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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    173 jobs found, pricing in USD

    I'm in need of a Windows compatible desktop application that has the capability to resolve Cloudflare's CAPTCHA. For this project, I prefer to have it built in C#. Key requirements: - The main functionality of the application should be browser automation, specifically for working with Cloudflare's CAPTCHA. Ideal skills and experience: - Expertise in C# programming. - Proficiency in desktop application development. - Prior experience in building applications with browser automation functionalities.

    $168 (Avg Bid)
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    8 bids

    I am in need of an Android automation expert who is proficient in MacroDroid to help me automate actions within a specific app. Key Requirements: - Automating app actions: The task involves automating complex and advanced actions within an app. This includes extracting data from the app and setting up conditional actions based on the app's content. Please note that this is not a simple open/close app task, but rather more complex interactions within the app itself. Ideal Skills and Experience: - Prior experience with MacroDroid or other automation tools for Android. - Strong understanding of Android app behavior and the ability to extract relevant data. - Experience with setting up conditional actions and advanced automation scenarios. - Ability to problem-solve independently and ...

    $158 (Avg Bid)
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    22 bids

    Help support on one software built in C#. I can show the software.

    $23 (Avg Bid)
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    I'm seeking an experienced C++ developer to create a simulation study focused on analyzing system performance. The freelancer should be proficient in: - C++ programming - Building simulation models - System performance analysis The end goal is to have a robust, accurate simulation that can analyze the performance of various systems. Prior experience in similar projects would be highly advantageous.

    $24 (Avg Bid)
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    9 bids

    I'm in need of an ASP.NET expert to help me with a project. - I need the project to be developed using ASP.NET - Your understanding of the ASP.NET framework is crucial in ensuring the project is efficient and well-structured. If you are good fit to this task, please bid with 'asp.net'. thanks

    $32 (Avg Bid)
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    25 bids

    I'm looking for a seasoned C++ expert to optimize a codebase for improved readability and maintainability. Your primary goal in this project will be to ensure the code is easier to understand and work with in the long run. Key Responsibilities: - Analyzing the existing C++ code and identifying areas for improvement. - Implementing optimization strategies to enhance the code's readability and maintainability. Ideal Qualifications: - Extensive experience in C++ development, specifically in optimizing code. - Proven track record of enhancing code readability and maintainability. - Strong understanding of best practices in C++ development. I'm open to discussing the specifics of the project with the selected expert.

    $197 (Avg Bid)
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    6 bids

    I'm looking for a freelancer who can develop a comprehensive tool for our company. This tool will serve as a CRM, a project management tool, and an employee productivity tracker. Key Features: - **Task Management:** I need a robust task management system with features like to-do lists, task assignments, priority levels, and notifications on deadlines. - **Lead Management:** The lead management functionality should include lead capture, lead qualification, lead tracking, and department-wise segregation. - **Employee Productivity Tracking:** The tool should be able to track productivity across various dimensions such as employees, locations, departments, and cost centers. This should include payroll management, attendance management as well as screen capturing of employees to monitor ...

    $286 (Avg Bid)
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    I'm seeking a skilled Unity developer who can work on the development of a tower defense strategy game. The core mechanics of the game are ready. Your only job will be syncing the data across all clients in a match. Skills requirements: - Expertise in Unity game development - Experience in Photon Engine - Knowledge about Github will be a bonus In this project: - You will create a connection between multiple clients for multiplayer gameplay - Sync the data across all clients (Don't bid if you have no idea about Unity or Photon. AI proposals will be discarded too)

    $583 (Avg Bid)
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    7 bids

    We have a project developed with VS2022, c#, datatables, SQL database, javascript and similar.... The user experience is not good. We need a professional and nice interface and user experience, but, mantain our actual code and funcionality.

    $539 (Avg Bid)
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    62 bids
    Trophy icon Website & Booking System Overhaul 6 days left

    Hi, I am looking for a developer to maintain, make upgrades and fix bugs on my current website and booking system. The system has been done in SQL written in C# by my old developer. He has had a change of career and can no longer work on things but is happy to do a handover to make things easier. This will be an ongoing business relationship and not a one off thing so will need someone with good communication and accurate times of completion. Thanks, Luke.

