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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    208 jobs found, pricing in USD

    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.

    $177 (Avg Bid)
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    19 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.

    $151 (Avg Bid)
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    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.

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    7 bids
    LOGISTIC COMPANY 6 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.

    $80 / hr (Avg Bid)
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    Retail management system POS 6 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...

    $607 (Avg Bid)
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    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.

    $713 (Avg Bid)
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    31 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.

    $652 (Avg Bid)
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    23 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

    I am looking for a freelancer to develop a Windows application which can view an encrypted database. The database is currently hosted on SQL Server. In addition to basic encryption and viewing features, I would like to implement user authentication within the application. The ideal candidate should have experience with C# programming language or equivalent windows application and knowledge of database encryption utilities. Other desirable skills include: - Familiarity with SQL Server - Strong understanding of user authentication and authorization - Experience with developing Windows applications - Ability to troubleshoot and debug code effectively - Knowledge of industry best practices for database security you must provide Project scope and requirements Development plan Estimated cost ...

    $152 - $455
    Featured Urgent Sealed
    $152 - $455
    5 bids
    Ledinhluc27 6 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 :)

    $1123 (Avg Bid)
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    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.

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    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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    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...

    $563 (Avg Bid)
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    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.

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    Window Application 6 days left
    VERIFIED

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

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    17 bids
    C++ Developer 6 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...

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    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

    $107 (Avg Bid)
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    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.

    $203 (Avg Bid)
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    9 bids

    I am looking for a cloud-based software developer who can help me generate custom reports for my project. I am open to suggestions regarding the software platform and programming language to be used. The reports that I need are custom reports, so the developer must have experience in creating reports according to specific requirements. I am not sure if the software needs to be integrated with any existing systems, so guidance in this regard would be appreciated. Ideal skills and experience for this job include: - Experience in cloud-based software development - Proficiency in creating custom reports - Knowledge of various software platforms and programming languages - Ability to provide guidance on system integration, if required.

    $146 (Avg Bid)
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    Re-design a discord bot game 6 days left
    VERIFIED

    I have the full code I just need to re-make it, to add some new things that I want. Is a tetris discord bot.

    $22 (Avg Bid)
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    9 bids

    I am looking for a skilled freelancer to work on my karate pose estimation project. The following are my requirements: Accuracy: The level of accuracy required for the pose estimation is medium. Software/Platform: I prefer using PoseNet for the pose estimation. Output Format: The output format required for the pose estimation results is CSV. Ideal Skills and Experience: - Expertise in Pose estimation using PoseNet - Familiarity with CSV output format - Experience in developing medium accuracy pose estimation models.

    $175 (Avg Bid)
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    Need to host Foodomaa application with sourcecode host and integrate cashfree payment gateway and we want to integrate with the API of a 3rd party vendor -qwrer . Attached the file for the api integration

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    8 bids

    We have a schedule which brings in a json file every hour. and I need someone to create a plugin for nopcommerce to properly insert those products from the json file to nopcommerce products. A successful bid would ideally be able to demonstrate their knowledge in the area, also the documentation associated with the delivery item. The delivery will be in the form of a zip of the source with build instructions.

    $145 (Avg Bid)
    NDA
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    9 bids
    create booklet software 6 days left
    VERIFIED

    I want create a computer booklet to let admin put his product in phone "Tap" so client can using "Phone Tap" do view all product when they walk in to office. Function: Admin, role admin category client function Remember this is not website, this function is need install in phone or compuer just can using

    $76 (Avg Bid)
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    bot creation 6 days left

    I'm looking for freelancers to create a Telegram bot for task automation. The bot should be able to check the work done by the customer, so they can rest assured that the task has been completed successfully. You should have experience with developing bots for Telegram, as well as knowledge of data scraping and scheduling tasks. If you can also automate responses, that would be great.

    $220 (Avg Bid)
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    Looking for collaboration from some good responsible, serious software talent. No HMI Configuration work is required and no HMI files will be provided by us. Create some sample HMI files using all the features available in TIA Comfort v16-19 editor files (exclude VBScript completely). Convert them to Unified HMI files using the latest version of migration tool Data2Unified. Some features do not convert. Using TIA Openness, export the Comfort & Unified files to XML. We need you to develop a migration tool in MS Visual Studio latest version C# software that will read data from the Comfort XML, and write/update into Unified HMI XML file programmatically (No manual work. You may write some manual steps to enhance/help with conversion). Some of significant items to convert programmatica...

