide any background information on the project? Yes What is the main purpose of the project? Website development What type of website are you looking for? Informational

    $16 / hr (Avg Bid)
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    13 bids

    Hello! I run a small quant investment fund with a ready trading algorithm. I need a developer to help with moving the ready algorithm that is built on proprietary software and move it to the quantconnect platform. After that is done I'm sure there will be a lot of tweaking and developing the next algorithm on set parameters. The link to the Quant connect documentation: Let me know if you have any questions! Have a great day :)

    $1183 (Avg Bid)
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    37 bids

    I'm looking for help to extract data from a .dat file with mixed data. The data will need to be extracted and converted into a CSV format. I do not need the data filtered or specific data points extracted, I want all the data from the .dat file extracted. NB: The .dat file is part of an exe. installation on windows, however we would like to get files out of it.

    $31 (Avg Bid)
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    16 bids

    We are seeking experienced C++ developers to help us add advanced features to our existing software application. The ideal candidate should have a deep understanding of C++ and be able to handle complex programming tasks. Skills and Experience: - Expertise in C++ programming - Experience in adding advanced features to existing applications - Strong debugging and problem-solving skills - Familiarity with software development methodologies - Ability to work independently and in a team Deadline: - The project has a flexible deadline of one month or longer. If you have the skills and experience required for this project, we look forward to hearing from you.

    $13 / hr (Avg Bid)
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    21 bids

    important. important. important. please read the request first and then place a bid!!!!!!! Thanks!!!! do you have the possibility to write us a program that writes the songs played by the user from napstar and spotify into a database. example: 01) the user starts our software ( web or app ). 02) the user logs into napster or spotify and listens to his music. 03) our software must be able to recognize the following: a) when the user started playing the music b) which tracks the user has played c) how long the user has used napster d) how many songs the user played on the day. e) how many songs he played in the month f) how much time he has been playing music. we can then view the results online via an admin area. can you create such a program for us? I haven't had good...

    $578 (Avg Bid)
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    30 bids

    Looking for person c++ who create images through code. We have background images and frame images. Loking for person who create final images through code.

    $13 (Avg Bid)
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    7 bids
    Window Application 5 days left
    VERIFIED

    I want one window application for Proxy switcher, just like proxifer, And attach exe file with admin panel

    $188 (Avg Bid)
    $188 Avg Bid
    21 bids
    C++ Developer 5 days left
    VERIFIED

    We are seeking an advanced C++ developer with at least 4 years of exp on Contract position for at least 6 months remotely to create a custom software library for client. Exp -4+ Location - WFH/Remote Salary - Will be monthly pay Note: - Only for Indian peoples Job description The candidate should have experience in Visual C, C++, and MFC Should have developing experience in both Windows and Linux Operating Systems Experience in SQL query and Stored Procedure Skills, along with Shell scripting Should be expertise in standards and specifications of C++ language Should have proficiency in compliant languages like Java, Python, and C Knowledge of JavaScript and XML would be an added advantage Should possess excellent analytical, problem-solving skills and collaboration skills to identif...

    $938 (Avg Bid)
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    20 bids

    I am in need of an invoice account excel system. I am currently not using any invoicing system, but I do need the automated calculations feature. The system needs to support up to two types of invoices. Contact 9eight2eight8oneforfor5two

    $101 (Avg Bid)
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    25 bids

    I am looking for a skilled game programmer to develop a mobile game with an action/adventure genre. The ideal candidate should have experience in developing games for mobile platforms. Requirements: - Knowledge of Unity or Unreal engine - Proficiency in C++ or C# - Ability to create game mechanics and gameplay systems - Experience in developing games with 2D or 3D graphics - Ability to work with a team of artists and designers to create new assets for the game The game will require new assets to be created, including characters, environments, and props. The project will require the candidate to work with a team of artists and designers to bring the game to life. The project timeline is flexible, but we're looking for someone who can commit to a long-term development cycle.

    $211 (Avg Bid)
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    12 bids

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