    $1899 (Avg Bid)
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    22 entries

    I am developing a project in Unity 2021 that requires the integration of Ultra Leap for gesture control. The main goal is to recognize and respond to simple gestures such as swiping and tapping. The ideal candidate for this project will have: - Strong experience with Unity, particularly in Unity 2021. - Proven experience in integrating Ultra Leap technology. - A good understanding of gesture control systems. - The ability to work with simple gestures. Please provide examples of your previous work in Unity, particularly those involving similar functionality. Your proposal should also indicate your experience with Ultra Leap integration. The project is time-sensitive so a quick turnaround time is highly desirable.

    $473 (Avg Bid)
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    I am in need of a skilled freelancer to develop a cloud-based document management system. This system will be used within my small team, which consists of less than 10 users. Key Features: - File Storage and Organization: The system needs to allow us to securely store and categorize our text documents. - Document Indexing and Search: It should have an efficient indexing system with a powerful search capability, so we can quickly find and access the necessary files. Ideal Skills and Experience: - Proficiency in cloud-based technologies - Experience in developing document management software - Familiarity with creating systems optimized for small teams Please let me know your relevant experience and how you plan to approach this project.

    $173 (Avg Bid)
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    39 bids
    Modify a code on C# 6 days left
    VERIFIED

    We have a program on C# written on Visual Studio. We want to modify the current program, which read bar codes on a warehouse, for other sections of the company. On this project we will like it to get information from different Oracle tables. Job is to use the original code that we provide and make modifications to adapt to our new requirements.

    $105 (Avg Bid)
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    I'm in need of an expert to assist with the following project. - My current POS system, an Ingenico, is frequently crashing and it's impacting the smooth operation of our sales process. - I need the POS system to be downloaded on my preferred Operating System, Windows - In addition, I need you to diagnose and resolve the frequent crashing issue The ideal candidate for this project should be experienced with POS systems, have a strong understanding of Windows OS, and the ability to troubleshoot and resolve system crashes.

    $20 / hr (Avg Bid)
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    22 bids

    I'm seeking an experienced developer who can integrate the TradingView API into a cross-platform mobile app. The app will essentially offer real-time market data and advanced charting features. Key Requirements: - Integration of TradingView API: The core focus of this project is to provide users with access to real-time market data and the ability to perform advanced technical analysis using TradingView's robust charting tools. - We will provide the datafeed with indicators required via web socket , the app will use this data and display a real time live chart on the app. You only need to do this chart on the app. No other funtions required. - Cross-Platform Development: You should have experience in developing cross-platform applications that run smoothly on both iOS and Andro...

    $537 (Avg Bid)
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    I'm seeking an experienced software developer to create an accounting application that is compatible with the Windows operating system. It's a high priority that this application seamlessly integrates with Zoho Books. Key Features: - Integration with Zoho Books Required Skills and Experience: - Software development - Familiarity with accounting software - Knowledge in developing Windows applications - Experience working with Zoho Books API would be a significant advantage Timeline: - The project needs to be completed within a month. This role is perfect for a problem solver who has an eye for detail and understands the importance of creating user-friendly applications. If you think this project aligns with your skills, I'd love to hear from you.

    $1160 (Avg Bid)
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    I am in need of a versatile developer who can build an integrated messaging system that ties together Facebook Messenger, Slack, and Instagram. The key features of this project include: - Ability to both manually and automatically respond to the received messages. - The automatic response should apply only to text messages. Desired Skills & Experience: - Extensive experience in API integration. - Deep understanding of Facebook Messenger, Instagram and Slack platforms. - Experience in designing systems that handle both automatic and manual responses to messages. - Familiarity with algorithms to effectively auto-reply text messages.

    $270 (Avg Bid)
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    i build the application game but it is not completed it is Solo and multiplayer application game we work together i gave you the idea of the game and project managing the game with you and you build and and pay to market the game the sharing profit will be 60% for you and 40% for me iam sure the game will succeed i will share with you the game idea in word document thank you

    $517 (Avg Bid)
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    I'm seeking a professional to provide advanced technical support for my desktop software that runs exclusively on Windows. Specifically, 2016 windows office and current outlook, not recognizing Recent emails, calendars, and inbox sub folders Key Responsibilities: - Offering prompt and effective solutions for any software-related issues that may arise - Conducting in-depth troubleshooting and analysis to identify the root cause of the problems - Ensuring that the software runs smoothly, and that any potential technical challenges are preemptively addressed - Providing clear and concise instructions for users on how to resolve common issues Ideal Candidate: - Proven experience in providing technical support for Windows software - Strong knowledge of how desktop applications work - Exc...