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    3 bids
    Looking for Php c++ expert 6 days left
    VERIFIED

    Looking for Php C++ expert who can create image through code. I want to create Bulk images only few text and i icon will change.

    $19 (Avg Bid)
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    7 bids
    .net api/mongodb 6 days left

    I am looking for an experienced .Net developer to develop an API that will process JSON data. the database engine will be a mongodb. The developer will need to have experience using .NET, JSON and Mongo databases. Attached a document that gives the details of the project. If you fit the required profile, please send through your proposal so that we can discuss the project details further. Please note that this is just a small piece of a big project, if you deliver a quality work/ in time, you can have a lot more work! Best regards

    $551 (Avg Bid)
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    Project: Application for redirecting calls and WhatsApp messages. The objective of the application is to redirect calls and whatsapp messages to employees who are on call according to the schedule and day that each employee has assigned. In this way, the application must allow assigning one or several time ranges per day of the week so that the calls and WhatsApp received by a user are redirected to the previously assigned numbers. Each user has a unique or multiple cell phone number that works as a reception number for calls, the application must check what day and time range it is in and forwarsd the call or WhatsApp to those numbers. Example 1: An employee of an elevator company is covering his work shift on a Saturday at 7:00 p.m. The building employee notice that one elevator doesn...

    $564 (Avg Bid)
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    I am looking for a skilled developer to rebuild my application with new features in mind. The current platform is not specified, but the ideal candidate should have experience with iOS, Android, and web-based applications. The main goal for rebuilding the application is to add new features and improve the user experience. The project completion deadline is moderate, with a timeframe of 3-4 weeks. If you have experience with rebuilding applications and can work within this timeframe, please apply.

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    A Windows app that creates a moveable and resizable overlay on screen. The overlay should start at 100% transparency and be able to dim to 1% transparency. Transparency is increased with the key combination of alt m and decreased with a Key combination of alt w. Allow the user to set the minimum and maximum brightness from 1% to 100

    $20 / hr (Avg Bid)
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    I have an interview for a c# junior dev on Tuesday. This Saturday 3rd june. I want to spend 6 hours at least working with an expert who can help me. We would be on video chat the whole time. We will use visual studio. You will help me build a quick but professionally made project. If i have a question you will answer it. You will let me know any relevant information. It should be a MVVM project such as a calculator and similar learning projects. I am a web developer but recently started c#. So i know how to code but need help with the new language. I need to learn as much by Tuesday as possible. I think we could make a couple of projects in a day easily that will cover most topics. Budget is around £100. You must speak english well. You must have a decent wifi and camera/mi...

    $182 (Avg Bid)
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    C++ program expert 5 days left
    VERIFIED

    I am looking for a C++ program expert to help me with a Trojan issue. The program should be designed to run on Windows operating system. The level of complexity required for the program is intermediate. Ideal skills and experience: - Strong proficiency in C++ programming language - Experience in Trojan creation - Familiarity with Windows operating system

    $151 (Avg Bid)
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    Change a simple game c++ program (no graphics ) to use vectors maps , sets and class , and do working menu (no graphics)) , any questions please write to me and ask.

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    Hello everyone, As a High school robotic teacher, I am looking some one to create a fully explained C# application that uses openCV and a usb camera. The application will be used to guide a robot to pick and place items from a table using the usb camera (2D application) . The application will needs to detect and recognize specific objects and determine type,position and rotation, the application should also have a calibration process - 1. pixel to mm calibration 2. hand eye coordination calibration. functions 1. take a picture 2. teach and save part 3. load part 4. get part location (X,Y,angle) Interface: should allow to run calibrations and the functions and show the snaped picture and live picture. you might find it good to know that what I want already exist but in pyton, So basi...

    $624 (Avg Bid)
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    I am looking for a skilled developer/team to create a work from home software that is compatible with Windows operating system. The most important functionality for me is time tracking, employee monitoring so the software should be able to accurately track the time spent on each app/website. I am only looking for basic customization options at this time. If you have experience developing similar software and are proficient in Windows programming, please apply for this project. Kindly view the attached file to get a brief overview about the features that we need for the project.

    $1400 (Avg Bid)
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    I am looking for a Trade bot developer who can build this kind of bot. Ideally, it is very good if he is the owner of this. Deliverable: 1. which language is used for this bot build? 2. There are some functionalities missed in this bot. Can you add more into this? I will discuss in detail with all candidates over chat and do not be in hurry for applying. Thank you.

    $40 / hr (Avg Bid)
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    Convert a TradingView indicator in pine script and then create a trading cBot based on the indicator. Parameter options for trailing stop, take profit, lot size, trading time (hours).

    $222 (Avg Bid)
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    This is hybrid role in Wroclaw & client is expecting resource to be onsite 2 days/ week Mandatory Skills • Minimum 4+ years experience .Net, C# • Proficiency in English • Knowledge and experience in Frontend and Backend • Working experience in best practices (SOLID principles) in web development • Working experience with the following tools: GitHub, JIRA • Advanced knowledge in Databases (SQL Server)and Database Design • Working experience in the following frameworks: ASP.NET MVC, Webforms

    $18 / hr (Avg Bid)
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    Title: 3D CAD Viewer Application in C# Description: We are seeking a skilled developer to create a 3D CAD viewer application using C#. The primary objective of the project is to develop a user-friendly UI that mimics CAD tools like SolidWorks. The application should be capable of reading STEP files, displaying 3D models, and offering functionalities such as zooming, rotating, face selection, and extraction of geometry information from the selected faces. Requirements: Proficiency in C# programming language. Experience with CAD development or 3D visualization. Familiarity with the STEP file format and its parsing. Ability to create an intuitive and responsive UI for 3D model viewing. Implementation of zooming and rotating functionalities for smooth model manipulation. Incorporation of f...

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    Job Description: Freelance WMS Software Developer with ERP Integration Expertise We are seeking a skilled and experienced freelance software developer to design and develop a Warehouse Management System (WMS) software with ERP integration for our company. This project represents an exciting opportunity to create a comprehensive solution that will streamline our warehouse operations and seamlessly integrate with our existing Enterprise Resource Planning (ERP) system. Responsibilities: Collaborate with our team to gather requirements and understand the specific needs of our warehouse operations. Design and develop a user-friendly WMS software that aligns with industry best practices and supports efficient warehouse management processes. Integrate the WMS software with our existing ERP sy...

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    We need to remotely re Setup existing device with old data in sql server we have software with serial and we have db in microsoft sql server

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    I am looking for someone to develop a simple timesheet application for the desktop. I need the basic time tracking feature integrated into the application to help me keep track of time worked. I understand that time tracking can be quite complex and I am looking for someone to provide me with a standardized and reliable timesheet system for my business needs. It should be easy to use and provide me with the necessary information I need in order to properly manage my payroll system. The reporting should be customizable and able to display relevant information for further analysis. It should also have the capability to export the data for further analysis or integration purposes.

    $320 (Avg Bid)
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    Discover the power of color QR code scanning with JabCode Scanner, a cutting-edge iOS application that revolutionizes how you interact with QR codes. With its proprietary decoding algorithm, JabCode Scanner can effortlessly scan and decode color QR codes, unlocking a world of possibilities. My budget is $50 for this

    $140 (Avg Bid)
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    17 bids
    c# application api work 5 days left
    VERIFIED

    Greetings! I am seeking an experienced C# developer who can assist me in creating a secure URL management system utilizing Google Firebase. The primary goal of this project is to ensure robust security measures while storing private URLs on a server. Key Requirements: Proficiency in C# programming language. Strong understanding of Google Firebase and its associated services. Ability to implement stringent security measures to protect sensitive data. Experience in developing server-side applications and managing data storage. Familiarity with authentication and access control mechanisms provided by Firebase. Project Scope: The project involves developing a URL management system that prioritizes security using C# and leverages the features provided by Google Firebase. The system should all...

    $21 (Avg Bid)
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    I'm looking to create an expiration management app that will track expiration dates on food and beverages. The application will generate alerts on a weekly basis which will include details such as the name of the item, name of the supplier, last purchase date, purchase price, expiration date, location and quantity. The app needs to have an intermediate level of customization so that I can accurately track items and receive timely notifications.

    $381 (Avg Bid)
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    45 bids
    Teach DLL generation 5 days left
    VERIFIED

    HI, Somebody that could teach me how to generate a DLL in C# with a simple method like ADD or Multiply, and then the DLL could be readed by DLLAnalyzer, 25 USD

    $20 (Avg Bid)
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    14 bids

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