    $149 (Avg Bid)
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    --- ### Job Title: Excel Sheet Creation for Job Tracking and Payment Calculation **Description:** I need a custom Excel sheet to help me track jobs completed by my installers, including details about each job, such as dates, customer information, and payments. The sheet should be able to automatically calculate the total number of jobs done and the total payment owed to each installer. **Requirements:** 1. **Job Tracking:** - Columns for the date each job was completed. - Columns for the job details including customer address and account number. - Columns for the installer assigned to the job. 2. **Payment Calculation:** - Ability to input the payment rate per job. - Automatic calculation of the total number of jobs completed by each installer. - Automatic calculation...

    $23 (Avg Bid)
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    33 bids

    Im on a 64bit machine.. i want to bring back the resulks from HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionUninstall AND list the DISPLAYNAMES in a text file... BUT, this i can do, as it shows all results fine only in 64 part of the registry. I also need it to show results for 32 bit also. ive tried subsituing keys KEY_WOW64_32KEY to access the 32-bit view of the registr to access KEY_WOW64_64KEY but it doesnt show 32 results. So i need it to show both 32BIT AND 64BIT DISPLAYNAMES under HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionUninstall in a text file

    $28 (Avg Bid)
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    8 bids

    I have an urgent need for a Windows application to be developed. The primary goal of this application is to prevent any remote screen sharing while the application is active. Key Requirements: - The app should be compatible with Windows operating system only. - The app must block mirroring screen while active - The app must unblock mirroring screen when inactive (means all screensharing/remote desktop apps should work - like teamviewer, vnc etc) - I am ok if they are connected; but I DO NOT want screen to be seen by remote people until its active I need a freelancer who is well-versed in Windows application development and has strong understanding of the API, Powershell, firewall settings, services etc. Your previous experience in developing secure applications is highly desirable. ...

    $162 (Avg Bid)
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    Task 1: Write dynamic programming and recursive programs for a given problem obtained from 4 practical task selection test. • Implement a recursive program to solve the given problem. • Analyze time complexity of the recursive program (brute force) and dynamic programming approach using Big O and Omega notations. • Implement a dynamic programming approach by defining a table to store previously calculated values and using them to compute the next value in the sequence. Write recursive solution. • Test both programs for different input sizes and compare their performance. Task 2: Parallelize the algorithms for the second and third recursive equations obtained from the 1 practical selection test, and also parallelize second and third algorithms obtained from the 4 pra...

    $48 (Avg Bid)
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    I'm currently in need of an expert software developer to assist with maintaining and updating existing software initially on a hourly basis but i would consider full time as we build relations. This position requires someone proficient in Java, C#, HTML, CSS, and PHP (codeignitor). Key Responsibilities: - Maintaining and updating the existing software as required - Debugging and troubleshooting issues - Collaborating with other team members Ideal Skills: - Strong proficiency in Java, C#, and PHP - Previous experience in software maintenance and updating - Excellent problem-solving skills - Ability to work full-time and communicate effectively - Experience working in a team environment I'm looking for an individual who is reliable, skilled and able to commit to a full-time r...

    $26 / hr (Avg Bid)
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    I'm in need of a professional who has extensive experience with SharePoint, Power Apps, Power Automate, and secondary Power BI . I need support for my consultant indian time 8:30 pm to 11:30 pm Monday to Friday. 12$/hourly.. payment every saturday vai peayplea. I already have other indian guys who are working with me since 2019 to present. This support will be on zoom meeting. Which we will provide u and u will connect with my consultant for support.

    $12 / hr (Avg Bid)
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    I am seeking a skilled developer who can help me optimize my team's workflow and communication on Slack through the creation of automation bots. These bots should offer the following functionalities: - Message Scheduling: Automating message delivery at specific times. - File Sharing: Facilitating easy and organized file exchange between team members. - Task Assignment: Automating the delegation of tasks within the team. - Onboarding: Assisting with the onboarding process for new team members. I prefer the use of the Slack API to develop these bots. The ideal candidate should have a good understanding of this platform and be able to leverage its features effectively. User interaction with these bots should be seamless and intuitive. I envision the following methods: - Direct Messag...

    $309 (Avg Bid)
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    I'm in need of a web application that can facilitate construction management activities. This includes project scheduling, document management, budget tracking and the ability to track various construction activities. Key Features: - **Project Scheduling**: The application should allow me to create and manage schedules for construction projects. - **Document Management**: Essential for storing and organizing various documents related to different projects. - **Budget Tracking**: A feature that enables real-time monitoring and tracking of construction budgets. Construction Activities: - **Infrastructure**: A key aspect of this application is the ability to track various construction activities related to infrastructure development. The ideal freelancer for this project would have ...

    $2308 (Avg Bid)
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    I'm in need of a skilled software developer who can create a comprehensive school management software. This software should cater to our institution's needs and requirements. Key Features: - Attendance Tracking - Gradebook Management - Student Information System - Student Registration - Monthly Fee Ledger - Income & Expenses - Payroll - Punching System Linking to Software User Base: The software will be used by more than 500 students and staff members. It's crucial for the software to be scalable and able to accommodate a large number of users. Cross-Device Compatibility: The school management software should be accessible on both desktops and mobile devices. It's essential that users can access the software on the go from different devices. Ideal Skills: - Pro...

    $295 (Avg Bid)
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    I'm looking for an experienced Dot Net developer to help me with a bug in my project involving TXTextControl.ServerTextControl. The specific Dot Net component '' is encountering some issues. It's not functioning as expected and I'm looking for someone who can help with bug fixes. The key requirements are: - Experience with Dot Net and TXTextControl.ServerTextControl. - Strong debugging skills to identify the issue. - The ability to implement effective bug fixes.

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    I am looking for an experienced developer to create a school billing software with specific features. Key Features Needed: - Customizable invoice templates with a capacity to vary fields per class or grade. - Incorporation of custom branding elements into these invoice templates. Additional Requirements: - I would like to have WhatsApp notifications as a method of handling payment reminders. The ideal freelancer for this project would be one with prior experience in developing billing software, more specifically within a school context, and a strong understanding of WhatsApp API integration. Demonstrated experience in software that includes customizable templates and unique branding elements is a must. Your expertise in these areas should align with my project needs and enhance the sof...

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    Custom cBot Development 5 days left
    VERIFIED

    Your original Bid Quote price is considered final. - No discussions about increasing the price later. No cAlgo/ cTrader Bot experience? DO NOT BID! Anyone who quotes above budget will be disqualified immediately. Bid only if you are available to start work today. Must Read the attachment before bidding. You must submit your relevant work history as soon as you submit your bid not to disqualify. I'm looking for someone with demonstrable cAlgo experience ( Must share previous work samples and also show me live evidence on a video call to be considered eligible) to code my indicator-based simple bot within 5 days. Feel free to suggest if any of my requirements are difficult for your skill level and I can consider them. Those who don't reply to msgs for more than 15 min...

    $30 - $250
    Sealed
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    5 bids

    I am seeking a professional to develop a software that can efficiently extract and present the scripts used on a list of URLs provided. The software should be able to handle up to 1000 URLs at a time and run specifically on Windows. Key requirements include: - Extracting scripts: The software should be able to seamlessly access the provided URLs and list the scripts used on each page. - Bulk processing: The software should be capable of handling a significant amount of URLs, up to 1000 at once. - Windows compatibility: It is essential that the software is designed to run on Windows OS. Website Accessibility: - Restricted access: Websites that require restricted access or login should be identified and reported separately. The software should skip such pages and indicate them as inaccessi...

    $489 (Avg Bid)
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    I'm seeking a skilled C# programmer proficient in socket programming to assist with a specific task relating to establishing server connections, sending/receiving data packets, and handling socket errors. Additionally, I need help in creating a small WooCommerce database interface. The specific requirements: - Socket Programming: You will be responsible for establishing a server connection, sending and receiving data packets, and managing socket errors. - WooCommerce Database Interface: We will be integrating a small interface to manage product inventory. In this case, we are looking for basic integration - primarily focused on reading product data. The ideal candidate should have: - Proven experience in C# programming, particularly with a strong understanding of socket programmin...

    $500 (Avg Bid)
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    I am looking for a skilled Unity developer for a long-term collaboration. The ideal candidate should have extensive experience in Unity game development, including proficiency in C# and a strong understanding of game design principles. Responsibilities will include developing and maintaining game features and troubleshooting issues. This is a great opportunity for someone passionate about game development and eager to work on exciting projects.

    $12 / hr (Avg Bid)
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    fix browser extensions 5 days left
    VERIFIED

    It works only when open the Extensions Settings tab in browser need to fix it to work without opening the extension tab

    $31 (Avg Bid)
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    I need a browser extension to help me set up and disable proxies. - The extension must run with the proxy disabled on the first run.

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    To create bulk qr codes Each qr have a specific number To be verified by sms

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    we need an application to simulate the view of a person with vision impairment. so that a person with healthy eyesight can see the world as a disabled person sees the world. the application should work on oculus 3d glasses (version 3). the application works in AR mode. should distort the image the user sees. . We will prepare the transformation algorithm itself. we need someone who will prepare an application that distorts the image and will show us where in the source code we should define the algorithm.

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    Need to find a programmer who understands computer networks and knows c# or python programming

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    I'm looking for an experienced software developer who can design a robust and user-friendly Tatkal ticket booking system specifically for Windows. Key features should include: - Ticket Booking: The software primarily needs to focus on facilitating ticket booking. It should be linchpin of the operation, thus needs to function seamlessly, quickly, and without glitches. - Booking Confirmation: Once a ticket is booked, an immediate confirmation should be sent to the user. This will require integration with email or other notification systems. - Seat Availability Check: Crucially, the software should allow users to check seat availability in real-time. This feature is crucial for making instant decisions on bookings. Ideal skills and experience for the project include proficiency in Wi...

    $10 / hr (Avg Bid)
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    I need an AI website that shows daily stock picks, weekly stock picks and monthly stock picks but there must be limited number of picks and there must be a paid version that shows special picks. For example, AI picks 10 stocks daily but shows only 7 of them, does not show the best first 3 stocks to buy and users need to pay monthly fee to see first 3 stocks.

    $533 (Avg Bid)
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    I need a desktop application that can carefully monitor a MySQL database on my Windows system. The app should be able to perform the following functions: - **Monitoring MySQL Database**: The application should constantly monitor my MySQL database and detect when a new record is created. - **WYSIWYG Template Management**: There should be a feature that allows me to manage various WYSIWYG templates. These templates would be used to generate dynamic PDFs based on the new records in the database. - **PDF Generation**: Upon detecting a new record, the application should automatically generate a PDF based on a selected WYSIWYG template. Naming convention based on filed in processing record. Option Password added to pdf. I would like the application to be user-friendly and easy to navigat...

    $16 / hr (Avg Bid)
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    I am in need of a document management software that will be compatible with Windows& Mac. This software is intended for use by business professionals, so it should be user-friendly, efficient, and secure. Key Features: - The software should include a document scanning feature, making it easier for users to transfer physical documents into the digital realm. - It should also offer a filing system that is organized and intuitive, ensuring that users can easily locate and retrieve the documents they need. I require a freelancer who has experience in developing document management software, particularly for Windows. The software should be designed to handle a large volume of documents while maintaining high performance. A strong understanding of cybersecurity and access control is al...

    $585 (Avg Bid)
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    Anyone who quotes above budget will be disqualified immediately. Bid only if you are available to start work today. Must Read the attachment before bidding. You must submit your relevant work history as soon as you submit your bid not to disqualify. I'm looking for someone with demonstrable cAlgo experience ( Must share previous work samples and also show me live evidence on a video call to be considered eligible) to code my indicator-based simple bot within 5 days. Feel free to suggest if any of my requirements are difficult for your skill level and I can consider them. Those who don't reply to msgs for more than 15 minutes will not be eligible as they are not reliable to work with.

    $292 (Avg Bid)
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    15 bids

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